1004
A-1 Index SECTION A SPECIALTY PRODUCTS PRODUCT PAGE INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 SAFETY & WARNING REMINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-14 MTO SPECIALTY PRODUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 SPECIALTY PRODUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 IDLER SPROCKETS Bronze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 Ball . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 Chain Tightener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5 800 SERIES CONVEYOR SPROCKETS QRS SPLITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-6 815 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8, A-9 820 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-8, A-10 821 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 880 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 881 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 882 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12 815 Guide Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12 Semi-Finished Weld-On Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-13

Catalog 2001

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Index SECTION ASPECIALTY PRODUCTS

PRODUCT

PAGE

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 SAFETY & WARNING REMINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-14 MTO SPECIALTY PRODUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 SPECIALTY PRODUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 IDLER SPROCKETS Bronze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 Ball . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 Chain Tightener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5 800 SERIES CONVEYOR SPROCKETS QRS SPLITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-6 815 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8, A-9 820 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-8, A-10 821 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 880 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 881 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11 882 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12 815 Guide Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12 Semi-Finished Weld-On Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-13

A-1

Made To Order Specialty Products

SPLIT S820 SPROCKET

TAPER BUSHED ADJUSTABLE HUB

SPECIAL BEARING HOUSING

A-2

Specialty ProductsMartin Semi-Steel 800 Series Conveyor Sprockets are Available for All your Flat Top Chain Needs.

The Most Complete Line of Ball Bearing and Bronze Bushed Idler Sprockets.

A-3

Idler SprocketsBronze Bushed Type1

Bronze Bushed Idler SprocketsNo. Teeth Catalog Number Chain Size O.D. Stock Bore E5 Dim. Wt. Lbs.

1

2 112

20 15 15 14

31E20 41E15 51E15 61E14

35 41-40 50 60-60H

2.60 2.65 3.22 3.74

2 2 1 2 1 21 1

.59 .59 .72 .81

.46 .50 .70 .92

Above idlers have oil impregnated sintered bronze bearings; and are mounted on ground steel journals. Idler RPM to 2500. Radial loading to 50 pounds. 5 Dimension E In min. space for chain clearance.

E

1

2

Ball Bearing TypeW

Ball Bearing Idler Sprocket Hardened Teeth High SpeedNo. Teeth Catalog Number Chain Size O.D. B L W Wt. Lbs.

P.D. B O.D.

20 17 18 15 17 13 15 12

35BB20H 40BB17H 40BB18H 50BB15H 50BB17H 60BB13H 60BB15H 80BB12H

35 40 40 50 50 60 60 80

2.60 2.97 3.14 3.32 3.72 3.51 3.98 4.36

.638 .638 .638 .638 .638 .638 .638 .750

.72 .72 .72 .72 .72 .72 .72 .61

.168 .284 .284 .343 .343 .459 .459 .575

.38 .52 .53 .75 .78 .76 1.06 1.50

NOTE: 638 Dim. is + .005; 750 is +.005 .000 L

Radial Load Capacity in Lbs. at Various Speeds(Outer Race Rotating)35BB20 THRU 60BB13 80BB12 35BB20 THRU 60BB13 80BB12 35BB20 THRU 60BB13RPM 50 100 300 500 750 1000 1200

LOAD LOAD

650 1630

515 1290

357 895

300 755

265 665

240 600

225 565

RPM

1500

1800

2400

2600

3000

3600

4000

LOAD LOAD

208 523

195 493

179 447

173 434

155 415

156

151

RPM

4500

5000

LOAD

143

140

Ratings shown above are based on an average bearing life of 2500 hours.

A-4

Idler SprocketsDiameter Ground Hardened Steel Journal Oil-Impregnated Sintered Bronze Bushing

Chain Tightener(Less Idler Sprocket) NO. E-5006

118

538 6

11132 TYPICAL

7

8

5

Adapter for 8 Bore Idler

Attachment Bolts Not Furnished

Attachments Holes for 516 Bolts

Chain Tighteners are economical to use . . . they provide everything needed for a quick, easy installation . . . they save time and money . . . there is no need to design, procure or custom make and assemble separate parts . . . they accomodate mounting in several different positions . . . parallel or at 90 to the mounting surface . . . as cantilever or attached each end.

Martin

Features of Martin IdlersSmooth-running, oil-impregnated, sintered bronze, extra-duty bearing press-tted in sprocket. Steel journal case hardened . . . for maximum resistance to wear . . . diameter ground surface for free running under load. Steel sprockets used in power transmission use.

Martin

Idlers . . . are accurately machined (not stamped) the same as sprockets normally supplied for

A-5

800 Series Conveyor Sprockets

Martin Series 800 Conveyor SprocketsManufactured From High Quality Semi-SteelTHE NEW QRS SPLIT

815 Solid Face with Guide Ring Holes for Straight Running Chains

820 Grooved Face for Straight Running Chain

PAT. # 4,964,842

Split 815/820 Solid and Grooved Face with Guide Ring Holes Steel and Thermoplastic

821 Heavy Duty for Wide Hinged Chain Straight Running

880 and 882 Single Duty for Side Flex Chains

881 for Side Flex Chain

Sprockets for 815, 820, and 881 are all double duty. Sprockets with odd numbers of teeth are recommended for longer wear since a given tooth engages the chain every other revolution. Sprockets with 19, 21, 23, and 25 teeth are preferred. Sprockets with even number of teeth should be advanced one tooth periodically to attain even wear.

A-6

800 Series Split Conveyor Sprockets Introducing the

Martin QRS Split Sprocket

New Series 815/820 Split Sprockets for Flat Top Conveyor ChainsA New Concept in Split Sprockets Manufactured from Steel and Thermoplastic Material Stocked in 21, 23, 25, and 27 Tooth Sizes

the time consuming and costly dismounting of shafts and pillow blocks to remove worn sprockets all thats required is a wrenchQRS Split Thermoplastic Sprocket Advantages: Lightweight Service Temp. to 300F Low Temp. Toughness Excellent Resistance to Oils, Grease, Soaps, and Detergents Outstanding Abrasion and Impact Resistance Available with solid and grooved face and furnished with rust resistant plated steel bolts and nutsSplit (plated carbon steel and stainless) Guide Rings available, if necessary, for easy assembly

Martin s Quick Replacement Split Sprocket eliminates

Proudly made in the U.S.A.

PAT. # 4,964,842

Call your

Martin DistributorA-7

Split Steel and Thermoplastic Stock BoreSeries 815 Sprockets Split SteelCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximun Weight

11116

QRS815A21 QRS815A23 QRS815A25 QRS815A27

21 23 25 27

1012 1112 1212 1312

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20)

5.12 (130.0) 5.59 (142.0) 6.07 (154.2) 6.56 (166.6)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

112 (38.1) 112 (38.1) 112 (38.1) 112 (38.1)

5.0 (2.27) 5.6 (2.54) 6.6 (3.0) 7.8 (3.54)

O.D.

5 NOTE: Supplied with 516 - 18 standard setscrew @ 90 to split.

Solid Face

Series 815 Sprockets Split ThermoplasticCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

QRS815A21P QRS815A23P QRS815A25P QRS815A27P

21 23 25 27

1012 1112 1212 1312

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20)

5.12 (130.0) 5.59 (142.0) 6.07 (154.2) 6.56 (166.6)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

1 2 (38.1) 112 (38.1) 112 (38.1) 112 (38.1)1

.94 (.43) 1.00 (.45) 1.10 (.50) 1.25 (.57)

Thermoplastic temperature operating range 20F to +300F 5 NOTE: Supplied with 516 - 18 plated setscrew @ 90 to split.PAT. #4,964,842

Series 820 Sprockets Split SteelCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

QRS820A21 QRS820A23 QRS820A25 QRS820A27

21 23 25 27

1012 1112 1212 1312

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20)

5.12 (130.0) 5.59 (142.0) 6.07 (154.2) 6.56 (166.6)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

1 2 (38.1) 112 (38.1) 112 (38.1) 112 (38.1)1

5.0 (2.27) 5.6 (2.54) 6.6 (3.0) 7.8 (3.54)

5 NOTE: Supplied with 516 - 18 standard setscrew @ 90 to split.

Series 820 Sprockets Split ThermoplasticCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

11116

QRS820A21P QRS820A23P QRS820A25P QRS820A27P

21 23 25 27

1012 1112 1212 1312

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20)

5.12 (130.0) 5.59 (142.0) 6.07 (154.2) 6.56 (166.6)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

1 2 (38.1) 112 (38.1) 112 (38.1) 112 (38.1)1

.94 (.43) 1.00 (.45) 1.10 (.50) 1.25 (.57)

O.D.

5 NOTE: Supplied with 516 - 18 plated setscrew @ 90 to split. Inches/mm For Guide Ring Specications See page A-10

Grooved Face

A-8

800 Series Conveyor SprocketsSeries 821 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

821A21 821A23 821A25 821A27 821A29

21 23 25 27 29

10 2 1112 12 2 1312 14121

1

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20) 6.978 (177.24)

5.12 (130.1) 5.59 (142.0) 5.07 (154.2) 6.56 (166.6) 7.05 (179.1)

1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4)

134 (44.5) 134 (44.5) 134 (44.5) 134 (44.5) 134 (44.5)

6.7 (3.0) 7 (3.2) 7.3 (3.3) 7.6 (3.4) 8.0 (3.6)

318

NOTE: Inches/mm 821 Series also runs with 815 H chain.

158

O.D.

Series 880 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

880C9 880C10 880C11 880C12 880C15

9 10 11 12 15

9 10 11 12 15

4.386 (111.40) 4.854 (123.29) 5.324 (135.22) 5.796 (147.22) 7.215 (182.26)

4.33 (110.0) 4.82 (122.4) 5.31 (134.9) 5.80 (147.3) 7.26 (184.4)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

1 4 (44.5) 114 (31.8) 134 (44.5) 134 (44.5) 134 (44.5)3

2.8 (1.3) 3.2 (1.4) 3.4 (1.5) 3.6 (1.6) 4.2 (1.9)

158

NOTE: Block Body Other sizes are arm body Inches/mm

O.D.

5

8

Series 881 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

881C21 881C23 881C25 NOTE: Inches/mm

21 23 25

1012 1112 1212

5.089 (129.26) 5.560 (141.22) 6.032 (153.21)

5.120 (130.05) 5.590 (141.99) 6.070 (154.18)

4 (19.1) 3 4 (19.1) 3 4 (19.1)3

134 (44.5) 134 (44.5) 134 (44.5)

4.2 (1.9) 4.6 (2.1) 5.0 (2.3)

158 114

O.D.

A-9

800 Series Conveyor SprocketsSeries 820 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

820A13B 820A15B 820A17B 820A19 820A20 820A21 820A21B 820A22 820A23 820A24 820A25 820A25B 820A27 820A29 820A31 820A41

13 15 17 19 20 21 21 22 23 24 25 25 27 29 31 41

612 712 812 912 10 1012 1012 11 1112 12 1212 1212 1312 1412 1512 2012

3.228 (81.99) 3.688 (93.68) 4.153 (105.49) 4.620 (117.35) 4.854 (123.29) 5.089 (129.26) 5.089 (129.26) 5.324 (135.23) 5.560 (141.22) 5.796 (147.22) 6.032 (153.21) 6.032 (153.21) 6.504 (165.20) 6.978 (177.24) 7.452 (189.28) 9.826 (249.58)

3.11 (79.0) 3.63 (92.2) 4.12 (104.7) 4.61 (117.1) 4.86 (123.4) 5.12 (130.0) 5.12 (130.0) 5.35 (135.9) 5.59 (142.0) 5.83 (148.1) 6.07 (154.2) 6.07 (154.2) 6.56 (166.6) 7.05 (179.1) 7.53 (191.3) 9.93 (252.2)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

1 4 (31.8) 114 (31.8) 11116 (42.9) 114 (31.8) 114 (31.8) 134 (44.5) 212 (63.5) 134 (44.5) 134 (44.5) 134 (44.5) 2 (50.8) 3316 (81.0) 2 (50.8) 2 (50.8) 2 (50.8) 212 (64)1

2.4 (1.1) 3.6 (1.6) 4.7 (2.1) 3.1 (1.5) 3.8 (1.7) 4.6 (2.1) 7.1 (3.3) 4.2 (1.9) 5.3 (2.4) 4.4 (2.0) 5.6 (2.4) 9.6 (4.4) 6.5 (2.8) 6.8 (3.1) 6.9 (3.1) 16.00 (7.1)

11116

O.D.

Steel

NOTE: Block Body Other sizes are arm body Inches/mm Max. bore shown is with Standard Keyway and Setscrew. 820 Series stocked grooved (guide ring holes in 21, 23, 25, and 27 tooth sizes can be provided upon request).

11116

Series 820 Sprockets Semi-Steel Bored to SizeCatalog Number Inch/Metric Stock Finished Bores With Standard Keyway and Setscrew

820BS19 820BS21 820BS23 820BS25 820BS27

7

8 (22.2)

1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4)

O.D. 118 (28.6) 1316 (30.2) 1316 (30.2) 114 (31.8) 114 (31.8)

Stock grooved without guide ring holes. All arm body.

Cast

A-10

800 Series Conveyor SprocketsSeries 821 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

821A21 821A23 821A25 821A27 821A29

21 23 25 27 29

1012 1112 1212 13 2 14121

5.089 (129.26) 5.560 (141.22) 6.032 (153.21) 6.504 (165.20) 6.978 (177.24)

5.12 (130.1) 5.59 (142.0) 5.07 (154.2) 6.56 (166.6) 7.05 (179.1)

1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4) 1 (25.4)

1 4 (44.5) 134 (44.5) 134 (44.5) 134 (44.5) 134 (44.5)3

6.7 (3.0) 7 (3.2) 7.3 (3.3) 7.6 (3.4) 8.0 (3.6) 158

318

NOTE: Inches/MM 821 Series also runs with 815 H chain.

O.D.

Series 880 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

880C9 880C10 880C11 880C12 880C15

9 10 11 12 15

9 10 11 12 15

4.386 (111.40) 4.854 (123.29) 5.324 (135.22) 5.796 (147.22) 7.215 (182.26)

4.33 (110.0) 4.82 (122.4) 5.31 (134.9) 5.80 (147.3) 7.26 (184.4)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

134 (44.5) 114 (31.8) 134 (44.5) 134 (44.5) 134 (44.5)

2.8 (1.3) 3.2 (1.4) 3.4 (1.5) 3.6 (1.6) 4.2 (1.9)

158

NOTE: Block Body Other sizes are arm body Inches/MM O.D.

5

8

Series 881 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

881C21 881C23 881C25 NOTE: Inches/MM

21 23 25

1012 1112 1212

5.089 (129.26) 5.560 (141.22) 6.032 (153.21)

5.120 (130.05) 5.590 (141.99) 6.070 (154.18)

4 (19.1) 3 4 (19.1) 3 4 (19.1)3

134 (44.5) 134 (44.5) 134 (44.5)

4.2 (1.9) 4.6 (2.1) 5.0 (2.3) 158 114

O.D.

A-11

Series 800 Conveyor Sprockets

Series 882 Sprockets Semi-Steel Stock BoreCatalog Number No. Teeth Actual Effective Pitch Diameter Outside Diameter Bore Stock Maximum Weight

882C9 882C10 882C11 882C12

9 10 11 12

9 10 11 12

4.386 (111.40) 4.854 (123.29) 5.325 (135.25) 5.796 (147.21)

4.430 (112.5) 4.920 (125.0) 5.410 (137.40) 5.90 (149.90)

4 (19.1) 3 4 (19.1) 3 4 (19.1) 3 4 (19.1)3

134 (44.5) 134 (44.5) 134 (44.5) 134 (44.5)

3.8 (1.8) 4.2 (1.9) 4.4 (2.1) 4.6 (2.2)

NOTE: Arm Body Other sizes are block body Inches/mm

158

D.E.

5

8

815 Guide Rings Steel and Stainless SteelCatalog Number5 O.D. Inches (mm) Thick Inches (mm)1 16 (1.6) 1 16 (1.6) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2) 1 8 (3.2)

Weight Per Set

GR15-16 GR15-16SS GR17-18 GR17-18SS GR19-20 GR19-20SS GR21-22 GR21-22SS GR23-24 GR23-24SS GR25-26 GR25-26SS GR27-28 GR27-28SS GR29-30 GR29-30SS GR31-32 GR31-32SS GR41-42 GR41-42SS 5 Carbon Steel Stainless Steel

3.62 (91.9) 4.11 (104.4) 4.58 (116.3) 5.09 (129.3) 5.56 (141.2) 6.04 (153.4) 6.53 (165.9) 7.02 (178.3) 7.50 (190.5) 9.89 (251.2)

.23 (.10) .26 (.120) .37 (.17) .44 (.20) .46 (.21) .47 (.21) .53 (.24) .56 (.25) .67 (.30) .92 (.42)

A-12

Semi-Finished Weld-On HubsStock Semi-Finished Weld-On HubsDimensions Catalog No. Outside Diameter Length Inside Diameter Approx. Wt. Lbs. Catalog No. Outside Diameter Dimensions Length Inside Diameter Approx. Wt. Lbs.

225-28-19 225-28-23 225-32-00 250-30-00 250-40-00 300-25-19 300-30-23 300-30-30 300-32-00 300-38-00 300-40-30 325-25-19 325-30-23 350-30-00 350-34-00 350-38-00 356-28-23 356-28-30 356-31-23 375-30-00 375-30-30 375-45-30 400-26-00 400-26-23 400-26-30 400-31-30 400-32-23 400-36-00 400-48-30 425-26-00 425-26-30 425-30-30 425-38-30 425-42-40 425-45-30 425-50-40 450-34-00 450-36-40 450-44-40 450-48-48 475-22-30 475-30-30 475-36-00 475-44-48 475-48-38 475-48-40 475-50-00 475-54-00 500-42-40 500-50-00 500-58-40 525-24-32 525-34-00 525-36-40 525-42-00 525-48-40 525-62-32 525-72-32 550-34-00 550-44-48 550-48-48 550-58-40 550-64-48

2 4 214 214 212 212 3 3 3 3 3 3 314 314 312 312 312 3916 3916 3916 334 334 334 4 4 4 4 4 4 4 414 414 414 414 414 414 414 412 412 412 412 434 434 434 434 434 434 434 434 5 5 5 514 514 514 514 514 514 514 512 512 512 512 5121

8 8 1 15 16 114 25 32 15 16 15 16 1 3 1 16 114 25 32 15 16 15 16 1116 3 1 16 7 8 7 8 31 32 15 16 15 16 13 1 32 13 16 13 16 13 16 31 32 1 118 112 13 16 13 16 15 16 3 1 16 5 1 16 11332 1916 1116 118 138 112 11 16 15 16 118 138 112 112 1916 11116 1516 1916 11316 3 4 1116 118 1516 112 11516 214 1116 138 112 11316 27 7

32 32 19 32 23 32 15 16 15 16 19 32 23 32 23 32 15 16 23 32 15 16 15 16 23 32 15 16 15 16 23 32 15 16 15 16 15 16 15 16 114 15 16 114 114 114 112 15 16 15 16 112 1316 114 114 114 1 114 114 1 1 112 112 114 11219 23

.9 .9 1.1 1.3 1.7 1.2 1.6 1.6 2.0 2.4 2.3 1.8 2.1 2.6 2.9 3.2 2.4 2.3 2.6 2.9 2.8 4.1 2.9 2.8 2.7 3.3 3.5 3.5 5.1 3.3 3.1 3.6 4.5 4.8 5.4 5.7 4.8 4.7 5.7 6.0 3.3 4.5 5.7 6.2 7.0 7.0 7.8 8.5 6.8 8.7 9.5 4.4 6.5 6.5 8.1 8.7 11.5 13.3 7.2 8.6 9.3 11.6 12.5

575-24-32 575-32-00 575-42-00 575-52-00 575-72-32 600-41-48 600-46-48 600-52-48 600-58-48 600-62-00 600-68-48 600-80-48 625-24-32 625-28-48 625-32-40 625-38-48 625-48-48 625-52-48 625-68-48 625-80-32 650-44-00 650-52-48 650-72-48 650-96-48 675-36-40 675-38-48 675-44-48 675-72-48 675-94-40 700-44-48 700-52-48 700-61-48 700-68-48 700-112-48 725-36-40 725-94-40 750-24-48 750-44-48 750-50-48 750-58-48 750-66-48 750-68-48 750-70-48 750-74-48 750-84-48 800-54-48 800-62-48 800-72-48 800-78-48 800-112-48 850-50-48 850-72-48 850-84-48 900-60-48 900-72-48 900-112-48 950-66-48 950-80-48 950-88-48 950-96-48 100-80-48 100-100-48 100-116-48 100-124-48 110-128-48

5 4 534 534 534 534 6 6 6 6 6 6 6 614 614 614 614 614 614 614 614 612 612 612 612 634 634 634 634 634 7 7 7 7 7 714 714 712 712 712 712 712 712 712 712 712 8 8 8 8 8 812 812 812 9 9 9 912 912 912 912 10 10 10 10 113

4 1 5 1 16 158 214 1932 1716 158 11316 11516 218 212 3 4 7 8 1 3 1 16 112 158 218 212 138 158 214 3 118 1316 138 214 21516 138 158 12932 218 312 118 21516 3 4 138 1916 11316 2116 218 2316 2516 258 11116 11516 214 2716 312 1916 214 258 178 214 312 2116 212 234 3 212 318 358 378 43

1 1 112 112 112 112 112 112 1 112 114 112 112 112 112 1 112 112 112 114 112 112 112 114 112 112 112 112 112 114 114 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112 112

5.4 7.4 9.7 12.0 16.1 9.6 10.8 12.2 13.6 15.5 16.0 18.8 6.4 7.2 8.3 9.7 12.3 13.3 17.4 21.1 12.9 14.5 20.0 26.7 11.0 11.4 13.3 21.7 28.3 14.3 16.9 19.8 22.1 36.4 12.8 33.3 9.0 16.5 18.8 21.8 24.8 25.5 26.3 18.5 31.5 23.2 26.6 30.9 33.5 48.1 24.3 35.0 40.8 32.9 39.4 61.3 40.4 49.0 53.9 58.7 54.4 68.0 78.8 84.3 105.7

LENGTH

OUTSIDE DIAMETER INSIDE DIAMETER

A-13

Safety

SafetySafety must be considered a basic factor in machinery operation at all times. Most accidents are the results of carelessness or negligence. All rotating power transmission products are potentially dangerous and must be guarded by the contractor, installer, purchaser, owner, and user as required by applicable laws, regulations, standards, and good safety practice. Additional specific information must be obtained from other sources including the latest editions of American Society of Mechanical Engineers; Standard A.N.S.I B15.1 It is the responsibility of the contractor, installer, purchaser, owner, and user to install, maintain, and operate the parts or components manufactured and supplied by Martin Sprocket & Gear, Inc., in such a manner as to comply with the Williams-Steiger Occupational Safety Act and with all state and local laws, ordinances, regulations, and the American National Standard Institute Safety Code.

WarningGuards, access doors, and covers must be securely fastened before operating any equipment. If parts are to be inspected, cleaned, observed, or general maintenance performed, the motor driving the part or components is to be locked out electrically in such a manner that it cannot be started by anyone, however remote from the area. Failure to follow these instructions may result in personal injury or property damage.

A-14

Notes

A-15

Notes

A-16

Index SECTION BINTERCHANGEABLE BUSHINGS

PRODUCT

PAGE

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 BUSHING TYPES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2, B-3 QD Installation/Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4, B-5 Steel Bushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6 Standard Bushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-7 Weld-On Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8 TAPER BUSHING Installation/Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9 1008 3030 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-10 3535 5050 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11 6050 120100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-12 Weld-On Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-13 Reborable Bushings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-14 QD Idler Bushings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-15

B-1

Interchangeable Bushings MartinS QD BUSHING LINE NOT ONLY INCLUDESA COMPLETE RANGE OF SEMI-STEEL

QD BUSHING (Inch)

QD BUSHING (mm)

QD BUSHING (Steel)

WELD-ON HUB TYPE QD TYPE 1

WELD-ON HUB TYPE QD TYPE 2

B-2

Interchangeable Bushings MartinHAS THE MOST COMPLETE LINE OF TAPER

BUSHINGS IN THE INDUSTRY, INCLUDING

TAPER BUSHING (Inch-Bore)

TAPER BUSHING (mm-Bore)

TAPER BUSHING (Steel)

TAPER BUSHING (Stainless Steel)

WELD-ON HUB TAPED BUSHED TYPE WA

WELD-ON HUB TAPED BUSHED TYPE S

B-3

Stock QD BushingsThe Martin Quick Detachable bushings are easy to install and remove. They are split through flange and taper to provide a true clamp on the shaft that is the equivalent of a shrink fit. All sizes except JA and H have a set screw over the key to help maintain the bushings position on the shaft until the cap screws are securely tightened.

Removal1. Loosen and remove cap screws. 2. Insert cap screws in tapped removal holes. 3. Tighten inserted screws until sprocket is loose on shaft. 4. Remove sprocket from shaft.

Installation1. Be sure the tapered cone surfaces of the bushing and the inside of sprocket are clean.5 2. Place bushing in sprocket, sheave, pulley, or other Martin QD parts. On M through S bushings, the mating part and bushing MUST be assembled so the two threaded holes in the mating part are located as far as possible from the sawcut in the bushing. 3. Place cap screws and lock washers loosely in pull-up holes. Bushing remains fully expanded to assure sliding t on shaft. 4. With key on shaft, slide sprocket to desired position on shaft. Be sure heads of capscrews are on outside. 5. Align sprocket. Tighten screws alternately and progressively until they are pulled up tight. To increase leverage, use wrench or length of pipe (see wrench torque chart on pg. B-5). Do not allow sprocket to be drawn in contact with ange of bushing; there should be a gap of 18 to 14 inch.

STANDARD

REVERSE

CAUTION: When mounting screws, apply pressure by hand only. If extreme tightening forces are applied, bursting pressures will be created in the sprocket hub. There should be a gap of 18 to 14 between the face of the sprocket hub and the flange of the QD bushing. This gap must not be closed. If the gap is closed under normal tightening, the shaft is seriously undersized.

5 WARNING : USE OF ANTI-SEIZE LUBRICANT ON

TAPERED CONE SURFACES MAY RESULT IN DAMAGE TO SHEAVES AND SPROCKETS.

B-4

Stock QD BushingsREVERSE Mounting Assembly for QD Sheaves and Sprockets using JA, SH, SD, SDS, SK, SF, E, F, & J BushingsThese bushings, as well as the sprockets and sheaves for them, are each drilled with six holes (three drilled and three tapped) to allow pull-up bolts to be inserted from either side. This enables variations of mounting characteristics to suit a particular installation.

STANDARD MOUNTING

REVERSE MOUNTING

MOUNTING1. Assemble sheave or sprocket with bolts inserted (But not tightened) through DRILLED holes in bushing ange into TAPPED holes in sheave or sprocket. 2. With key in shaft keyseat, slide assembly into approximate position on shaft with ange end of bushing away from bearing. 3. Position QD bushing on shaft by tightening set screw over key hand tight with standard Allen wrench only. Do not use excessive force. 4. Tighten pull-up bolts alternately and evenly to tighteness indicated in torque table below. Do not use extensions on wrench handles. There should be a gap between the face of the sheave or sprocket hub and the ange of the QD Bushing to insure a satisfactory cone grip and press t. CAUTION: THIS GAP MUST NOT BE CLOSED.

DISMOUNTING1. Remove pull-up bolts and screw them into TAPPED holes in bushing ange and against hub of sheave or sprocket to break cone grip. 2. Loosen set screw in bushing ange and slide QD bushing from shaft.

Bushing Installation TorqueWhen a wrench or length of pipe is used to increase leverage in tightening bushing screws, it is imperative to adhere to the wrench torque values given in the chart below. This adherence is important because, in mounting the bushing, the tightening force of the screw is multiplied many times by the wedging action of the tapered surface. This action compresses the bushing for a snug t on the shaft. The bushing screws should always be tightened alternately and progressively.

Wrench Torque Values For Tightening BushingsQD Bushing Size Size of Cap Screw In. Lbs. to Apply With Torque Wrench Proper Wrench Pull With Open End or Socket Wrench Wrench Length Wrench Pull in Lbs.

CAUTIONA. Be sure cone surfaces are free of paint, grease and dirt. B. Tighten pull-up bolts alternately and evenly per bolt torque table. C. Never close gap between sheave or sprocket and ange of QD Bushing. WARNING: use of Anti-seize lubricant on tapered cone surfaces when mounting sheaves voids all mfg. warranties. See A, B, C on drawings.

JA SH, SDS, SD SK SF E F J M N P W

10 24 1/4 20 5/16 18 3/8 16 1/2 13 9/16 12 5/8 11 3/4 10 7/8 9 18 1-1/8 7

60 108 180 360 720 900 1620 2700 3600 5400 7200

4 4 6 6 12 12 12 15 15 18 24

15 27 30 60 60 75 135 180 240 300 300

B-5

All Steel QD Bushings5F = Length of Mating Bore 55G = Gap Between QD Bushing and Mating Hub

Bushings JA to J Inclusive

Bushings M to S Inclusive

QD Bushings SteelDimensions (Inches) Bushing A B D E F G1

L

Cap Bolt Circle

Screws Required

Stock Bore Range Maximum Standard Shallow Minimum Keyway Keyway

Average Weight (Approx.)

SF-STL E-STL F-STL J-STL M-STL N-STL

16 4 13 16 1 114 1129 3

3.125 3.834 4.437 5.148 6.500 7.000

458 6 658 714 9 10

112 178 21316 312 512 658

114 158 212 3316 5316 614

88

1 3

16 16 3 16 8 183

2116 258 358 412 634 818

378 5 558 614 778 812

338 x 2 312 x 234 3916 x 358 358 x 412 434 x 634 478 x 812

2 8 1 1716 2 2121 7

2516 278 3516 334 434 518

21316 312 4 412 512 578

3.0 10.0 11.5 18.0 37.0 57.0

Bushing

Bores

Keyway

SF-STL

E-STL

F-STL

J-STL M-STL

N-STL

238 - 2916 258 - 234 21316 - 278 21516 7 8 - 278 21516 - 314 3516 - 312 1 - 3516 338 - 334 378 - 31516 4 3716 - 334 31316 - 412 2 - 434 41316 - 512 5916 - 578 212 - 518 5316 - 512 5916 - 578

8 x 316 5 8 x 116 3 4 x 116 3 4 x 132 STD. 3 4 x 18 7 8 x 116 STD. 7 8 x 316 1 x 18 NONE STD. 1 x 18 STD. 114 x 14 112 x 14 STD. 114 x 14 112 x 145

Key Seat

Shallow Key Dimension Standard Key Keyway

Key

Bores7

Standard Keyway and Key Dimension Keyway

Key

4 x 132 1 4 x 116 3 8 x 132 3 8 x 116 3 8 x 18 1 2 x 132 1 2 x 116 1 2 x 18 5 8 x 116 3 4 x 1161

4 x 532 1 4 x 316 3 8 x 732 3 8 x 14 3 8 x 516 1 2 x 932 1 2 x 516 1 2 x 38 5 8 x 38 3 4 x 7161

4 x 18 7 8 x 116 7 8 x 316 1 x 18 114 x 14 112 x 18 112 x 14 134 x 18 134 x 14 2 x 143

4 x 12 7 8 x 12 7 8 x 58 1 x 58 114 x 78 112 x 78 112 x 1 134 x 34 134 x 78 2x13

Key Seat

Shallow Key Dimension Steel Key Keyway

8 15 16 - 114 1516 - 138 1716 - 134 1316 - 214 2516 - 234 21316 - 314 3516 - 334 31316 - 412 4916 - 512 5916 - 612 6916 - 712 7916 - 9 9116 - 11 11116 - 13

16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 1 x 12 114 x 58 112 x 34 134 x 34 2 x 34 212 x 78 3x13

16 x 316 1 4 x 14 5 16 x 516 3 8 x 38 1 2 x 12 5 8 x 58 3 4 x 34 7 8 x 78 1x1 114 x 114 112 x 112 134 x 112 212 x 112 3

Key

Bushing

Plain Bores Not Split

SH-STL SD-STL SK-STL SF-STL E-STL F-STL J-STL M-STL N-STL

2 2 1 2 11516 7 8 - 11516 1 - 2716 - 21516 1716 - 21516 2 - 21516 2716 - 415161 1

4 x 132 1 4 x 116 3 8 x 132 3 8 x 116 3 8 x 18 1 2 x 132 1 2 x 116 1 2 x 18 5 8 x 116 5 8 x 3161

4 x 532 1 4 x 316 3 8 x 732 3 8 x 14 3 8 x 516 1 2 x 332 1 2 x 516 1 2 x 38 5 8 x 38 5 8 x 121

4 x 116 3 4 x 18 7 8 x 116 7 8 x 316 1 x 18 114 x 14 112 x 14 134 x 18 134 x 38 2 x 143

4 x 716 3 4 x 12 7 8 x 12 7 8 x 58 1 x 58 114 x 78 112 x 1 134 x 34 134 x 1 2x13

QD bushings made of stainless steel are available as made to order.

B-6

Standard QD BushingsDimensions (Inches) Bushing A B D E F G L Bolt Circle Cap Screws Required Stock Bore Range Maximum Standard Shallow Minimum Keyway Keyway Set Screw Size1 4 10-24 1 4 1 4 1 4 5 16 5 16 3 8 1 2 5 8 3 4 3 4 7 8 1 114

Average Weight (Approx.)

H JA SH SDS SD SK SF E F J M N P W S

16 8 7 16 1 2 1 2 9 16 9 16 3 4 13 16 1 114 112 134 2 3145 3

1.625 1.375 1.871 2.187 2.187 2.812 3.125 3.834 4.437 5.148 6.500 7.000 8.250 10.437 12.125

212 2 21116 3316 3316 378 458 6 658 714 9 10 1134 15 1734

1 16 7 8 7 8 1516 138 112 178 21316 312 512 658 758 938 121211

8 16 13 16 3 4 114 114 114 158 212 3316 5316 614 714 9 127 9

8 8 3 16 3 16 3 16 3 16 1 4 5 16 3 8 3 8 3 8 7 16 1 2 1 2 1 21 1

114 1116 1516 138 11316 11516 2116 258 358 412 634 818 938 1138 1534

2 1.665 214 21116 21116 3516 378 5 558 614 778 812 10 1234 15

2-14 x 34 3-10 x 1 3-14 x 138 3-14 x 138 3-14 x 178 3-516 x 2 3-38 x 2 3-12 x 234 3-916 x 358 3-58 x 412 4-34 x 634 4-78 x 812 4-1 x 912 4-118 x 1112 5-114 x 1512

2 8 1 2 1 2 1 2 1 2 1 2 7 8 1 1716 11516 2716 21516 4 61 3

114 1 138 11116 11116 218 2516 278 3516 334 434 518 51516 712 814

112 114 11116 2 11516 212 21316 312 31516 412 512 6 7 812 10

.7 .9 1 1 1.5 2 3 10 11.5 18 37 57 120 250 400

Inch BoreBushing Bores Keyway

Millimeter Bore8 - 716 1 2 - 1 1118 - 118 1316 114 1 2 - 138 1716 - 112 1916 - 158 11116 1 2 - 11116 134 11316 178 - 11516 2 1 2 - 11116 134 11316 178 11516 2 1 2 - 218 2316 - 214 2516 - 212 2916 - 258 1 2 - 214 2516 - 212 2916 - 234 21316 - 278 21516 7 8 - 278 21516 - 314 338 - 312 1 - 3516 338 - 334 378 - 31516 4 114 - 334 31316 - 412 2 - 434 41316 - 512 2716 - 5 518 - 512 5916 - 6 21516 - 51516 6 - 612 6916 - 7 4 - 712 7916 - 8123

JA

SH

SDS

SD

SK

SF

E

F J M N

P W

NO K.W. STD. 1 4 - 116 1 4 - 116 NO K.W. STD 3 8 x 116 3 8 - 116 NO K.W. STD. 3 8 x 18 1 2 x 18 1 2 x 116 NO K.W. STD. 3 8 x 18 1 2 x 18 1 2 x 116 1 2 x 116 NO K.W. STD. 1 2 x 18 5 8 x 116 NO K.W. STD. 5 8 x 316 5 8 x 116 3 4 x 116 3 4 x 132 STD. 3 4 x 18 7 8 x 116 STD. 7 8 x 316 1 x 18 NONE STD. 1 x 18 STD. 114 x 14 STD. 114 x 14 112 x 14 STD. 112 x 14 134 x 18 STD. 2 x 14

Bushing

Bore MM

Key5 WXT

SH

SDS

SD

SK

5Important The metric system does not refer to keyseat or keyway dimensions as does the English system; instead dimensions are given for the key itself which is rectangular in shape, not square as in the English system. NOTE: .03937=1mm Ex24 mm = 0.94488 TO ORDER: SH 24 mm

SF

E

F

J

24, 25 28, 30 32, 35 24, 25 28, 30 32, 35 38 40, 42 24, 25 28, 30 32, 35 38 40, 42 24, 25 28, 30 32, 35 38 40, 42 48, 50 55 28, 30 32, 35 38 40, 42 48, 50 55 60 35, 38 40, 42 48, 50 55 60, 65 70, 75 48, 50 55 60, 65 70, 75 80, 85 90 50 55 60, 65 70, 75 80, 85 90, 95 100

8x7 10x8 8x7 10x8 12x8 8x7 10x8 12x8 8x7 10x8 12x8 14x9 16x10 8x7 10x8 12x8 14x9 16x10 18x11 10x8 12x8 14x9 16x10 18x11 20x12 14x9 16x10 18x11 20x12 22x14 25x14 14x9 16x10 18x11 20x12 22x14 25x14 28x16

Keystock provided for nonstandard keyways.

B-7

QD Weld-On HubsL 45 75

D

B 45 BC

WELD-ON HUB TYPE QD TYPE 1

WELD-ON HUB TYPE QD TYPE 2L1 L

TYPE 1

35

55

Martin

QD weld-on hubs are suitable for use in many applications, such as welding to plate steel sprockets.P BC B D 90

Weld-on hubs are made of steel, drill tapped and taper bored for QD bushings

TYPE 2

QD Type 1 and Type 2 Weld-On HubsCatalog Number D5 L Dimensions Inches B P L1 BC Type Drilling Weight Pounds Mounting

JA-A SH-A SDS-A SK-A SF-A E-A F-A J-A M-A N-A P-A W-A S-A

2.250 3.000 3.500 4.375 5.000 6.250 7.000 7.750 9.500 10.500 13.000 15.500 19.500

16 13 16 3 4 114 114 158 212 3316 5316 614 714 9 129

1.375 1.871 2.188 2.813 3.125 3.832 4.437 5.140 6.494 6.990 8.240 10.437 12.125

9.250 10.250 18.75

3916 412 7.5

12132 214 21116 3516 378 5 558 614 778 812 10 1234 15

1 1 1 1 1 1 1 1 2 2 2 2 2

.4 1 114 3 4 9 16 22.5 50 75 155 300 558

STD or Reverse Mount

STD Mount Only

5Tolerance of D Dimension JA-A Thru J-A = (+.000-.002) M-A Thru S-A = (+.000-.003)

B-8

Taper BushingsIMPORTANT: Follow all instructions in this manual carefully. This is necessary to insure satisfactory performance.

1008 to 3030

3535 to 6050

7060 to 10085

120100

To Install:1. Clean shaft, bore, and outside of bushing, and bore of hub (taking bushing from hub if already assembled). Remove any oil, lacquer, or dirt. Place bushing in hub and match half holes to make complete holes (each complete hole will be threaded on one side only). 2. Oil thread and point of set screws or thread and under head of cap screws. Place screws loosely in holes that are threaded on hub side (shown thus in diagram). 3. Make sure bushing is free in hub. Slip assembly onto shaft and locate in position desired. 4.Tighten screws (see note5) alternately and evenly until all are pulled up very tightly. Use a piece of pipe on wrench to increase leverage. (See table for wrench torque on reverse side.) 5. Hammer against large end of bushing using hammer and block or sleeve to avoid damage. Screws can now be turned a little more using the specified wrench torque. Repeat this alternate hammering and screw re-tightening until the specied wrench torque no longer turns the screws after hammering. Fill other holes with grease to exclude dirt.FOR INSTALLATION

FOR REMOVAL ONLY

Recommended Wrench TorqueBushing Number Screws Wrench Torquev (Pounds-Inches)

vWhen torque wrench is not available, it is possible to approximate these values by using an ordinary wrench and piece of pipe on wrench. For example, to obtain 1000 poundinches wrench torque, pull 100 pounds at 10 distance from center of pull to center of screw, or pull 50 pounds at 20 distance.

1008 1210 1610 2012 2517 3020, 3030 3535 4040 4545 5050 6050, 7060, 8065 10085, 120100

4 SET SCREWS 8 SET SCREWS 3 8 SET SCREWS 7 16 SET SCREWS 1 2 SET SCREWS 5 8 SET SCREWS 1 2 CAP SCREWS 5 8 CAP SCREWS 3 4 CAP SCREWS 7 8 CAP SCREWS 114 CAP SCREWS 112 CAP SCREWS1 3

55 175 175 280 430 800 1,000 1,700 2,450 3,100 7,820 13,700

To Remove:1. Remove all screws. Oil thread and point of set screws or thread and under head of cap screws. 2. Insert screws in holds that are threaded on bushing side (shown thus in diagram). In sizes where washers are found under screw heads, be sure to use these washers. Note that one screw in each hub is left over and is not used in this loosening operation. 3. Tighten screws alternately until bushing is loosened in hub. If bushing does not loosen immediately, tap on hub.

When ordering Bushings give: Number stamped on large end of bushing, bore, and quantity. 5If two bushings are used in the same sheave, pulley, or other unit member, tighten one bushing on shaft per steps 4 and 5 before starting to tighten screws in other bushing.

B-9

Taper Bushings DimensionsNo. 1008 to 3030 Taper BushingsBushing Number1

Bore

Wt.

Bushing Keyseat

Shaft Keyseat

1008

1108

1210

1215

1310

1610

1615

2012

2517

2525

3020

3030

2 to 16 8 to 78 15 16 to 1 1 2 to 916 5 8 to 78 15 16 to 1 1116 to 118 1 2 to 916 5 8 to 78 15 16 to 114 1 2 to 916 5 8 to 78 15 16 to 114 1 2 to 916 5 8 to 78 15 16 to 114 1516 to 138 1 2 to 916 5 8 to 78 15 16 to 114 1516 to 138 1716 to 112 1916 to 158 1 2 to 916 5 8 to 78 15 16 to 114 1516 to 138 1716 to 112 1916 to 158 1 2 to 916 5 8 to 78 15 16 to 114 1516 to 138 1716 to 134 11316 to 178 11516 to 2 1 2 to 916 5 8 to 78 15 16 to 114 1516 to 138 1716 to 134 11316 to 214 2516 to 212 3 4 to 78 15 16 to 114 1516 to 138 1716 to 134 11316 to 214 2516 to 212 15 16 to 114 1516 to 138 1716 to 134 11316 to 214 2516 to 234 21316 to 3 15 16 to 114 1516 to 138 1716 to 134 11316 to 214 2516 to 234 21316 to 39 5

.27 .21 .16 .33 .27 .22 .17 .61 .55 .49 .8 .7 .6 .7 .7 .6 .6 .9 .8 .7 .7 .6 .5 1.2 1.1 1.0 .8 .7 .6 1.7 1.6 1.5 1.4 1.2 1.0 1.0 3.5 3.4 3.3 3.2 3.0 2.4 1.9 4.9 4.7 4.5 4.2 3.3 2.5 6.5 6.3 6.0 5.3 4.5 3.9 9.2 8.9 8.6 7.6 6.2 5.0

8 x 16 16 x 332 1 4 x 116 1 8 x 116 3 16 x 332 1 4 x 18 1 4 x 116 1 8 x 116 3 16 x 332 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 1 8 x 116 3 16 332 1 4 x 18 5 16 x 532 3 8 x 316 3 8 x 18 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 3 8 x 18 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 1 2 x 316 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 316 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 316 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 14 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 14 1 1 3

8 x 116 16 x 332 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 1 8 x 116 3 16 332 1 4 x 18 5 16 x 532 3 8 x 316 3 8 x 316 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 3 8 x 316 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 1 2 x 14 1 8 x 116 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 16 x 332 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 1 4 x 18 5 16 x 532 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 381 3

DimensionsBushing Number A B Class 20 Gray Iron C Class 30 Gray Iron Steel D F L5 Standard Hex. Short Key Key M55 Standard Hex. Short Key Key

1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030

1.386 1.511 178 178 2 214 214 234 338 338 414 414

8 8 1 112 1 1 112 114 134 212 2 37 7

238 212 358 318 334 4 312 434 512 434 7 614

2316 2516 314 278 338 358 314 438 478 412 614 534

11516 2116 278 258 3 314 3 378 438 414 558 538

12164 12964 134 134 178 218 218 258 314 314 4 4

4 x 12 4 x 12 3 8 x 58 3 8 x 58 3 8 x 58 3 8 x 58 3 8 x 58 7 16 x 78 1 2 x 1 1 2 x 1 5 8 x 114 5 8 x 1141 1

118 118 138 138 138 138 138 1916 158 158 11316 11316

8 8 13 16 13 16 13 16 13 16 13 16 15 16 1 1 1316 13165 5

114 114 158 158 158 158 158 2 214 214 21116 21116

4 4 1116 1116 1116 1116 1116 138 158 158 2116 21163 3

Bushings cannot be bored larger than largest bore listed. For detail dimensions required for machining hubs, consult factory. Key furnished for these sizes only. For general reference. Severe conditions may require larger hub. Heavy well-located web may permit smaller hub. Hub diameter required depends on the perticular application. Consult Martin giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minumum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs. 2 screws required. Use in positions shown for tightening bushing on shaft. In removing bushing from shaft, remove screws and use one of them in the other hole. Bushing price includes screws. Space required to tighten bushing. Also space required to loosen screws to permit removal of hub by puller.

5

B-10

Taper Bushings Dimensions

No. 3535 to 5050 BushingsBushing Number Bore Weight1

Bushing Keyseat

Shaft Keyseat5

A

B

Class 20 Gray Iron

C Class 30 Gray Iron

Steel

D

F

G

R

3535

4040

4545

5050

1 16 to 1 4 1516 to 138 1716 to 134 11316 to 214 2516 to 234 21316 to 314 3516 to 312 1716 to 134 11316 to 214 2516 to 234 21316 to 314 3516 to 358 31116 to 334 31316 to 4 11516 to 214 2516 to 234 21316 to 314 3516 to 334 31316 to 414 4516 to 412 2516 to 234 21316 to 314 3516 to 334 31316 to 412 4916 to 53

14 14 13 12 11 9 8 22 21 19 17 15 14 13 30 28 26 23 20 18 38 35 32 27 24

4 x 8 16 x 532 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 78 x 14 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 78 x 716 1 x 14 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 1 x 12 1 x 14 5 8 x 516 3 4 x 38 7 8 x 716 1 x 12 114 x 7161 1 5 3

4 x 8 16 x 532 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 3 8 x 316 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 7 8 x 716 1 x 12 1 2 x 14 5 8 x 516 3 4 x 38 7 8 x 716 1 x 12 1 x 12 5 8 x 516 3 4 x 38 7 8 x 716 1 x 12 114 x 581 1 3

5

312

734

7

612

4.83

1

2 x 112

39

v

534

4

912

812

734

5.54

5

8 x 134

40

v

638

412

1012

912

834

6.13

3

4 x 2

40

v

7

5

1112

1012

912

6.72

7

8 x 214

37

v

Bushings cannot be bored larger than largest bore listed. For detail dimensions required for machining hubs, consult factory. Key furnished for these sizes only. For general reference. Severe conditions may require larger hub. Heavy welllocated web may permit smaller hub. Hub diameter required depends on the particular application. Consult factory giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minumum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs.

3 screws required. Use in positions shown for tightening bushing on shaft. In removing bushing from shaft, remove screws and use two of them in the other two holes. Bushing price includes screws. See following footnote. v Provide sufcient space to tighten and loosen bushing. Width across ats of screw head is same as screw diameter which is shown in column F.

B-11

Taper Bushings Dimensions

6050

7060 TO 10085

NO. 120100

No 6050 to 120100 Taper BushingsBush Number Bore Weight Bushing Keyseat Shaft Keyseat A B Class 20 Gray Iron C Class 30 Gray Iron Steel D E F L5 M55

6050

7060 8065

10085 120100

31316 to 412 4916 to 512 5916 to 6 4916 to 512 5916 to 612 6916 to 7 5116 to 512 5916 to 612 6916 to 712 7916 to 8 6916 to 712 7916 to 9 9116 to 10 7916 to 9 9116 to 11 11116 to 12

60 55 50 85 75 65 120 105 90 75 260 230 190 410 360 290

1 x 12 114 x 58 112 x 34 114 x 58 112 x 34 134 x 34 114 x 58 112 x 34 134 x 34 2 x 34 134 x 34 2 x 34 212 x 78 2 x 34 212 x 78 3x1

1 x 12 114 x 58 112 x 34 114 x 58 112 x 34 134 x 34 114 x 58 112 x 34 134 x 34 2 x 34 134 x 34 2 x 34 212 x 78 2 x 34 212 x 78 3x1

914

5

17

1512

1312

9

634

114 x 312

158

438

1014

6

1812

17

1434

10

734

114 x 312

158

438

1114

612

19

1712

1512

11

834

114 x 312

158

438

1434

812

2312

22

1912

1412

1134

112 x 414

2

538

1714

10

28

26

23

17

1414

112 x 414

2

538

Bushings cannot be bored larger than largest bore listed. For detail dimensions required for machining hubs, consult Martin. For general reference. Severe conditions may require larger hub. Heavy welllocated web may permit smaller hub. Hub diameter required depends on the particular application. Consult Martin giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minumum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs. 3 screws for 6050; four for 7060 to 10085; six for 120100. Use in positions shown for tightening bushing on shaft. In loosening bushing, remove

screws and use all except one in the other holes. Bushing price includes screws. 5 Space required to tighten bushing. Also space required to loosen screws to ` permit removal of hub by puller. 55Space required to loosen bushing using screws as jackscrews no puller required. Not currently stocked Available on order.

B-12

Taper Bushed Type S-Type W Weld-On Hubs DimensionsMartin Taper Bushed Type S Weld-On Hubs are suitable for use in many applications such as for welding to plate steel sprockets. The outside diameters of these hubs have been reduced to a minimum. This is permissible because of the reinforcing strength of the items to which they are to be welded. Cases where the attached item is of small dimensions should be referred to Martin.Type S Weld-On Hubs are made of steel, drilled, tapped, and taper bored for Tapered Bushings. Their small size and the convenience and advantages of Taper Bushed construction make them of great value on many devices for use on shafts.

Type S

Taper Bushed Type S Weld-On HubsHub Number For Use with Bushing Number Max. Bore of Bushing Weight A B C55 D G J

S16-4 S16-6 S20-6 S20-8 S25-6 S25-8 S25-10 S25-16 S30-10 S30-16 S35

1610 1610 2012 2012 2517 2517 2517 2517 3020 3020 3535

158 158 2 2 212 212 212 212 3 3 312

.9 .9 1.8 1.4 2.6 2.6 2.5 2.4 4.3 4.2 12.8

3 3 3916 3916 414 414 414 414 514 514 612

1 1 114 114 134 134 134 134 2 2 312

.275 .450 .450 .570 .450 .565 .685 1.090 .675 1.090 1.160

.725 .550 .800 .680 1.300 1.185 1.065 .660 1.325 .910 2.340

278 278 3716 3716 418 418 418 418 518 518 638

214 214 234 234 338 338 338 338 414 414 5

See dimension tables on preceeding page for bushing data and wrench space required. + .000-.002 + .005-.010 + .001-.003 + .000-.005 55 + .010-.010

Type WAType W Weld-On Hubs are made of steel, drilled, tapped, and taper bored to receive Tapered Bushings. They are very useful for welding into fan rotors, pulleys, plate sprockets, impellers, agitators, and many other devices which must be firmly fastened to the shaft.

Taper Bushed Type WA Weld-On HubsHub Number For Use with Max. Bushing Bore of Weight Number Bushing A B C D F G H J K

WA12 WA16 WA25 WA30 WA35 WA40 WA45 WA50 WA60 WA70 WA80 WA100

1215 1615 2517 3030 3535 4040 4545 5050 6050 7060 8065 10085

114 158 212 3 312 4 412 5 6 7 8 10

1.3 1.5 4.0 8.6 15 29 42 57 115 155 180 340

278 314 478 512 634 734 834 912 1314 1412 1514 1934

112 112 134 3 312 4 412 5 5 6 612 812

8 8 1 2 3 4 114 112 134 134 134 214 214 3123 3

8 8 3 4 3 4 1 1 1 1 114 114 114 1125 5

8 8 3 8 1 4 3 8 3 8 3 8 3 83 3

212 278 438 518 614 714 8 834 12145 13125 14145 18345

238 234 414 41316 51516 678 758 838 1178 1314 14 1814

178 214 338 418 5 534 638 7 914 1014 1114 1434

258 3 458 5 6 7 8 834

See dimension tables on preceeding page for bushing data and wrench space required. + .000-.002 + .000-.003 5 + .000-.004

WA12 To WA50

WA60 To WA100

B-13

Taper Bushings Metric and ReborableStock Taper Bushings With Metric Bores and Keyways5Metric Bores 5Metric Keyway Taper Bushing Number

14, 16 18, 19 20, 22 24 25 28, 30 32 35 38 40, 42 45, 48 50 55

5 x 2.3 6 x 2.8 8 x 3.3 8 x 3.3 8 x 3.3 10 x 3.3 10 x 3.3 10 x 3.3 12 x 3.3 14 x 3.8 14 x 3.8 16 x 4.3

1008 1215 1008 1610 1108 1610 1210 1615 1210 1615 1610 2012 1610 2012 1610 2012 2012 2517 2012 2517 2517 2517

1108 1610 1108 1615 1210 1615 1215 2012 1215 2012 1615 2517 1615 2517 1615 2517 3020 3020 3020 3020

1210 1615 1210 2012 1215 2012 1610 2517 1610 2517 3020 3020 3020

1215 2517 2517

3020

5 Millimeter Bores and Keyways from ISO Std. R773. 1= 25.4 millimeters NOTE: For other metric bore sizes consult factory.

Stock Reborable Taper Bushings With No KeywaysSintered Steel Gray Iron Steel Stainless Steel

1008 1108 1210 1215 1310 1610 1615 2012 2517 3020

16 1 2 9 16 1 2 1 2 1 2 1516 1 2 1516 1 2 1 2 19169 15

16 11116

2525 3020 3030 3535 4040 4545 5050 6050 7060 8065 10085 120100

218 16 1716 21516 15 16 2716 21516 1316 2716 21516 1716 3716 31516 31516 4716 2716 31516 3716 5716 31516 4716 7 815

1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3535 4040 4545

2 1 2 1 2 1 21

2 2 1 2 1 21 1 15

16

1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3535 4040 4545

1

2 2

1

1

2 2 2

1 1

15

16

5 Not currently stocked. Consult factory for availability and pricing.

B-14

QD Idler BushingsMartin QD Idler Bushings are designed to accomodate stock Vbelt drives, sprockets, timing belt pulleys, or other products that use QD type bushings.They are equiped with two electric motor grade, permanently lubricated snap ring type ball bearings, mounted on precision shoulder bolt with close tolerance steel spacer between bearings. Shoulder bolt and two hex jam nuts are zinc plated. Installation is made by slipping the threaded shaft through a hole bored in support structure, and tightening the locking nut. Sheaves, sprockets, or other products can be removed without dismounting the idler bushing. Available with SH, SD, SK, SF, or E QD bushings. Boxed complete with all mounting hardware and instructions.

OL L F A H D B M J

Radial Load Ratings (Lbs.) 2500 Hours Service LifePart Number 100 500 RPM 1000 1200 1800

N Taper 34 per foot on diameter.

SH-BB SD-BB SK-BB SF-BB E-BB

1260 1740 2370 2550 4640

740 1020 1360 1500 2720

580 800 1070 1180 2140

540 760 1000 1100 2020

480 660 880 980 1780

Service Temperature Range 40 F Minimum +248 F Maximum

Part Number

Dimensions A B D F H J L M N OL

SH-BB SD-BB SK-BB SF-BB E-BB

16 1 2 9 16 9 16 3 47

1.871 2.187 2.812 3.125 3.834

21116 3316 378 458 6

4 114 114 114 1583

8 11 16 3 4 3 4 17165

16 1116 1316 1516 231615

1516 11316 11516 2116 258

158 1916 134 218 3316

16 5 8 3 4 7 8 1387

3116 378 4916 5 678

B-15

Notes

B-16

Index SECTION CCOUPLINGSPRODUCT PAGE

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1 COUPLING COMPARISON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-2 QUADRA-FLEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-4 C-24 Sleeve Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-7 C-8 Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-9 Sleeves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-14 Flanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-15 C-19 Keyseat Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-18 Spacer Flanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-20 C-23 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-24 CHAIN COUPLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-25 C-27 Bored To Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-26 QD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-26 Taper Bushed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-26 Coupling Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-27 Plain Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-27 Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-27 JAW COUPLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-28 C-30 Horsepower Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-29 ML & MS Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-30 ML & MS Spiders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-30

Martin FLEX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-31 C-32

Stock Sizes (F5-F12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-31 Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-32 C-1

Coupling ComparisonCouplingsComparison ChartType Connecting Medium Max. H. P. Per 100 RPM Max. RPM Bore Range3

Allowable Misalignment Angle Parallel

CHAIN JAW

ROLLER CHAIN ELASTOMERIC SPIDER ELASTOMERIC TIRE ELASTOMERIC SLEEVE

700 3.6 14.4 115

5000 3600 4500 9200

8 618 8 258 8 312 2 6

2 1 4 .330

.015 .0151

1

Martin

FLEX

3

8

QUADRA FLEX

1

.062

Type

Shock Load Capacity

Vibration Dampening

Temperature Range Fahrenheit

CHAIN JAW

NONE MODERATE EXCELLENT

NONE MODERATE EXCELLENT EXCELLENT MODERATE

-30 -60 -45 -50 -65

225 250 210 275 25051

Martin

FLEX

52

53 54

QUADRA-FLEX 51 52 53 54 With Hytrel Spider Neoprene Element TPR Sleeve With EPDM Sleeve

EXCELLENT

C-2

CouplingsWhatever Your Need For Couplings Martin Has ThemMartin Offers Two Complete Lines of Jaw Couplings One for Greater Horsepower and One for Interchangeability. Todays Most Advanced Coupling. For High Strength, Better Balance, Easy Installation, and the Strong Shaft Fit of the QD Bushing.

Martin QD Flex

ML Type

MS Type

For the Most Complete Line of Chain Couplings Available.

S/B

BS

TB

QD

Aluminum

Plastic

Martin QUADRA-FLEX

A Proven Design Which Offers Long Life, Torsional Flexibility, Ease of Installation, and Withstands Misalignment, Shock, and Vibration.

C-3

QUADRA-FLEX 4-Way Flexing

Quadra-ex FLEXIBLE COUPLINGS

Stocked Nationwide In Sizes 3 Through 16 Styles J, S, B, and SC Spacers

C-4

QUADRA-FLEX 4-Way Flexing

Martin

QUADRA-FLEX Couplings, Non Lubricated, Maintenance Free, Easy and Quick Installation

Handles All Combinations of Shock, Vibration, and Misalignment

ParallelQUADRA-FLEX couplings absorb parallel misalignment without wear and with minimal loss of energy. The amount of parallel offset handled varies by size from .015 on the size 5 up to .062 on the size 16. This minimizes the radial loads on bearings when parallel misalignment occurs.

AngularDue to the exing characteristics of the sleeve and the locking action of the teeth, QUADRA-FLEX couplings easily handle angular misalignment up to 1 degree without any appreciable wear.

TorsionalQUADRA-FLEX sleeves are torsionally resilient and are well suited to absorbing shocks and dampening vibrations that would otherwise be transmitted between the equipment.

AxialThe axial flexibility of the sleeve allows the QUADRAFLEX coupling to accept a limited amount of end float. This serves to reduce thrust loads transferred to bearings. QUADRA-FLEX units will accept axial movement of approximately 1/8.

C-5

StylesAvailable in Three StylesType J and S FlangesBored-to-size anges are manufactured for a slip t on standard shafting. Available from stock in a wide range of shaft sizes.

Type B FlangesManufactured from high strength cast iron to fit standard QD bushings in sizes 6 thru 16.

Fast Coupling DisassemblyMartin offers the first true drop-out spacer assembly for the4JSC spacer coupling. The center portion of the spacer can be taken out, just as in the 5SC thru 14SC, by simply removing four cap screws in each hub. The couplings center section can then be lifted out and the pump gaskets exposed. Flats on the spacer hubs facilitate turning shafts with a wrench.

Type SC Spacer FlangeQUADRA-FLEX SC Spacer Couplings feature all standard spacing requirements for the pump industry. Spacer sizes range from sizes 4 thru 14.

C-6

Sleeve SelectionQUADRA-FLEX NomenclatureFlangesType Description

SleevesType Description

J5 S B SC

SINTERED STEEL, BORE-TO-SIZE CAST IRON, BORED-TO-SIZE CAST IRON, QD BUSHED SPACER COUPLING FLANGES

5 #6 Currently Supplied in Cast Iron

Hubs (For SC anges)Type Description

JEM JEMS EM E N H HS

TPR 1-PIECE SOLID, THERMOPLASTIC TPR 1-PIECE SPLIT, THERMOPLASTIC TPR 2-PIECE W/RETAINING RING EPDM 2-PIECE W/RETAINING RING NEOPRENE 2-PIECE W/RETAINING RING HYTREL 1-PIECE SOLID HYTREL 2-PIECE

H HS

REGULAR LENGTH SHORT LENGTH

QUADRA-FLEX couplings come in a variety of styles and designs to meet specific customer needs. These include flanges and sleeves of various types and materials. The total product line includes 13 sizes varying in torque ratings up to 72,000 in-lbs. When ordering QUADRA-FLEX couplings, the following basic procedure should help expedite order processing. For coupling anges, give the basic coupling size, then the letter for the type ange followed by the bore size required. For coupling sleeves, give the coupling size followed by the letter(s) designating the type and material required. (See above) The following are various examples for reference: Example: Type J Flange Size 5 7 Flange J S Bore 3 4 30mm

Example: Type B Flange Size 8 Flange B Bushing SH

8B SH

(Note: The SH bushing with required bore size should be specied separately.) Example: Sleeves Size 8 11 Style & Material Solid, TPR 2 Piece, EPDM

8JEM 11E

(Note: Unless specied, TPR (3 thru 10) or EPDM (11 thru 16) will be supplied.) Example: Complete spacer coupling 1 2 1 1 6EM 6SC35 6H x 1 6H x 11/8 (6 TPR 2 Piece Sleeve) (Flanges for 31/2 dropout) (6 Spacer Hub for 1 Bore) (6 Spacer Hub for 11/8 Bore)

5J x 3/4 7S x 30mm

(Note: Bored-to-size flanges are furnished with standard keyway and 2 setscrews unless specied otherwise.)

C-7

Sleeve SelectionQUADRA-FLEX coupling sleeves are available in four different types of compounds. These include TPR (ThermoPlastic Rubber) in types JEM, JEMS, EM; EPDM Rubber in type E; Neoprene in type N; Hytrel in type H and HS. To determine the sleeve best suited for the application, the material characteristics are given below.

TPR(Sizes 3-10)QUADRA-FLEX couplings are usually supplied with TPR sleeves in sizes 3-10. TPR is a general use sleeve which combines the characteristics of both EPDM & Neoprene into one. These sleeves operate within a temperature range from -50 F to +275 F (-46 C to +135 C). Torsional exibility is 15.

EPDM(Sizes 11-16)QUADRA-FLEX couplings are usually supplied with EPDM rubber sleeves in sizes 11-16. EPDM is a general use sleeve and can operate within a temperature range from 30 F to +275 F (-34 C to +135 C). Torsional flexibility is 15.

NEOPRENE5(Sizes 13-16)Neoprene exible sleeves are also available in sizes 11-14. These sleeves offer a higher resistance than EPDM and are self-extinguishing. Operating temperature range for this sleeve is 0 F to +200 F (-18 C to +93 C). Torsional exibility is 15.

HYTREL5(Sizes 6-14)Hytrel sleeves are molded specifically for high torque applications. The type H will transmit approximately four times as much power as an equivalent TPR, EPDM, or Neoprene sleeve. Hytrel has an operating temperature from 65 F to +250 F (-54 C to +121 C). Torsional exibility is 7. Note: Do not use a Hytrel sleeve as a replacement for a TPR, EPDM, or Neoprene sleeve.

Sleeve Chemical ResistanceResistance To: TPR EPDM Neoprene5 Hytrel5 Resistance To: TPR EPDM Neoprene5 Hytrel5

Acetone Ammonia, Anhydrous Ammonium Hydroxide Solutions ASTM hydrocarbon test uid ASTM oil no. 1 ASTM oil no. 3 ASTM reference fuel A ASTM reference fuel B ASTM reference fuel C Benzene Butane Carbon Tetrachloride Chlorobenzene Chloroform Chromic Acid, 10-50% Dowtherm A Solvent Ethyl Alcohol Ethylene Glycol Fuel Oil Gasoline Glycerine Hydraulic Oils Hydrochloric Acid, 20% Hydrogen Peroxide, 88%

A B T N B B B B B C B X C X T X A A B B A B A N

A T A C C C C C X C B C X C T N A A X B-C T N T T

B A A(158F) X A B(158F) A C C C A C X C C B A(158F) A(158F) A B A(158F) A A B

B N T A A A A A B B A C X C N N A A A A A A B T

Isopropyl Kerosene Lacquer Solvents Lubricating Oils Methyl Alcohol Mineral Oil Naphtha Nitric Acid, 10% Nitrobenzene Phenol Phosphoric Acid, 20% Phosphate Esters Pickling Solution (20% Nitric Acid, 4% HF) Soap Solutions Sodium Hydroxide, 20% Stearic Acid Sulfuric Acid, up to 50% Sulfuric Acid, up to 80% Tannic Acid, 10% Toluene Trichloroethylene Turpentine Water Xylene N No evaluation has been attempted. T No data; likely to be compatible X No data; not likely to be compatible

A B T B A B B A T T A A N A A T A A T C C B A C

T X ... X T X C T A T T A X T A T T T T C X C A(158F) C

A B C B(158F) A(158F) A C B C B T C B-C A(158F) A B(158F) A(158F) B-C A C C C A(212F) X

A T B A A A A B C C N A X A A T A C T B C N A(158F) B

A Fluid has little or no effect B Fluid has minor to moderate effect C Fluid has severe effect

5Registered Trademark of Dupont

C-8

Selection ProcedureSelection ProcedureWhen the driver is an electric motor with standard speed. Step 1. Determine Service Factor (SF) Symbol based on equipment listed on page C-10. Step 2. Determine proper Service Factor from chart at top of page C-10. Step 3. Refer to page C-12 and C-13 for proper selection of coupling. Based on chemical resistance and operating environment found on page C-8, select from chart the type of sleeve material. Find RPM of motor, then, in the column for service factor determined in Step 2, read down to the corresponding horsepower of motor being used as the driver. The number listed is the correct coupling size. Example: A coupling is needed to connect a 25 HP standard electric motor to a lumber log haul at 1750 RPM. 1. Service Factor Symbol H 2. Service Factor 2.0 3. Coupling Size 9 with TPR sleeve or 6 with Hytrel Sleeve Step 4. Select flanges from pages C-13 thru C-16, check coupling bore size range for proper shaft t. When the driver is other than an electric motor or the speeds are different than those shown in the chart on pages C-8 and C-9. Step 1. Follow steps 1 & 2 in previous procedure. Step 2. Calculate Horsepower at 100 RPM as follows: HP at 100 RPM = HP x Service Factor x 100coupling RPM

Step 3. Select coupling size from Table 2. Find a HP equal to or greater than the HP/100 RPM Step 4. Check Maximum bore to be sure that both shaft sizes do not exceed figure listed for size selected in step 4. If maximum is exceeded select the next largest size which will allow for bore size. Do not exceed maximum RPM for new size selected. Example: A bucket elevator is driven by a motor/reducer and requires a coupling to transmit 14 HP at 1300 RPM. 1. Service Factor Symbol M 2. Service Factor 1.5 3. HP at 100 RPM = 14 x1.5 x 100 = 1.61 HP/100 RPM1300

5 NOTE: Do not oversize coupling hub will cause premature wear of element.

4. Refer to page C-11; under column for 100 RPM the required 1.61 HP falls between the size 7 (1.2) and the size 8 (1.8). Correct selection is size 8 with TPR sleeve. Check bore sizes for anges on pages C-11 thru C-13.

Maximum RPM and Allowable MisalignmentSize Maximum RPM Types JEM, JEMS, EM, E and N Parallel Angular Types H and HS Parallel Angular

3 4 5 6 7 8 9 10 11 12 13 14 16

9200 7600 7600 6000 5250 4500 3750 3600 3600 2800 2400 2200 1500

.010 .010 .015 .015 .020 .020 .025 .025 .032 .032 .040 .045 .062

.035 .043 .056 .070 .081 .094 .109 .128 .151 .175 .195 .242 .330

.010 .012 .015 .017 .020 .022 .025 .030 .035

.016 .020 .025 .028 .032 .037 .042 .050 .060

Note: Values shown above apply if the actual torque transmitted is more than 14 the coupling rating. For lesser torque, reduce the above values by 12.

C-9

Service FactorsService Factors For QUADRA-FLEX CouplingsService Factor Symbol Electric Motor Standard Torque Electric Motor High Torque Turbines Reciprocating Engines

L (LIGHT) M (MEDIUM) H (HEAVY)

1.25 1.5 2.0

1.5 2.0 2.5

1.0 1.25 1.5

1.5 2.0 2.5

Table 1Application SF Symbols Application SF Symbols Application MILLS Ball, Pebble, Rod, Tube . . . . . . . . . . . . . . . H Rubber, Tumbling . . . . . . . . . . . . . . . . . . . . H Dryer and Cooler . . . . . . . . . . . . . . . . . . . . . M MIXER Concrete, Muller . . . . . . . . . . . . . . . . . . . . . M Banbury . . . . . . . . . . . . . . . . . . . . . . . . . . . . H ORE CRUSHER. . . . . . . . . . . . . . . . . . . . . . . . . . . . H OVEN CONVEYOR . . . . . . . . . . . . . . . . . . . . . . . . . L PLANER (metal or wood) . . . . . . . . . . . . . . . . . . . . M PRESSES Brick, Brlquette Machine . . . . . . . . . . . . . . . H Notchlng, Paper, Punch, Printing . . . . . . . . M PUG MILL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M PULP GRINDER (paper) . . . . . . . . . . . . . . . . . . . . H PULVERIZERS Hammermill light duty, Roller . . . . . . . . . M Hammermill heavy duty, Hog . . . . . . . . . H PUMPS Centrifugal, Axial . . . . . . . . . . . . . . . . . . . . . L Gear, Lobe, Vane . . . . . . . . . . . . . . . . . . . . M Reciprocating sgl. or dbl. acting . . . . . . . * REEL, REWINDER (paper) CABLE . . . . . . . . . . . . M ROD MILL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H SAWDUST CONVEYOR . . . . . . . . . . . . . . . . . . . . . L SCREENS Air Washing, Water . . . . . . . . . . . . . . . . . . . L Rotary for coal or sand . . . . . . . . . . . . . . . . M Vibrating . . . . . . . . . . . . . . . . . . . . . . . . . . . H SCREW CONVEYOR . . . . . . . . . . . . . . . . . . . . . . . L SLAB CONVEYOR (lumber) . . . . . . . . . . . . . . . . . M SLITTERS (metal) . . . . . . . . . . . . . . . . . . . . . . . . . . M SOAPERS (textile) . . . . . . . . . . . . . . . . . . . . . . . . . . L SORTING TABLE (lumber) . . . . . . . . . . . . . . . . . . . M SPINNER (textile) . . . . . . . . . . . . . . . . . . . . . . . . . . M STOKER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L SUCTION ROLL (paper) . . . . . . . . . . . . . . . . . . . . M TENTER FRAMES (textile) . . . . . . . . . . . . . . . . . . . M TIRE BUILDING MACHINES. . . . . . . . . . . . . . . . . . H TIRE & TUBE PRESS OPENER . . . . . . . . . . . . . . . L TUMBLING BARRELS. . . . . . . . . . . . . . . . . . . . . . . H WASHER and THICKENER (paper) . . . . . . . . . . . M WINCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M WINDERS, Paper, Textile, Wire . . . . . . . . . . . . . . . M WINDLASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M WIRE Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Winding . . . . . . . . . . . . . . . . . . . . . . . . . . . . M WOODWORKING MACHINERY . . . . . . . . . . . . . . . L SF Symbols AGITATORS - Paddle, Propeller, Screw . . . . . . . . . L BAND RESAW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . M BARGE HAUL PULLER . . . . . . . . . . . . . . . . . . . . . . H BARKING (Lumber) . . . . . . . . . . . . . . . . . . . . . . . . . H BAR SCREEN (sewage) . . . . . . . . . . . . . . . . . . . . . L BATCHES (textile) . . . . . . . . . . . . . . . . . . . . . . . . . . L BEATER AND PULPER (paper) . . . . . . . . . . . . . . . M BENDING ROLL (metal) . . . . . . . . . . . . . . . . . . . . . M BLEACHER (paper) . . . . . . . . . . . . . . . . . . . . . . . . . L BLOWERS Centrifugal, Vane . . . . . . . . . . . . . . . . . . . . . L Lobe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M BOTTLING MACHINERY. . . . . . . . . . . . . . . . . . . . . L BREW KETTLES (distilling) . . . . . . . . . . . . . . . . . . . L BUCKET ELEVATOR OR CONVEYOR . . . . . . . . . M CALENDERS Calender (paper) . . . . . . . . . . . . . . . . . . . . . M Calender-super (paper, rubber) . . . . . . . . . H CANE KNIVES (sugar) . . . . . . . . . . . . . . . . . . . . . . M CARD MACHINE (textile) . . . . . . . . . . . . . . . . . . . . H CAR DUMPERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . H CEMENT KILN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H CENTRIFUGAL BLOWERS COMPRESSORS, FANS or PUMPS. . . . . . . . . L CHEMICAL FEEDERS (sewage). . . . . . . . . . . . . . . L CHILLER (oil). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M CHIPPER (paper) . . . . . . . . . . . . . . . . . . . . . . . . . . H CIRCULAR RESAW . . . . . . . . . . . . . . . . . . . . . . . . M CLARIFIER or CLASSIFIER . . . . . . . . . . . . . . . . . . L CLAY WORKING MACHINERY . . . . . . . . . . . . . . . M COLLECTORS (sewage) . . . . . . . . . . . . . . . . . . . . . L COMPRESSORS Centrifugal . . . . . . . . . . . . . . . . . . . . . . . . . . L Reciprocating . . . . . . . . . . . . . . . . . . . . . . . . * Screw, Lobe . . . . . . . . . . . . . . . . . . . . . . . . L CONCRETE MIXERS . . . . . . . . . . . . . . . . . . . . . . . M CONVERTING MACHINE (paper) . . . . . . . . . . . . . M CONVEYORS Apron, Assembly Belt, Flight . . . . . . . . . . . . L Oven, Screw. . . . . . . . . . . . . . . . . . . . . . . . . L Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M COOKERS- Brewing, Distilling, Food . . . . . . . . . . . L COOLING TOWER FANS . . . . . . . . . . . . . . . . . . . . H COUCH (paper) . . . . . . . . . . . . . . . . . . . . . . . . . . . . M CRANES & HOISTS . . . . . . . . . . . . . . . . . . . . . . . . M Heavy Duty Mine . . . . . . . . . . . . . . . . . . . . . H CRUSHERS Cane (sugar), Stone, Ore . . . . . . . H CUTTER Paper . . . . . . . . . . . . . . . . . . . . . . . . . . H CYLINDER (paper) . . . . . . . . . . . . . . . . . . . . . . . . . H DEWATERING SCREEN (sewage) . . . . . . . . . . . . M * Consult Factory DISC FEEDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L DOUGH MIXER . . . . . . . . . . . . . . . . . . . . . . . . . . . . M DRAW BENCH CONVEYOR & Main Drive . . . . . . H DREDGES Cable Reel, Pumps . . . . . . . . . . . . . . . . . . . M Cutter Head Drive, Jig Drive . . . . . . . . . . . . H Screen Drive . . . . . . . . . . . . . . . . . . . . . . . . H Maneuvering and Utility Winch . . . . . . . . . . M Stacker . . . . . . . . . . . . . . . . . . . . . . . . . . . . M DYNAMOMETER . . . . . . . . . . . . . . . . . . . . . . . . . . L DRYERS (rotary) . . . . . . . . . . . . . . . . . . . . . . . . . . M EDGER (lumber) . . . . . . . . . . . . . . . . . . . . . . . . . . . H ELEVATORS Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M Escalator . . . . . . . . . . . . . . . . . . . . . . . . . . . L Freight, Passenger, Service, Man Lift. . . . . H ESCALATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L EXTRUDER (metal) . . . . . . . . . . . . . . . . . . . . . . . . . H FANS Centrifugal . . . . . . . . . . . . . . . . . . . . . . . . . . L Cooling Tower . . . . . . . . . . . . . . . . . . . . . . . H Forced Draft, Large Industrial, Mine . . . . . . M FEEDERS Apron, Belt, Disc . . . . . . . . . . . . . . . . . . . . . L Reciprocating. . . . . . . . . . . . . . . . . . . . . . . . H Screw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M FILTER, PRESS-OIL . . . . . . . . . . . . . . . . . . . . . . . . M GENERATORS Uniform load. . . . . . . . . . . . . . . . . . . . . . . . . L Varying load, Holst . . . . . . . . . . . . . . . . . . . M Welders . . . . . . . . . . . . . . . . . . . . . . . . . . . . H GRIT COLLECTOR (sewage) . . . . . . . . . . . . . . . . . L GRIZZLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H HAMMERMILL Light Duty, Intermittent . . . . . . . . . . . . . . . . M Heavy Duty, Continuous . . . . . . . . . . . . . . . H HOISTS Heavy Duty . . . . . . . . . . . . . . . . . . . . . . . . . H Medium Duty . . . . . . . . . . . . . . . . . . . . . . . . M JORDAN (paper) . . . . . . . . . . . . . . . . . . . . . . . . . . . H KILN, ROTARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . H LAUNDRY WASHER or TUMBLER . . . . . . . . . . . . H LINE SHAFTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L LOG HAUL (lumber). . . . . . . . . . . . . . . . . . . . . . . . . H LOOM (textile) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M MACHINE TOOLS, MAIN DRIVE . . . . . . . . . . . . . . M MANGLE (textile) . . . . . . . . . . . . . . . . . . . . . . . . . . . L MASH TUBS (distilling) . . . . . . . . . . . . . . . . . . . . . . L MEAT GRINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . M METAL FORMING MACHINES . . . . . . . . . . . . . . . M

C-10

Coupling RatingsCoupling RatingsTable 2ACoupling Size Sleeve Construction 100

ThermoPlastic Rubber (TPR)860 Basic HP Ratings Per Given RPM 1160 1750 3500 Rated Torque (in.-lb./radians) Torsional Stiffness Factor (in.-lb./radians) Maximum RPM

3 4 5 6 7 8 9 10

TPR TPR TPR TPR TPR TPR TPR TPR

.10 .19 .38 .71 1.20 1.80 2.80 4.60

.8 1.6 3.3 6.1 10.0 16.0 25.0 39.0

1.1 2.2 4.4 8.3 13.0 20.0 33.0 53.0

1.7 3.3 6.7 12.5 20.0 32.0 50.0 80.0

3.3 6.7 13.0 25.0 40.0 63.0 100.0 160.0

60 120 240 450 725 1135 1800 2875

229 458 916 1718 2769 4335 6875 10980

9200 7600 7600 6000 5250 4500 3750 3600

Table 2BCoupling Size Sleeve Construction 100 860

EPDM & NeopreneBasic HP Ratings Per Given RPM 1160 1750 3500 Rated Torque (in.-lb./radians) Torsional Stiffness Factor (in.-lb./radians) Maximum RPM

11 12 13 14 16

EPDM & Neoprene EPDM & Neoprene EPDM & Neoprene EPDM & Neoprene EPDM

7.20 11.40 18.00 28.60 75.00

62.0 98.0 155.0 246.0 645.0

83.0 132.0 209.0 331.0 870.0

126.0 200.0 315.0 500.0

252.0

4530 7200 11350 18000 47250

17300 27500 43350 68755 180480

3600 2800 2400 2200 1500

Table 2CCoupling Size Sleeve Construction 100 860

HytrelBasic HP Ratings Per Given RPM 1160 1750 3500 Rated Torque (in.-lb./radians) Torsional Stiffness Factor (in.-lb./radians) Maximum RPM

3 4 5 6 7 8 9 10 11 12 13 14

HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL HYTREL

2.9 4.6 7.2 11.4 18.0 28.6 50.0 75.0 115.0

25.0 39.0 62.0 98.0 155.0 246.0 430.0 645.0 986.0

33.0 53.0 84.0 132.0 209.0 331.0 580.0 870.0 1334.0

50.0 80.0 126.0 200.0 315.0 500.0 875.0 1312.0 2013.0

100.0 160.0 252.0 400.0 630.0 1000.0

1800 2875 4530 7200 11350 18000 31500 47268 72480

10000 20000 30000 47500 100000 125000 225000 368900 593250

6000 5250 4500 3750 3600 3600 2800 2400 2200

Hytrel sleeves are available on a made-to-order basis. Consult factory. Values shown are for an ambient temperature of 75 F (24 C).

C-11

Sleeve Selection Chart

Selection Chart for TPR1, EPDM, & Neoprene SleevesHP 1.0 860 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 1160 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 1750 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 3500 RPM Motor Service Factors 1.25 1.5 2.0 2.5

2 4 1 112 2 3 5 712 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 600 700 8001 3 1

3 3 4 4 5 5 6 7 7 8 9 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16 16

3 4 4 5 5 6 6 7 8 9 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16 16

3 4 4 5 5 6 7 8 8 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16

4 4 5 5 6 6 7 8 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16

4 5 5 6 6 7 8 9 9 10 11 11 12 12 13 13 14 14 16 16 16

3 3 3 4 4 5 6 6 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16 16 16

3 3 4 4 5 5 6 7 7 8 9 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16 16 16

3 4 4 5 5 6 6 7 8 9 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16 16

3 4 4 5 5 6 7 8 8 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16

4 4 5 5 6 6 7 8 9 10 10 11 11 12 12 13 13 14 14 16 16 16 16 16

3 3 3 3 4 4 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 14 14

3 3 3 4 4 5 5 6 6 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 14

3 3 3 4 4 5 6 6 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14

3 3 4 4 5 5 6 7 7 8 9 9 10 10 11 11 12 12 13 13 14 14

3 4 4 5 5 6 6 7 8 9 9 10 10 11 11 12 12 13 13 14 14

3 3 3 3 3 4 5 5 6 6 6 7 7 8 8 9 9 10 10 11 11

3 3 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11

3 3 3 3 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11

3 3 3 4 4 5 6 6 7 7 8 8 9 9 10 10 11 11

3 3 4 4 5 5 6 6 7 8 8 9 9 10 10 11 11

ThermoPlastic Rubber

Caution: Applications involving reciprocating engines and reciprocating driven devices are subject to critical rotational speeds which may damage the coupling and/or connected equipment. Contact factory with specic requirements.

C-12

Hytrel Selection Chart

Selection Chart for Hytrel SleevesHP 1.0 860 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 1160 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 1750 RPM Motor Service Factors 1.25 1.5 2.0 2.5 1.0 3500 RPM Motor Service Factors 1.25 1.5 2.0 2.5

1 112 2 3 5 712 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 500 600 700 800 900 1000

6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 14H 14H 14H

6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 14H 14H 14H

6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 13H 13H 13H 14H 14H

6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 13H 13H 14H 14H 14H

6H 6H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 13H 13H 14H 14H 14H

6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 13H 14H 14H

6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 13H 14H 14H 14H

6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 13H 14H 14H 14H

6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 13H 13H 13H 14H 14H 14H

6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 13H 13H 14H 14H 14H

6H 6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 11H 12H 12H 12H 13H 13H

6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 11H 12H 12H 12H 13H 13H 13H

6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 13H 14H 14H

6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 14H 14H 14H 14H

6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 12H 12H 12H 13H 13H 14H 14H 14H

6H 6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 9H 10H 10H 11H 11H 11H 11H

6H 6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 10H 11H 11H 11H

6H 6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 10H 11H 11H

6H 6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 11H

6H 6H 7H 7H 8H 8H 9H 9H 10H 10H 11H 11H 11H

C-13

SleevesQUADRA-FLEX SleevesMartin flexible sleeve elements are offered in four material compounds (ThermoPlastic Rubber (TPR), EPDM, Neoprene, and Hytrel) available in three construction styles. Our EM sleeve offers the combination of EPDMs extended temperature range as well as the higher oil resistance which Neoprene provides. Types JEM JEMSType J sleeves are molded ThermoPlastic Rubber (TPR). Available in 1 piece solid (JEM), and 1 piece split, construction (JEMS). TPR material will handle higher temperature ranges as well as be oil resistant.

Type JEM

Type JEMS

Types EM E NType EM, E, and N sleeves are of two piece molded construction with Retaining Ring. They are available in ThermoPlastic Rubber (Type TPR), EPDM (Type E), or Neoprene (Type N). These can be used with any type flanges within a given size range.

Type EM, E, and N

Types H & HSMartinH & HS sleeves are molded Hytrel for higher torque loading than standard EM sleeves. H & HS sleeves cannot be used with style J and B flanges. Hytrel sleeves are not a direct replacement for TPR, EPDM, or Neoprene sleeves.

Type H

Type HS

Dimensions (Inches)Coupling Size D JEM JEMS Sleeves W Wt. (lb.) D EM Sleeves W Wt. (lb.) D E and N Sleeves EDPM and Hytrel W Wt. (lb.) D H & HS Sleeves Hytrel W Wt. (lb.)

3 4 5 6 7 8 9 10 11 12 13 14 16

178 2516 21516 334 41132 5116 6 7116

1 114 1916 178 2316 212 3 3716

.06 .10 .20 .40 .62 1.13 1.46 2.32

2516 21516 334 41132 5116 6 7116

114 1916 178 2316 212 3 3716

.11 .25 .49 .77 1.4 2.0 3.2

8316 9916 11316 13332 172932

4 41116 512 612 834

5.1 8.1 13.0 21.1 45.3

334 41132 5116 6 7116 8316 9916 11316 13332

178 2316 212 3 3716 4 41116 512 612

.44 .69 1.4 1.8 2.9 4.5 7.3 11.8 19.3

13 & 14 Hytrel available with HS sleeves only.

C-14

Type J FlangesQUADRA-FLEX Type J Flanges

QUADRA-FLEX Type J FlangesMartinType J Flanges are supplied bored to size with standard keyway and two setscrews to slip t on standard shafting.

Type J Flanges use the Martin JEM 1 Piece,the Martin JEMS 1 piece split and the Martin EM 2 piece split sleeves. (Note: Hytrel sleeves are not intended for use with this type of ange.)

Dimensions (Inches)Coupling Size C D E Dimensions G H L T X Weight (lbs.)5 Finished Bore Sizes (Inches) Max. Bore Millimeters

3J 4J 5J 6J

16 13 16 7 8 1116 1732 173213

2.062 2.062 2.460 3.250 4.000 4.000

16 7 16 7 16 15 32 19 32 19 327

8 3 8 5 8 3 4 7 8 7 83

114 112 158 178 11516 212

2 2 238 278 3516 3516

8 3 8 7 16 19 32 5 8 5 83

16 9 16 3 4 31 32 1332 13329

.26 .26 .47 .86 1.73 1.70

8 - 12 - 58 - 34 7 8 1 2 - 58 - 34 - 78 - 1516 - 1 1 2 - 58 - 34 - 78 - 1516 - 1 - 118 5 8 - 34 - 78 - 1516 - 1 118 - 1316 - 114 - 1383

4 7 8 1 118 1383

15

20

25

* Approximate weight for each ange. J anges can be rebored if necessary.

C-15

Type S FlangesQUADRA-FLEX Type S Couplings (Bored to Size)L G

Type S exible coupling anges are bored to size to t on any standard shaft. They are produced from high strength cast iron. Units are easy to install and remove and are stocked in a wide range of bore sizes as shown on the next page.

D

To Remove Sleeve

X

DimensionsCoupling Size Flange Diameter (D) Stock Bore (Inches) Rec. Max.5 Rec. Max.55 Hub Diameter (H) Hub (Inches) Length Thru (C) Hub Proj. (E) G L T X31 32 1332 3 1 32 1332 1516 112 112 134 134 2 2 238 238 238 238 21116 21116 21116 3116 3116 312 312 414

Weight (Lbs.)

5S 6S 7S 8S 9S 10S

11S

12S 13S 14S 16S

3.250 4.000 4.000 4.000 4.625 5.450 5.450 6.350 6.350 7.500 7.500 8.625 8.625 8.625 8.625 10.000 10.000 10.000 11.750 11.750 13.875 13.875 18.875

2 8 5 8 5 8 5 8 3 4 3 4 7 8 7 8 118 118 114 114 1


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