JIS B 2401-1 series(Static/Dynamic application) JIS ... · g w r r0.1～r0.2 0°～5° r r0.1～r0.2 0°～5° g w r r0.1～r0.2 0°～5° r r0.1～r0.2 0°～5° g φd g w 90 ＋

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

22 23

CO 00000CO 00001CO 00002CO 00003CO 00004

CO 00005CO 00006CO 00007

CO 00008CO 00009CO 00010CO 00011CO 00012

CO 00013CO 00014CO 00015CO 00016CO 00017

CO 00018CO 00020

CO 00019CO 00021CO 00022CO 00023CO 00024

CO 00025CO 00026CO 00027CO 00028CO 00029

CO 00030CO 00031CO 00032CO 00033CO 00034

CO 00035CO 00036CO 00037CO 00038CO 00039

CO 00040CO 00041CO 00042CO 00043CO 00044

CO 00046

P 3P 4P 5P 6P 7

P 8P 9P 10

P 10AP 11P 11.2P 12P 12.5

P 14P 15P 16P 18P 20

P 21P 22

P 22AP 22.4P 24P 25P 25.5

P 26P 28P 29P 29.5P 30

P 31P 31.5P 32P 34P 35

P 35.5P 36P 38P 39P 40

P 41P 42P 44P 45P 46

P 48

OR □P 3 -NOR □P 4 -NOR □P 5 -NOR □P 6 -NOR □P 7 -N

OR □P 8 -NOR □P 9 -NOR □P 10 -N

OR □P 10A -NOR □P 11 -NOR □P 11.2 -NOR □P 12 -NOR □P 12.5 -N

OR □P 14 -NOR □P 15 -NOR □P 16 -NOR □P 18 -NOR □P 20 -N

OR □P 21 -NOR □P 22 -N

OR □P 22A -NOR □P 22.4 -NOR□P 24 -NOR □P 25 -NOR □P 25.5 -N

OR □P 26 -NOR □P 28 -NOR □P 29 -NOR □P 29.5 -NOR □P 30 -N

OR □P 31 -NOR □P 31.5 -NOR □P 32 -NOR □P 34 -NOR □P 35 -N

OR □P 35.5 -NOR □P 36 -NOR □P 38 -NOR □P 39 -NOR □P 40 -N

OR □P 41 -NOR □P 42 -NOR□P 44 -NOR □P 45 -NOR □P 46 -N

OR □P 48 -N

1.9±0.08

2.4±0.09

3.5±0.1

Max. 0.10

Max. 0.12

Max. 0.14

2.8 3.8 4.8 5.8 6.8

7.8 8.8 9.8

9.8 10.8 11.0 11.8 12.3

13.8 14.8 15.8 17.8 19.8

20.8 21.8

21.7 22.1 23.7 24.7 25.2

25.7 27.7 28.7 29.2 29.7

30.7 31.2 31.7 33.7 34.7

35.2 35.7 37.7 38.7 39.7

40.7 41.7 43.7 44.7 45.7

47.7

±0.14±0.15

±0.16

±0.17

±0.18

±0.19

±0.20±0.21±0.22

±0.23

±0.24

±0.25

±0.26±0.28

±0.29

±0.30±0.31±0.33

±0.34

±0.37

±0.38±0.39±0.41±0.42

±0.44

±0.21±0.22

±0.24

±0.25

±0.27

±0.28

±0.30±0.31±0.33

±0.34

±0.36

±0.37

±0.39±0.42

±0.43

±0.45±0.46±0.49

±0.51

±0.55

±0.57±0.58±0.61±0.63

±0.66

±0.16±0.18

±0.19

±0.20

±0.21

±0.22

±0.24±0.25±0.26

±0.27

±0.28

±0.30

±0.31±0.33

±0.34

±0.36±0.37±0.39

±0.40

±0.44

±0.45±0.46±0.49±0.50

±0.52

3 4 5 6 7

8 9 10

10 11 11.2 12 12.5

14 15 16 18 20

21 22

22 22.4 24 25 25.5

26 28 29 29.5 30

31 31.5 32 34 35

35.5 36 38 39 40

41 42 44 45 46

48

0 −0.05

0 −0.06

0 −0.08

6789

10

111213

6.27.28.29.2

10.2

11.212.213.2

＋0.05 0

＋0.06 0

＋0.08 0

2.5

3.2

4.7

3.9

4.4

6.0

5.4

6.0

7.8

1.4

1.8

2.7

0.4

0.4

0.8

0.05

0.05

0.08

A

A

A

B

B

B

C

C

C

L

L

L

S8R3S7T8T7

U2Q5U8

X8X0U2V8Q0

X0U2V8T8R6

S5U3

U3G0U2Q0G0

N5U2U3G0S0

U3U2U3R0R0

U2U3Q0U2W0

U3U2U2P3U3

X0

Dimension d Dimension D1, D2 Dimension H Dimension R Maximum misalignment(TIR)

of center D and center d for dynamic

or cylindricalapplication

Dimension G (tolerance +0.25) 0

D1 D2d Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup

ringsH±0.05 Maximum value

Groove dimension (according to JIS specification)

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application

No backup ring

One side backup ring(only dynamic, cylindrical

static application)

Both sides backup rings(only dynamic, cylindrical

static application)

External pressure

Internal pressure

(unit: mm)

■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.

　Example 1) In the case of O-Ring ID of 4.8, its thickness of 1.9 and its material of NBR-70-1,

　・JIS dimension identification code: OR NBR-70-1 P5-N　・NOK code: CO 00002 A　Example 2) In the case of O-Ring ID of 4.8, its thickness of

1.9 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P5-N　・NOK code: CO 00002 S7

■JIS dimension identification code:　 Type + material specification + 　　

Dimension specification + Appearance grade

■ Old JASO specification has the same dimension series. It also has materials mentioned below:

Please see Page 46 - 53 in details. ・Class 3 (SBR) ・Class 4E (ACM) ・Class 5 (EPDM) ・Material H (H-NBR)

(Note) Chamfer according to NOK recommendation

14 15 15.2 16 16.5

18 19 20 22 24

25 26

28 28.4 30 31 31.5

32 34 35 35.5 36

37 37.5 38 40 41

41.5 42 44 45 46

47 48 50 51 52

54

(Extrusion clearance: refer to Figure 1-3 on Page 15)

NOK code

Material code Tolerance of inside diameter ‘d0’

JIS dimension identification code

TypeDimension

code

ThicknessW

(Reference)Old JIS callout number

Inside diameter

d0

O-Ring dimension

←□: put material

code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）

NBR-70-1Class 1AA305

NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

JIS B 2401-1 P series (Static/Dynamic application)Material

JIS symbol NBR-70-1 NBR-90 NBR-70-2 VMQ-70 FKM-70Old JIS symbol Class 1A Class 1B Class 2 Class 4C Class 4DNOK symbol A305 A105 A122 S503 F201

P se

ries

P se

ries

**Example: OR NBR-70-1 P3-N, OR FKM-70 P3-N

24 25

CO 00047CO 00049

CO 00045CO 00048CO 00050CO 00051CO 00052

CO 00053CO 00054CO 00055CO 00056CO 00057

CO 00058CO 00059CO 00060CO 00061CO 00062

CO 00063CO 00064CO 00065CO 00066CO 00067

CO 00068CO 00069CO 00070CO 00071CO 00072

CO 00073CO 00074CO 00075CO 00076CO 00077

CO 00078CO 00079CO 00081

CO 00080CO 00082

CO 00083CO 00084CO 00085CO 00086CO 00087

CO 00088CO 00089CO 00090CO 00091

P 49P 50

P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155

P 160P 165P 170P 175P 180

P 185P 190P 195P 200

4.7

7.5

11.0

6.0

9.0

13.0

7.8

11.5

17.0

2.7

4.6

6.9

0.8

0.8

1.2

0.08

0.10

0.12

A

A

A

B

B

B

C

C

C

L

L

L

O0Q5

G0U3U3G0U3

U3G0U3U3H0

H0U3O0U3U3

Q0G0U3U3T0

U3U3U3G0U3

U3U3T0U3U3

U3U3S0

U3U3

G0G0U3G0P0

U3U3G0G0

55 56

58 60 62 63 65

66 68 70 72 73

75 77 80 81 85

90 95 100 105 110

112 115 120 122 125

130 135 140 142 145

150 155 160

165 170

175 180 185 190 195

200 205 210 215

3.5±0.1

5.7±0.13

8.4±0.15

48.7 49.7

47.6 49.6 51.6 52.6 54.6

55.6 57.6 59.6 61.6 62.6

64.6 66.6 69.6 70.6 74.6

79.6 84.6 89.6 94.6 99.6

101.6 104.6 109.6 111.6 114.6

119.6 124.6 129.6 131.6 134.6

139.6 144.6 149.6

149.5 154.5

159.5 164.5 169.5 174.5 179.5

184.5 189.5 194.5 199.5

±0.45

±0.44±0.45±0.47±0.48±0.49

±0.50±0.52±0.53±0.55±0.56

±0.57±0.59±0.61±0.62±0.65

±0.69±0.73±0.77±0.81±0.84

±0.85±0.87±0.91±0.92±0.94

±0.98±1.01±1.05±1.06±1.09

±1.12±1.16±1.19

±1.19±1.23

±1.26±1.30±1.33±1.37±1.40

±1.44±1.48±1.51±1.55

±0.67

±0.66±0.67±0.70±0.72±0.73

±0.75±0.78±0.79±0.82±0.84

±0.85±0.88±0.91±0.93±0.97

±1.03±1.09±1.15±1.21±1.26

±1.27±1.30±1.36±1.38±1.41

±1.47±1.51±1.57±1.59±1.63

±1.68±1.74±1.78

±1.78±1.84

±1.89±1.95±1.99±2.05±2.10

±2.16±2.22±2.26±2.32

±0.54

±0.52±0.54±0.56±0.57±0.58

±0.60±0.62±0.63±0.66±0.67

±0.68±0.70±0.73±0.74±0.78

±0.82±0.87±0.92±0.97±1.00

±1.02±1.04±1.09±1.10±1.12

±1.17±1.21±1.26±1.27±1.30

±1.34±1.39±1.42

±1.42±1.47

±1.51±1.56±1.59±1.64±1.68

±1.72±1.77±1.81±1.86

49 50

48 50 52 53 55

56 58 60 62 63

65 67 70 71 75

80 85 90 95 100

102 105 110 112 115

120 125 130 132 135

140 145 150

150 155

160 165 170 175 180

185 190 195 200

0 −0.08

0 −0.10

0 −0.10

＋0.08 0

＋0.10 0

＋0.10 0

No backup ring


static application)


static application)

(unit: mm)

OR □OR □

OR □OR □OR □OR □OR □






OR □OR □OR □

OR □OR □


OR □OR □OR □OR □

Max. 0.14

Max. 0.16

Max. 0.18

P 49P 50

P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155

P 160P 165P 170P 175P 180

P 185P 190P 195P 200

-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N

-N-N

-N-N-N-N-N

-N-N-N-N

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G




External pressure

Internal pressure

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)





D1, D2d Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup


Groove dimension (according to JIS specification)NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201




3.5 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P49-N　・NOK code: CO 00047 O0



P se

ries

P se

ries

**Example: OR NBR-70-1 P49-N, OR FKM-70 P49-N



G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

26 27

CO 00092CO 00093CO 00094CO 00095CO 00096

CO 00097CO 00098CO 00099CO 00100CO 00101

CO 00102CO 00103CO 00104CO 00105CO 00106

CO 00107CO 00108CO 00109CO 00110CO 00111

CO 00112CO 02147*CO 08835*CO 00113CO 00114

CO 08836*CO 07645*CO 00115CO 00116CO 08837*

CO 06615*CO 00117CO 00118CO 06630*CO 08838*

CO 00119CO 02274*CO 00120CO 06650*CO 08839*

CO 00121CO 02311*CO 06663*CO 02337*CO 08840*

CO 02359*CO 02371*

P 205P 209P 210P 215P 220

P 225P 230P 235P 240P 245

P 250P 255P 260P 265P 270

P 275P 280P 285P 290P 295

P 300P 305*P 310*P 315P 320

P 325*P 330*P 335P 340P 345*

P 350*P 355P 360P 365*P 370*

P 375P 380*P 385P 390*P 395*

P 400P 405*P 410*P 415*P 420*

P 425*P 430*

A

B

—

B

—

B

—

B—

B—B—

B

—

C

—

C

—

C

—

C—

C—C—

C

—

L

—

L

—

L

—

L—

L—L—

L

—

G0O0H0G0U3

G0U3U3H0U3

G0G0U3G0G0

G0G0N0N0G0

N0G0O0G0

G0G0N0

G0

G0

G0

G0G0G0G0

G0

G0

220 224 225 230 235

240 245 250 255 260

265 270 275 280 285

290 295 300 305 310

315 320 325 330 335

340 345 350 355 360

365 370 375 380 385

390 395 400 405 410

415 420 425 430 435

440 445

8.4±0.15

204.5 208.5 209.5 214.5 219.5

224.5 229.5 234.5 239.5 244.5

249.5 254.5 259.5 264.5 269.5

274.5 279.5 284.5 289.5 294.5

299.5 304.5 309.5 314.5 319.5

324.5 329.5 334.5 339.5 344.5

349.5 354.5 359.5 364.5 369.5

374.5 379.5 384.5 389.5 394.5

399.5 404.5 409.5 414.5 419.5

424.5 429.5

±1.58±1.61±1.62±1.65±1.68

±1.71±1.75±1.78±1.81±1.84

±1.88±1.91±1.94±1.97±2.01

±2.04±2.07±2.10±2.14±2.17

±2.20±2.24±2.27±2.30±2.33

±2.36±2.39±2.42±2.45±2.48

±2.51±2.54±2.57±2.60±2.63

±2.67±2.70±2.73±2.77±2.79

±2.82

±3.00

±2.37±2.41±2.43±2.47±2.52

±2.56±2.62±2.67±2.71±2.76

±2.82±2.86±2.91±2.95±3.01

±3.06±3.10±3.15±3.21±3.25

±3.30——

±3.45±3.49

——

±3.63±3.67

—

—±3.81±3.85

——

±4.00—

±4.09——

±4.23

—

±1.89±1.93±1.94±1.98±2.01

±2.05±2.10±2.13±2.17±2.20

±2.25±2.29±2.32±2.36±2.41

±2.44±2.48±2.52±2.56±2.60

±2.64±2.69±2.72±2.76±2.79

±2.83±2.87±2.90±2.94±2.98

±3.01±3.04±3.08±3.12±3.16

±3.20±3.24±3.27±3.32±3.35

±3.38

±3.60

205 209 210 215 220

225 230 235 240 245

250 255 260 265 270

275 280 285 290 295

300 305 310 315 320

325 330 335 340 345

350 355 360 365 370

375 380 385 390 395

400 405 410 415 420 425 430

0 −0.10

11.0 13.0 17.0 6.9 1.2 0.12

＋ 0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 P205-N, OR FKM-70 P205-N

No backup ring


static application)


static application)

(unit: mm)










OR □OR □

P 205P 209P 210P 215P 220

P 225P 230P 235P 240P 245

P 250P 255P 260P 265P 270

P 275P 280P 285P 290P 295

P 300P 305P 310P 315P 320

P 325P 330P 335P 340P 345

P 350P 355P 360P 365P 370

P 375P 380P 385P 390P 395

P 400P 405P 410P 415P 420

P 425P 430

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N*-N*-N-N

-N*-N*-N-N-N*

-N*-N-N-N*-N*

-N-N*-N-N*-N*

-N-N*-N*-N*-N*

-N*-N*

Max. 0.18

Max. 0.18




External pressure

Internal pressure


NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201






backup ring

One side backup

ring

Both sides backup






8.4 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P205-N　・NOK code: CO 00092 G0




・Class 3 (SBR) ・Class 4E (ACM) ・Class 5 (EPDM) ・Material H (H-NBR)

P se

ries

P se

ries

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

28 29

CO 02383*CO 08841*CO 06681*CO 08842*

CO 02433*CO 08843*CO 02453*CO 08844*CO 08845*

CO 06734*CO 09165*DO 09015*DO 09016*CO 09057*

P 435*P 440*P 445*P 450*

P 455*P 460*P 465*P 470*P 475*

P 480*P 485*P 490*P 495*P 500*

A — — —

G0G0G0G0

G0G0H0G0G0

G0G0G0G0G0

450 455 460 465

470 475 480 485 490

495 500 505 510 515

8.4±0.15

434.5 439.5 444.5 449.5

454.5 459.5 464.5 469.5 474.5

479.5 484.5 489.5 494.5 499.5

±3.00

±3.30

—

—

±3.60

±4.00

435 440 445 450

455 460 465 470 475

480 485 490 495 500

0 −0.10

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 P435-N, OR FKM-70 P435-N

11.0 13.0 17.0 6.9 1.2 0.12 ＋ 0.10 0

No backup ring


static application)


static application)

(unit: mm)

OR □OR □OR □OR □



P 435P 440P 445P 450

P 455P 460P 465P 470P 475

P 480P 485P 490P 495P 500

-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

Max. 0.18

Max. 0.18


External pressure

Internal pressure




NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201






backup ring

One side backup

ring

Both sides backup






8.4 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P435-N　・NOK code: CO 02383 G0



P se

ries

P se

ries



WW

ff

d0

Dφd

φ

Dφd

φG

G

30 31

CO 00200CO 00201CO 00202CO 00203CO 00204

CO 00205CO 00206CO 00207CO 00208CO 00209

CO 00210CO 00211CO 00212CO 00213CO 00214

CO 00215CO 00216CO 00217CO 00218CO 00219

CO 00220CO 00221CO 00222CO 00223CO 00224

CO 00225CO 00226CO 00227CO 00228CO 00229

CO 00230CO 00231CO 00232CO 00233CO 00234

CO 00235CO 01968*CO 00236CO 03303*CO 00237

CO 02011*CO 00238CO 02031*CO 00239CO 02060*

CO 00240CO 02079*CO 00241

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 205*G 210G 215*G 220

G 225*G 230G 235*G 240G 245*

G 250G 255*G 260

A

A

B

B

—B—B—B—B—

B—B

C

C

—C—C—C—C—

C—C

L

L

—L—L—L—L—

L—L

R6U0U2U2U2

U0R8U0Q6U2

U2U2Q1U2U2

U2U2U2U2R0

U2U2U2X0U2

U3U3U3U3U3

U3W0U3U3U3

U3H0V0O0U3

P0U3O0U3G0

U3H0U3

3035404550

5560657075

80859095

100

105110115120125

130135140145150

160165170175180

185190195200205

210215220225230

235240245250255

260265270

3.1±0.1

5.7±0.13

24.429.434.439.444.4

49.454.459.464.469.4

74.479.484.489.494.4

99.4104.4109.4114.4119.4

124.4129.4134.4139.4144.4

149.3154.3159.3164.3169.3

174.3179.3184.3189.3194.3

199.3204.3209.3214.3219.3

224.3229.3234.3239.3244.3

249.3254.3259.3

±0.25±0.29±0.33±0.37±0.41

±0.45±0.49±0.53±0.57±0.61

±0.65±0.69±0.73±0.77±0.81

±0.85±0.87±0.91±0.94±0.98

±1.01±1.05±1.08±1.12±1.16

±1.19±1.23±1.26±1.30±1.33

±1.37±1.40±1.44±1.47±1.51

±1.55±1.58±1.61±1.65±1.68

±1.71±1.73±1.78±1.81±1.85

±1.88±1.91±1.94

±0.37±0.43±0.49±0.55±0.61

±0.67±0.73±0.79±0.85±0.91

±0.97±1.03±1.09±1.15±1.21

±1.27±1.30±1.36±1.41±1.47

±1.51±1.57±1.62±1.68±1.74

±1.78±1.84±1.89±1.95±1.99

±2.05±2.10±2.16±2.20±2.26

±2.32—

±2.41—

±2.52—

±2.59—

±2.71—

±2.82—

±2.91

±0.30±0.34±0.39±0.44±0.49

±0.54±0.58±0.63±0.68±0.73

±0.78±0.82±0.87±0.92±0.97

±1.02±1.04±1.09±1.12±1.17

±1.21±1.26±1.29±1.34±1.39

±1.42±1.47±1.51±1.56±1.59

±1.64±1.68±1.72±1.76±1.81

±1.86±1.90±1.93±1.98±2.01

±2.05±2.07±2.14±2.17±2.22

±2.25±2.29±2.32

2530354045

5055606570

7580859095

100105110115120

125130135140145

150155160165170

175180185190195

200205210215220

225230235240245

250255260

0 −0.10

0 −0.10

4.1

7.5

5.6

9.0

7.3

11.5

2.4

4.6

0.7

0.8

0.08

0.10

＋0.10 0

＋0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 G25-N, OR FKM-70 G25-N

No backup ring


static application)


static application)

(unit: mm)










OR □OR □OR □

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 205G 210G 215G 220

G 225G 230G 235G 240G 245

G 250G 255G 260

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N*-N-N*-N

-N*-N-N*-N-N*

-N-N*-N

Max. 0.12

Max. 0.16

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用Dφ

G

H

内圧用(Note) Chamfer according to

NOK recommendation

External pressure

Internal pressure

O-Ring dimension Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)

JIS B 2401-1 G series (Static application) Material


NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)




Dd Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup





　・JIS dimension identification code: OR NBR-70-1 G25-N　・NOK code: CO 00200 A　Example 2) In the case of O-Ring ID of 24.4, its thickness of

3.1 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 G25-N　・NOK code: CO 00200 R6



G s

erie

s

G s

erie

s



WW

ff

d0

Dφd

φ

Dφd

φG

G

32 33

CO 06543*CO 00242CO 02100*CO 00243CO 03210*

CO 00244CO 06566*CO 00245DO 01137*CO 02158*

CO 08811*CO 02176*CO 08812*CO 08813*CO 08814*

CO 02206*CO 02216*CO 02223*CO 08815*CO 02244*

CO 08816*CO 08817*CO 08818*CO 02272*CO 08819*

CO 02287*CO 08820*CO 02301*CO 08821*CO 08822*

CO 02336*CO 08823*CO 02358*CO 08824*CO 08825*

CO 08826*CO 08827*CO 02417*CO 08828*CO 02441*

CO 06715*CO 02460*CO 08829*CO 08830*CO 08831*

CO 08832*CO 08833*CO 08834*

G 265*G 270G 275*G 280G 285*

G 290G 295*G 300G 305*G 310*

G 315*G 320*G 325*G 330*G 335*

G 340*G 345*G 350*G 355*G 360*

G 365*G 370*G 375*G 380*G 385*

G 390*G 395*G 400*G 405*G 410*

G 415*G 420*G 425*G 430*G 435*

G 440*G 445*G 450*G 455*G 460*

G 465*G 470*G 475*G 480*G 485*

G 490*G 495*G 500*

A

—B—B—

B—B

—

—C—C—

C—C

—

—L—L—

L—L

—

H0U3H0U3H0

U3P0U3

G0

275280285290295

300305310315320

325330335340345

350355360365370

375380385390395

400405410415420

425430435440445

450455460465470

475480485490495

500505510

5.7±0.13

264.3269.3274.3279.3284.3

289.3294.3299.3304.3309.3

314.3319.3324.3329.3334.3

339.3344.3349.3354.3359.3

364.3369.3374.3379.3384.3

389.3394.3399.3404.3409.3

414.3419.3424.3429.3434.3

439.3444.3449.3454.3459.3

464.3469.3474.3479.3484.3

489.3494.3499.3

±1.98±2.01±2.04±2.07±2.11

±2.14±2.17±2.20±2.24±2.27

±2.30±2.33±2.36±2.39±2.42

±2.45±2.48±2.51±2.54±2.57

±2.60±2.63±2.67±2.70±2.73

±2.77±2.79±2.82

±3.00

±3.30

—±3.01

—±3.10

—

±3.21—

±3.30

—

±2.38±2.41±2.45±2.48±2.53

±2.56±2.60±2.64±2.69±2.72

±2.76±2.80±2.83±2.87±2.90

±2.94±2.98±3.01±3.05±3.08

±3.12±3.16±3.20±3.24±3.28

±3.32±3.35±3.38

±3.60

±4.00

265270275280285

290295300305310

315320325330335

340345350355360

365370375380385

390395400405410

415420425430435

440445450455460

465470475480485

490495500

0 − 0.10 7.5 9.0 11.5 4.6 0.8 0.10

＋ 0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 G265-N, OR FKM-70 G265-N

(unit: mm)










OR □OR □OR □

G 265G 270G 275G 280G 285

G 290G 295G 300G 305G 310

G 315G 320G 325G 330G 335

G 340G 345G 350G 355G 360

G 365G 370G 375G 380G 385

G 390G 395G 400G 405G 410

G 415G 420G 425G 430G 435

G 440G 445G 450G 455G 460

G 465G 470G 475G 480G 485

G 490G 495G 500

-N*-N-N*-N-N*

-N-N*-N-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*

Max. 0.16

Max. 0.16

Max. 0.16

No backup ring


static application)


static application)G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用Dφ

G

H

内圧用(Note) Chamfer according to

NOK recommendation

External pressure

Internal pressure

O-Ring dimension Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)

NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)



Dimension G (tolerance +0.25)0

Dd Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup



JIS B 2401-1 G series (Static application)Material


■ When ordering, please indicate both ①JIS dimensionidentification code and ②NOK code.Example 1) In the case of O-Ring ID of 264.3, its thickness of

5.7 and its material of NBR-70-1,・JIS dimension identification code: OR NBR-70-1 G265-N・NOK code: CO 06543 A

　Example 2) In the case of O-Ring ID of 264.3, its thickness of 5.7 and its material of FKM-70,

・JIS dimension identification code: OR FKM-70 G265-N・NOK code: CO 06543 H0

G s

erie

s

G s

erie

s

■JIS dimension identification code: Type + material specification +Dimension specification + Appearance grade

■ Old JASO specification has the samedimension series. It also has materialsmentioned below:Please see Page 46 - 53 in details.・Class 3 (SBR)・Class 4E (ACM)・Class 5 (EPDM)・Material H (H-NBR)

37

1524344055

7085

100120150

175

225275325380430

480530585640690

740790845950

1055

＋1.0　0

＋1.5　0

＋2.0　0

2534445065

8095

110130160

185

241291341396446

504554609664714

764814869974

1079

5.0

8.0

12.0

3.0

4.5

7.0

Dimension G1

Tolerance G1

Dimension G2

G ＋0.1 　0 S 　0 −0.2

O-Ring dimension

JIS B 2401-1 V series (Vacuum flange application)Material

JIS symbol NBR-70-1 FKM-70Old JIS symbol Class 1A Class 4D

NOK symbol A305 F201

NOK code

Material code


TypeDimension

code

CO 00300CO 00301CO 00302CO 00303CO 00304

CO 00305CO 00306CO 00307CO 00308CO 00309

CO 00310

CO 00311CO 00312CO 00313CO 00314CO 00315

CO 00316CO 00317CO 00318CO 00319CO 00320

CO 00321CO 00322CO 00323CO 00324CO 00325

V 15V 24V 34V 40V 55

V 70V 85V 100V 120V 150

V 175

V 225V 275V 325V 380V 430

V 480V 530*V 585*V 640*V 690*

V 740*V 790*V 845*V 950*V1055*

OR □V 15 -NOR □V 24 -NOR □V 34 -NOR □V 40 -NOR □V 55 -N


OR □V 175 -N


OR □V 480 -NOR □V 530 -N*OR □V 585 -N*OR □V 640 -N*OR □V 690 -N*

OR □V 740 -N*OR □V 790 -N*OR □V 845 -N*OR □V 950 -N*OR □V 1055-N*

4.0±0.1

6.0±0.15

10.0±0.3

Max. 0.14

Max. 0.16

Max. 0.18

14.5 23.5 33.5 39.5 54.5

69.0 84.0 99.0

119.0 148.5

173.0

222.5 272.0 321.5 376.0 425.5

475.0 524.5 579.0 633.5 683.0

732.5782.0836.5940.5

1044.0

±0.20±0.24±0.33±0.37±0.49

±0.61±0.72±0.83±0.97±1.18

±1.36

±1.70±2.02±2.34±2.68±2.99

±3.30±3.60±3.92±4.24±4.54

±4.83±5.12±5.44±6.06±6.67

±0.24±0.28±0.39±0.44±0.58

±0.73±0.86±0.99±1.16±1.41

±1.63

±2.04±2.42±2.80±3.21±3.58

±3.96±4.32±4.70±5.08±5.44

±5.79±6.14±6.52±7.27±8.00

ThicknessW


code left **


Inside diameter

d0

Burr dimension

f


FKM-70

Class 4DF201

A

A

A

U3G0G0G0G0

H0G0H0U3U3

P0

U3G0G0G0P0

G0Q0

G0

A305（NBR

-70-1）

F201（FKM

-70）

O-Ring dimension Flange Groove dimension (according to JIS specification)

(unit: mm)

WW

f

f

d0

G1φG2φ

G

S

*For this code , equivalent to JIS B 2401-1 V Series.**Example: OR NBR-70-1 V15-N, OR FKM-70 V15-N

V se

ries

■ When ordering, please indicate both ①JIS dimensionidentification code and ②NOK code.Example) In the case of O-Ring ID of 99.0, its thickness of

4.0 and its material of NBR-70-1,・JIS dimension identification code: OR NBR-70-1 V100-N・NOK code: CO 00307 A

■JIS dimension identification code: Type + material specification +Dimension specification + Appearance grade

Tolerance of inside diameter ‘d0’

Documents

JIS B 2401-1 series(Static/Dynamic application) JIS ... · g w r r0.1～r0.2 0°～5° r r0.1～r0.2 0°～5° g w r r0.1～r0.2 0°～5° r r0.1～r0.2 0°～5° g φd g w 90 ＋