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1007
1007-1008_F19-02_EN_6th
- Pressure Angle 20°, Module 0.5 -Spur Gears
Q Shape A
When ordering, select Part Number and Values from Selection Steps1~6.
Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness - 5Gear Shape - 6Shaft Bore Dia.
GEAHBB0.5 - 20 - 3 - A - 5
TypeMMaterial SSurface Treatment
Straight Bore
GEAHBN
S45C Equivalent
-
GEAHBB Black Oxide
GEAHBG Electroless Nickel Plating
GEAHB Free-Cutting Brass Bar -
GEAHBS SUS304 Equivalent -
Shaft Bore SpecificationsStraight Bore
For details of alterations, refer to W P.1006. For alterations on tooth width, refer to D P.1023.
Precision Previous JIS B 1702 Class 4(New JIS B 1702-1 Class 8 Equivalent)
Part Number3Number of
Teeth4Thickness
B5Gear Shape
6Shaft Bore Dia PH7
1mm Increment
d Reference
Circle Diameter
D Reference
Circle Diameter
G Reference
Circle Diameter
*1 Allowable Transmission Force (N·m)
Bending Strength
1Type 2Module Straight Bore S45C Equiv. Free-Cutting Brass Bar SUS304 Equiv.
Straight BoreGEAHBNGEAHBBGEAHBGGEAHBGEAHBS
0.5
20
3
A
3~5 10 11 8.75 0.42 0.09 0.24
24
3~6, 6.35
12 13 10.75 0.54 0.12 0.31
25 12.5 13.5 11.25 0.58 0.13 0.33
28 14 15 12.75 0.68 0.15 0.39
30 15 16 13.75 0.74 0.16 0.42
32 16 17 14.75 0.80 0.17 0.46
36 18 19 16.75 0.94 0.20 0.54
40
2
20 21 18.75 0.72 0.16 0.41
45 22.5 23.5 21.25 0.83 0.18 0.48
48 24 25 22.75 0.90 0.20 0.51
50 25 26 23.75 0.95 0.21 0.54
60
5~12, 6.35
30 31 28.75 1.18 0.26
-
70 35 36 33.75 1.42 0.31
80 40 41 38.75 1.65 0.36
100 50 51 48.75 2.13 0.46
120 60 61 58.75 2.59 0.56
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, refer to D P.1006. Tooth width is calculated as 10mm.
OrderQuantity
Standard Service Non-Standard ServiceRegular Quantity Large Quantity Large Quantity
Quantity 1~29 30~50 51~Days to ship Standard +9 Days To be quoted
Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness
B - 5Gear Shape - 6Shaft
Bore Dia. - (etc)
GEAHB0.5 - 80 - 2 - A - 5 - KFC20-K3
Alterations Side Through Hole
Code KFC, KTC
Spec.
Machines through holes on the side surface. (KFC, KTC: 1mm Increment, K: 0.5mm Increment) EP+K+4≤KFC(KTC)≤G-K-4 <K Selection> K3.0~K6.0 <Ordering Code> KFC15-K3.5
4-K Through
KFC
3-K Through
KTC
Many variations for alterations are also available. DetailsW P.1006
6 PH7D d G
4B
6.3
A Shape5
+9 30~50
3e*for orders placed by THA: 12:30,
SGP&MYS: 13:30 d P.75
1008
CAD Data Folder Name: 19_Gears
When ordering, select Part Number and Values from Selection Steps1~6.
Part Number(1Type · 2Module) - 3Number of Teeth - 4Thickness B - 5Gear Shape - 6Shaft Bore Dia.
GEABB0.5 - 30 - 3 - B - 6
Q Shape K, B
TypeMMaterial SSurface
Treatment AAccessoryStraight Bore Straight Bore + Tap
GEAHBN GEABNS45C
Equivalent
-
Set Screw(*Except Straight Bore Type.)
GEAHBB GEABB Black Oxide
GEAHBG GEABG Electroless Nickel Plating
GEAHB GEAB Free-Cutting Brass Bar -
GEAHBS GEABS SUS304 Equiv. -
Shaft Bore SpecificationsStraight
Bore Straight
Bore + Tap
For details of alterations, refer to W P.1006.For alterations on tooth width and hub dimensions, refer to W P.1023.
EKeyway Dimension Details WP.1006EPositioning of keyway and teeth is not fixed.
EStraight Bore Type has neither tapped holes nor set screws.ESelectable Gear Shapes differ depending on the number of teeth. Check the spec. table.
Gear Shape
Precision Previous JIS B 1702 Class 4(New JIS B 1702-1 Class 8 Equivalent)
Part Number3Number
of Teeth4Thickness
B5GearShape
6Shaft Bore Dia PH71mm Increment d
Pitch CircleDiameter
DAddendum
CircleDiameter
GDedendum
CircleDiameter
H L L1 L2M
(Coarse)
*1 Allowable Transmission Force(N·m)
Bending Strength
1Type 2Module Straight Bore Hole + Tap
S45C Equiv.
Free-CuttingBrass Bar
SUS304 Equiv.
Straight BoreGEAHBNGEAHBBGEAHBGGEAHBGEAHBSStraight Bore + TapGEABNGEABBGEABGGEABGEABS
0.5
15
8 K
3~57.5 8.5 6.25
9
18 10 3
M3
0.72 0.16 0.41
16 8 9 6.75 0.79 0.17 0.45
18
3~6, 6.35
9 10 7.75 10 0.95 0.21 0.54
20 10 11 8.75 11 1.12 0.24 0.64
24
3
B
12 13 10.75
10
8
5 2.5
0.54 0.12 0.31
25 12.5 13.5 11.25 0.58 0.13 0.33
28 14 15 12.75 0.68 0.15 0.39
30 15 16 13.75 0.74 0.16 0.42
32 16 17 14.75 0.80 0.17 0.46
36 18 19 16.75 0.94 0.20 0.54
40
2
20 21 18.75
7
0.72 0.16 0.41
45 22.5 23.5 21.25 0.83 0.18 0.48
48 24 25 22.75 0.90 0.20 0.51
50 25 26 23.75 0.95 0.21 0.54
60
5~12, 6.35
30 31 28.75
-
1.18 0.26
-
70 35 36 33.75 1.42 0.31
80 40 41 38.75 1.65 0.36
100 50 51 48.75 2.13 0.46
120 60 61 58.75 2.59 0.56
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, refer to D P.1006. Tooth width is calculated as 10mm.
OrderQuantity
Standard Service Non-Standard ServiceRegular Quantity Large Quantity Large Quantity
Quantity 1~29 30~50 51~Days to ship Standard +9 Days To be quoted
Part Number (1Type · 2Module) - 3Number of Teeth - 4Thickness
B - 5Gear Shape - 6Shaft
Bore Dia. - (etc)GEAB0.5 - 50 - 2 - B - 6 - KC120
Alterations Set Screw Tapped Hole DimensionCode KC90, KC120 TPC
Spec. KC90: Adds another set screw at 90˚ position.KC120: Adds another set screw at 120˚ position.XNot applicable to Straight Bore
Type.
Changes the tapped hole dimension to M4.<Ordering Code> TPC4XNot applicable to
Straight Bore Type.
90° 120°
Many variations for alterations are also available. DetailsW P.1006
6.3D
4B
d G 6 PH7 H
L
M*L1
L2
K Shape5
6.3 6 PH7 HD d G
4B
LM
l1
l2
*B Shape5
+9 30~50
3e*for orders placed by THA: 12:30,
SGP&MYS: 13:30 d P.75