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O-Ring JIS B 2401 - G Series (Static application) (Part Numbers)

O-Ring JIS B 2401 - G Series (Static application)
The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
[Feature]
● Inner Diameter Minimum/ Maximum (mm.) : 24.4 to 499.3
● Thickness (mm.) : 3.1 and 5.7
● Applications Environment : Heat Resistant or Mineral Oil Resistant
● Material : Nitrile Rubber, Silicone Rubber and Fluoro Rubber
[Application]
O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between two components

(i)Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Part Number

Configured Part Number is shown.

Drawing/Specifications
Part Numbers
Catalog

Dimension

O-Ring dimension

Cylindrical static aplication Internal pressure External pressure

No backup ring One side backup ring Both sides backup rings
(only dynamic, cllindrical static application) (only dynamic, cylindrical static application)

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

Specification Table

☆ For this code, only meterial A305 or F201 is available.

Product Code

JIS dimension identification code

O-Ring dimension

Type
Dimension
Code

Material code

←
□:put material

code left**

(Reference)
Old JIS
Callout
number

Thickness
W

Inside Diameter
d0

Tolerance of inside diameter 'd0'

Burr
dimension
f

NBR-70-1

NBR-
90

NBR-70-2

VMQ-
70

FMK-
70

A305
(NBR-70-1)
A105
(NBR-90)
A122
(NBR-70-2)

S503
(VMQ-70)

F201
(FKM-70)

Class 1A
A305

Class 1B
A105

Class
2
A122

Class 4C
S503

Class 4D
F201

CO00200

OR □
G25-N

G25

3.1±0.1

24.4

±0.25

±0.37

±0.30

Max. 0.12

CO00201

OR □
G30-N

G30

29.4

±0.29

±0.43

±0.34

CO00202

OR □
G35-N

G35

34.4

±0.33

±0.49

±0.39

CO00203

OR □
G40-N

G40

39.4

±0.37

±0.55

±0.44

CO00204

OR □
G45-N

G45

44.4

±0.41

±0.61

±0.49

CO00205

OR □
G50-N

G50

49.4

±0.45

±0.67

±0.54

CO00206

OR □
G55-N

G55

54.4

±0.49

±0.73

±0.58

CO00207

OR □
G60-N

G60

59.4

±0.53

±0.79

±0.63

CO00208

OR □
G65-N

G65

64.4

±0.57

±0.85

±0.68

CO00209

OR □
G70-N

G70

69.4

±0.61

±0.91

±0.73

CO00210

OR □
G75-N

G75

74.4

±0.65

±0.97

±0.78

CO00211

OR □
G80-N

G80

79.4

±0.69

±1.03

±0.82

CO00212

OR □
G85-N

G85

84.4

±0.73

±1.09

±0.87

CO00213

OR □
G90-N

G90

89.4

±0.77

±1.15

±0.92

CO00214

OR □
G95-N

G95

94.4

±0.81

±1.21

±0.97

CO00215

OR □
G100-N

G100

99.4

±0.85

±1.27

±1.02

CO00216

OR □
G105-N

G105

104.4

±0.87

±1.30

±1.04

CO00217

OR □
G110-N

G110

109.4

±0.91

±1.36

±1.09

CO00218

OR □
G115-N

G115

114.4

±0.94

±1.41

±1.12

CO00219

OR □
G120-N

G120

119.4

±0.98

±1.47

±1.17

CO00220

OR □
G125-N

G125

124.4

±1.01

±1.51

±1.21

CO00221

OR □
G130-N

G130

129.4

±1.05

±1.57

±1.26

CO00222

OR □
G135-N

G135

134.4

±1.08

±1.62

±1.29

CO00223

OR □
G140-N

G140

139.4

±1.12

±1.68

±1.34

CO00224

OR □
G145-N

G145

144.4

±1.16

±1.74

±1.39

CO00225

OR □
G150-N

G150

5.7±0.13

149.3

±1.19

±1.78

±1.42

Max. 0.16

CO00226

OR □
G155-N

G155

154.3

±1.23

±1.84

±1.47

CO00227

OR □
G160-N

G160

159.3

±1.26

±1.89

±1.51

CO00228

OR □
G165-N

G165

164.3

±1.30

±1.95

±1.56

CO00229

OR □
G170-N

G170

169.3

±1.33

±1.99

±1.59

CO00230

OR □
G175-N

G175

174.3

±1.37

±2.05

±1.64

CO00231

OR □
G180-N

G180

179.3

±1.40

±2.10

±1.68

CO00232

OR □
G185-N

G185

184.3

±1.44

±2.16

±1.72

CO00233

OR □
G190-N

G190

189.3

±1.47

±2.20

±1.76

CO00234

OR □
G195-N

G195

194.3

±1.51

±2.26

±1.81

CO00235

OR □
200G-N

G200

199.3

±1.55

±2.32

±1.86

CO01968☆

OR □
G205-N☆

G205☆

204.3

±1.58

±1.90

CO00236

OR □
G210-N

G210

209.3

±1.61

±2.41

±1.93

CO03303☆

OR □
G215-N☆

G215☆

214.3

±1.65

±1.98

CO00237

OR □
G220-N

G220

219.3

±1.68

±2.52

±2.01

CO02011☆

OR □
G225-N

G225☆

224.3

±1.71

±2.05

CO00238

OR □
G230-N

G230

229.3

±1.73

±2.59

±2.07

CO02031☆

OR □
G235-N☆

G235☆

234.3

±1.78

±2.14

CO00239

OR □
G240-N

G240

239.3

±1.81

±2.71

±2.17

CO02060☆

OR □
G245-N☆

G245☆

244.3

±1.85

±2.22

CO00240

OR □
G250-N

G250

249.3

±1.88

±2.82

±2.25

CO02079☆

OR □
G255-N☆

G255☆

254.3

±1.91

±2.29

CO00241

OR □
G260-N

G260

259.3

±1.94

±2.91

±2.32

CO06543☆

OR □
G265-N☆

G265☆

264.3

±1.98

±2.38

CO00242

OR □
G270-N

G270

269.4

±2.01

±3.01

±2.41

CO02100☆

OR □
G275-N☆

G275☆

274.3

±2.04

±2.45

CO00243

OR □
G280-N

G280

279.3

±2.07

±3.10

±2.48

CO03210☆

OR □
G285-N☆

G285☆

284.3

±2.11

±2.53

CO00244

OR □
G290-N

G290

289.3

±2.14

±3.21

±2.56

CO06566☆

OR □
G295-N

G295☆

294.3

±2.17

±2.60

CO00245

OR □
G300-N

G300

299.3

±2.20

±3.30

±2.64

CO01137☆

OR □
G305-N☆

G305☆

304.3

±2.24

±2.69

CO02158☆

OR □
G310-N☆

G310☆

309.3

±2.27

±2.72

CO08811☆

OR □
G315-N☆

G315☆

314.3

±2.30

±2.76

CO02176☆

OR □
G320-N☆

G320☆

319.3

±2.33

±2.80

CO08812☆

OR □
G325-N☆

G325☆

324.3

±2.36

±2.83

CO08813☆

OR □
G330-N☆

G330☆

329.3

±2.39

±2.87

CO08814☆

OR □
G335-N☆

G335☆

334.3

±2.42

±2.90

CO02206☆

OR □
G340-N☆

G340☆

339.3

±2.45

±2.94

CO02216☆

OR □
G345-N☆

G345☆

344.3

±2.48

±2.98

CO02223☆

OR □
G350-N☆

G350☆

349.3

±2.51

±3.01

CO08815☆

OR □
G355-N☆

G355☆

354.3

±2.54

±3.05

CO02244☆

OR □
G360-N☆

G360☆

359.3

±2.57

±3.08

CO08816☆

OR □
G365-N☆

G365☆

364.4

±2.60

±3.12

CO08817☆

OR □
G370-N☆

G370☆

369.3

±2.63

±3.16

CO08818☆

OR □
G375-N☆

G375☆

374.3

±2.67

±3.20

CO02272☆

OR □
G380-N☆

G380☆

379.3

±2.70

±3.24

CO08819☆

OR □
G385-N☆

G385☆

384.3

±2.73

±3.28

CO02287☆

OR □
G390-N☆

390G☆

389.3

±2.77

±3.32

CO08820☆

OR □
G395-N☆

G395☆

394.3

±2.79

±3.35

CO02301☆

OR □
G400-N☆

G400☆

399.3

±2.82

±3.38

CO08821☆

OR □
G405-N☆

G405☆

404.3

±3.00

±3.60

Max. 0.16

CO08822☆

OR □
G410-N☆

G410☆

409.3

CO02336☆

OR □
415-N☆

G415☆

414.3

CO08823☆

OR □
G420-N☆

G420☆

419.3

CO02358☆

OR □
G425-N☆

G425☆

424.3

CO08824☆

OR □
G430-N☆

G430☆

429.3

CO08825☆

OR □
G435-N☆

G435☆

434.3

CO08826☆

OR □
G440-N☆

G440☆

439.3

CO08827☆

OR □
G445-N☆

G445☆

444.3

CO02417☆

OR □
G450-N☆

G450☆

449.3

CO08828☆

OR □
G455-N☆

G455☆

454.3

±3.30

±4.00

Max. 0.16

CO02441☆

OR □
G460-N☆

G460☆

459.3

CO06715☆

OR □
G465-N☆

G465☆

464.3

CO02460☆

OR □
G470-N☆

G470☆

469.3

CO08829☆

OR □
G475-N☆

G475☆

474.3

CO08830☆

OR □
G480-N☆

G480☆

479.3

CO08831☆

OR □
485-N☆

G485☆

484.3

CO08832☆

OR □
G490-N☆

G490☆

489.3

CO08833☆

OR □
G495-N☆

G495☆

494.3

CO08834☆

OR □
G500-N☆

G500☆

499.3

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

JIS callout number	Groove dimension (according to JIS specification)
	Dimension 'd'		Dimension 'D'		Dimension 'G' (tolerance _+0.25 ⁰ )			Dimension 'H'	Dimension 'R'	Maximum misalignment (TIR) of center D and center 'd' for dynamic or cylindrical application
	Dimension 'd'		Dimension 'D'		Dimension 'G' (tolerance _+0.25 ⁰ )			Dimension 'H'	Dimension 'R'
	d	Tolerance	D	Tolerance	No backup ring	One side backup ring	Both sides backup rings	H±0.05	Maximum value
G25	25	0 - 0.10	30	+0.10 0	4.1	5.6	7.3	2.4	0.7	0.08
G30	30		35
G35	35		40
G40	40		45
G45	45		50
G50	50		55
G55	55		60
G60	60		65
G65	65		70
G70	70		75
G75	75		80
G80	80		85
G85	85		90
G90	90		95
G95	95		100
G100	100		105
G105	105		110
G110	110		115
G115	115		120
G120	120		125
G125	125		130
G130	130		135
G135	135		140
G140	140		145
G145	145		150
G150	150	0 - 0.10	160	+0.10 0	7.5	9	11.5	4.6	0.8	0.10
G155	155		165
G160	160		170
G165	165		175
G170	170		180
G175	175		185
G180	180		190
G185	185		195
G190	190		200
G195	195		205
G200	200		210
G205☆	205		215
G210	210		220
G215☆	215		225
G220	220		230
G225☆	225		235
G230	230		240
G235☆	235		245
G240	240		250
G245☆	245		255
G250	250		260
G255☆	255		265
G260	260		270
G265☆	265	0 - 0.10	275	+0.10 0	7.5	9	11.5	4.6	0.8	0.10
G270	270		280
G275☆	275		285
G280	280		290
G285☆	285		295
G290	290		300
G295☆	295		305
G300	300		310
G305☆	305		315
G310☆	310		320
G315☆	315		325
G320☆	320		330
G325☆	325		335
G330☆	330		340
G335☆	335		345
G340☆	340		350
G345☆	345		355
G350☆	350		360
G355☆	355		365
G360☆	360		370
G365☆	365		375
G370☆	370		380
G375☆	375		385
G380☆	380		390
G385☆	385		395
390G☆	390		400
G395☆	395		405
G400☆	400		410
G405☆	405		415
G410☆	410		420
G415☆	415		425
G420☆	420		430
G425☆	425		435
G430☆	430		440
G435☆	435		445
G440☆	440		450
G445☆	445		455
G450☆	450		460
G455☆	455		465
G460☆	460		470
G465☆	465		475
G470☆	470		480
G475☆	475		485
G480☆	480		490
G485☆	485		495
G490☆	490		500
G495☆	495		505
G500☆	500		510

: 30; 60; 90

Part Number
CO0222U2
CO0223A
CO0223B
CO0223L
CO0223X2
CO0224A
CO0224B
CO0224L
CO0224U2
CO0225A
CO0225B
CO0225L
CO0225U3
CO0226A
CO0226B
CO0226L
CO0226U3
CO0227A
CO0227B
CO0227L
CO0227U3
CO0228A
CO0228B
CO0228L
CO0228U3
CO0229A
CO0229B
CO0229L
CO0229U3
CO0230A
CO0230B
CO0230L
CO0230U3
CO0231A
CO0231B
CO0231L
CO0231W0
CO0232A
CO0232B
CO0232L
CO0232U3
CO0233A
CO0233B
CO0233L
CO0233U3
CO0234A
CO0234B
CO0234U3
CO0235A
CO0235B
CO0235L
CO0235U3
CO0236A
CO0236B
CO0236L
CO0236V0
CO0237A
CO0237B
CO0237L
CO0237U3
CO0238A
CO0238B
CO0238L
CO0238U3
CO0239A
CO0239B
CO0239L
CO0239U3
CO0240A
CO0240B
CO0240L
CO0240U3
CO0241A
CO0241B
CO0241L
CO0241U3
CO0242A
CO0242B
CO0242L
CO0242U3
CO0243A
CO0243B
CO0243L
CO0243U3
CO0244A
CO0244B
CO0244L
CO0244U3
CO0245A
CO0245B

Standard Unit Price	Minimum order quantity	Days to Ship	I.D. d (mm)	Thickness W (mm)	Material	Environment, application	O.D. (mm)	Old JIS Bearing Number	Material (JIS Symbol)	Hardness	Model Number Notation
MYR 50.46	1 Piece(s)	4 Day(s) or more	134.4	3.1	Fluorine Rubber	Heat Resistant	140.6	G135	Class 4D	70	Type Dimension Code
MYR 11.29	1 Piece(s)	4 Day(s) or more	139.4	3.1	Nitrile Rubber	Mineral Oil Resistant	145.6	G140	Class 1A	70	Type Dimension Code
MYR 18.63	1 Piece(s)	9 Day(s) or more	139.4	3.1	Nitrile Rubber	Mineral Oil Resistant	145.6	G140	Class 1B	90	Type Dimension Code
MYR 30.34	1 Piece(s)	4 Day(s) or more	139.4	3.1	Silicone Rubber	Heat Resistant	145.6	G140	Class 4C	70	Type Dimension Code
MYR 58.09	1 Piece(s)	4 Day(s) or more	139.4	3.1	Fluorine Rubber	Heat Resistant	145.6	G140	Class 4D	70	Type Dimension Code
MYR 12.64	1 Piece(s)	4 Day(s) or more	144.4	3.1	Nitrile Rubber	Mineral Oil Resistant	150.6	G145	Class 1A	70	Type Dimension Code
MYR 19.66	1 Piece(s)	9 Day(s) or more	144.4	3.1	Nitrile Rubber	Mineral Oil Resistant	150.6	G145	Class 1B	90	Type Dimension Code
MYR 30.34	1 Piece(s)	9 Day(s) or more	144.4	3.1	Silicone Rubber	Heat Resistant	150.6	G145	Class 4C	70	Type Dimension Code
MYR 59.78	1 Piece(s)	4 Day(s) or more	144.4	3.1	Fluorine Rubber	Heat Resistant	150.6	G145	Class 4D	70	Type Dimension Code
MYR 11.07	1 Piece(s)	4 Day(s) or more	149.3	5.7	Nitrile Rubber	Mineral Oil Resistant	160.7	G150	Class 1A	70	Type Dimension Code
MYR 19.66	1 Piece(s)	9 Day(s) or more	149.3	5.7	Nitrile Rubber	Mineral Oil Resistant	160.7	G150	Class 1B	90	Type Dimension Code
MYR 45.11	1 Piece(s)	9 Day(s) or more	149.3	5.7	Silicone Rubber	Heat Resistant	160.7	G150	Class 4C	70	Type Dimension Code
MYR 81.69	1 Piece(s)	4 Day(s) or more	149.3	5.7	Fluorine Rubber	Heat Resistant	160.7	G150	Class 4D	70	Type Dimension Code
MYR 13.31	1 Piece(s)	4 Day(s) or more	154.3	5.7	Nitrile Rubber	Mineral Oil Resistant	165.7	G155	Class 1A	70	Type Dimension Code
MYR 23.98	1 Piece(s)	9 Day(s) or more	154.3	5.7	Nitrile Rubber	Mineral Oil Resistant	165.7	G155	Class 1B	90	Type Dimension Code
MYR 46.63	1 Piece(s)	9 Day(s) or more	154.3	5.7	Silicone Rubber	Heat Resistant	165.7	G155	Class 4C	70	Type Dimension Code
MYR 81.69	1 Piece(s)	4 Day(s) or more	154.3	5.7	Fluorine Rubber	Heat Resistant	165.7	G155	Class 4D	70	Type Dimension Code
MYR 15.28	1 Piece(s)	4 Day(s) or more	159.3	5.7	Nitrile Rubber	Mineral Oil Resistant	170.7	G160	Class 1A	70	Type Dimension Code
MYR 27.50	1 Piece(s)	9 Day(s) or more	159.3	5.7	Nitrile Rubber	Mineral Oil Resistant	170.7	G160	Class 1B	90	Type Dimension Code
MYR 46.86	1 Piece(s)	8 Day(s) or more	159.3	5.7	Silicone Rubber	Heat Resistant	170.7	G160	Class 4C	70	Type Dimension Code
MYR 100.63	1 Piece(s)	4 Day(s) or more	159.3	5.7	Fluorine Rubber	Heat Resistant	170.7	G160	Class 4D	70	Type Dimension Code
MYR 15.28	1 Piece(s)	4 Day(s) or more	164.3	5.7	Nitrile Rubber	Mineral Oil Resistant	175.7	G165	Class 1A	70	Type Dimension Code
MYR 27.50	1 Piece(s)	9 Day(s) or more	164.3	5.7	Nitrile Rubber	Mineral Oil Resistant	175.7	G165	Class 1B	90	Type Dimension Code
MYR 50.56	1 Piece(s)	9 Day(s) or more	164.3	5.7	Silicone Rubber	Heat Resistant	175.7	G165	Class 4C	70	Type Dimension Code
MYR 100.63	1 Piece(s)	4 Day(s) or more	164.3	5.7	Fluorine Rubber	Heat Resistant	175.7	G165	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	169.3	5.7	Nitrile Rubber	Mineral Oil Resistant	180.7	G170	Class 1A	70	Type Dimension Code
MYR 29.23	1 Piece(s)	9 Day(s) or more	169.3	5.7	Nitrile Rubber	Mineral Oil Resistant	180.7	G170	Class 1B	90	Type Dimension Code
MYR 52.82	1 Piece(s)	9 Day(s) or more	169.3	5.7	Silicone Rubber	Heat Resistant	180.7	G170	Class 4C	70	Type Dimension Code
MYR 107.60	1 Piece(s)	4 Day(s) or more	169.3	5.7	Fluorine Rubber	Heat Resistant	180.7	G170	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	174.3	5.7	Nitrile Rubber	Mineral Oil Resistant	185.7	G175	Class 1A	70	Type Dimension Code
MYR 29.23	1 Piece(s)	9 Day(s) or more	174.3	5.7	Nitrile Rubber	Mineral Oil Resistant	185.7	G175	Class 1B	90	Type Dimension Code
MYR 53.03	1 Piece(s)	9 Day(s) or more	174.3	5.7	Silicone Rubber	Heat Resistant	185.7	G175	Class 4C	70	Type Dimension Code
MYR 107.60	1 Piece(s)	4 Day(s) or more	174.3	5.7	Fluorine Rubber	Heat Resistant	185.7	G175	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	179.3	5.7	Nitrile Rubber	Mineral Oil Resistant	190.7	G180	Class 1A	70	Type Dimension Code
MYR 31.93	1 Piece(s)	9 Day(s) or more	179.3	5.7	Nitrile Rubber	Mineral Oil Resistant	190.7	G180	Class 1B	90	Type Dimension Code
MYR 55.65	1 Piece(s)	9 Day(s) or more	179.3	5.7	Silicone Rubber	Heat Resistant	190.7	G180	Class 4C	70	Type Dimension Code
MYR 114.91	1 Piece(s)	4 Day(s) or more	179.3	5.7	Fluorine Rubber	Heat Resistant	190.7	G180	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	184.3	5.7	Nitrile Rubber	Mineral Oil Resistant	195.7	G185	Class 1A	70	Type Dimension Code
MYR 30.34	1 Piece(s)	9 Day(s) or more	184.3	5.7	Nitrile Rubber	Mineral Oil Resistant	195.7	G185	Class 1B	90	Type Dimension Code
MYR 55.63	1 Piece(s)	9 Day(s) or more	184.3	5.7	Silicone Rubber	Heat Resistant	195.7	G185	Class 4C	70	Type Dimension Code
MYR 114.91	1 Piece(s)	4 Day(s) or more	184.3	5.7	Fluorine Rubber	Heat Resistant	195.7	G185	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	189.3	5.7	Nitrile Rubber	Mineral Oil Resistant	200.7	G190	Class 1A	70	Type Dimension Code
MYR 33.68	1 Piece(s)	9 Day(s) or more	189.3	5.7	Nitrile Rubber	Mineral Oil Resistant	200.7	G190	Class 1B	90	Type Dimension Code
MYR 60.68	1 Piece(s)	9 Day(s) or more	189.3	5.7	Silicone Rubber	Heat Resistant	200.7	G190	Class 4C	70	Type Dimension Code
MYR 121.54	1 Piece(s)	4 Day(s) or more	189.3	5.7	Fluorine Rubber	Heat Resistant	200.7	G190	Class 4D	70	Type Dimension Code
MYR 17.70	1 Piece(s)	4 Day(s) or more	194.3	5.7	Nitrile Rubber	Mineral Oil Resistant	205.7	G195	Class 1A	70	Type Dimension Code
MYR 33.68	1 Piece(s)	9 Day(s) or more	194.3	5.7	Nitrile Rubber	Mineral Oil Resistant	205.7	G195	Class 1B	90	Type Dimension Code
MYR 121.54	1 Piece(s)	4 Day(s) or more	194.3	5.7	Fluorine Rubber	Heat Resistant	205.7	G195	Class 4D	70	Type Dimension Code
MYR 23.32	1 Piece(s)	4 Day(s) or more	199.3	5.7	Nitrile Rubber	Mineral Oil Resistant	210.7	G200	Class 1A	70	Type Dimension Code
MYR 40.68	1 Piece(s)	9 Day(s) or more	199.3	5.7	Nitrile Rubber	Mineral Oil Resistant	210.7	G200	Class 1B	90	Type Dimension Code
MYR 65.17	1 Piece(s)	9 Day(s) or more	199.3	5.7	Silicone Rubber	Heat Resistant	210.7	G200	Class 4C	70	Type Dimension Code
MYR 121.54	1 Piece(s)	4 Day(s) or more	199.3	5.7	Fluorine Rubber	Heat Resistant	210.7	G200	Class 4D	70	Type Dimension Code
MYR 24.44	1 Piece(s)	4 Day(s) or more	209.3	5.7	Nitrile Rubber	Mineral Oil Resistant	220.7	G210	Class 1A	70	Type Dimension Code
MYR 40.68	1 Piece(s)	9 Day(s) or more	209.3	5.7	Nitrile Rubber	Mineral Oil Resistant	220.7	G210	Class 1B	90	Type Dimension Code
MYR 59.55	1 Piece(s)	9 Day(s) or more	209.3	5.7	Silicone Rubber	Heat Resistant	220.7	G210	Class 4C	70	Type Dimension Code
MYR 104.17	1 Piece(s)	4 Day(s) or more	209.3	5.7	Fluorine Rubber	Heat Resistant	220.7	G210	Class 4D	70	Type Dimension Code
MYR 26.57	1 Piece(s)	4 Day(s) or more	219.3	5.7	Nitrile Rubber	Mineral Oil Resistant	230.7	G220	Class 1A	70	Type Dimension Code
MYR 44.20	1 Piece(s)	9 Day(s) or more	219.3	5.7	Nitrile Rubber	Mineral Oil Resistant	230.7	G220	Class 1B	90	Type Dimension Code
MYR 64.05	1 Piece(s)	9 Day(s) or more	219.3	5.7	Silicone Rubber	Heat Resistant	230.7	G220	Class 4C	70	Type Dimension Code
MYR 144.41	1 Piece(s)	8 Day(s) or more	219.3	5.7	Fluorine Rubber	Heat Resistant	230.7	G220	Class 4D	70	Type Dimension Code
MYR 26.57	1 Piece(s)	4 Day(s) or more	229.3	5.7	Nitrile Rubber	Mineral Oil Resistant	240.7	G230	Class 1A	70	Type Dimension Code
MYR 43.83	1 Piece(s)	9 Day(s) or more	229.3	5.7	Nitrile Rubber	Mineral Oil Resistant	240.7	G230	Class 1B	90	Type Dimension Code
MYR 67.43	1 Piece(s)	9 Day(s) or more	229.3	5.7	Silicone Rubber	Heat Resistant	240.7	G230	Class 4C	70	Type Dimension Code
MYR 152.67	1 Piece(s)	4 Day(s) or more	229.3	5.7	Fluorine Rubber	Heat Resistant	240.7	G230	Class 4D	70	Type Dimension Code
MYR 29.04	1 Piece(s)	4 Day(s) or more	239.3	5.7	Nitrile Rubber	Mineral Oil Resistant	250.7	G240	Class 1A	70	Type Dimension Code
MYR 48.88	1 Piece(s)	9 Day(s) or more	239.3	5.7	Nitrile Rubber	Mineral Oil Resistant	250.7	G240	Class 1B	90	Type Dimension Code
MYR 71.35	1 Piece(s)	9 Day(s) or more	239.3	5.7	Silicone Rubber	Heat Resistant	250.7	G240	Class 4C	70	Type Dimension Code
MYR 155.30	1 Piece(s)	4 Day(s) or more	239.3	5.7	Fluorine Rubber	Heat Resistant	250.7	G240	Class 4D	70	Type Dimension Code
MYR 33.04	1 Piece(s)	4 Day(s) or more	249.3	5.7	Nitrile Rubber	Mineral Oil Resistant	260.7	G250	Class 1A	70	Type Dimension Code
MYR 55.06	1 Piece(s)	9 Day(s) or more	249.3	5.7	Nitrile Rubber	Mineral Oil Resistant	260.7	G250	Class 1B	90	Type Dimension Code
MYR 73.61	1 Piece(s)	9 Day(s) or more	249.3	5.7	Silicone Rubber	Heat Resistant	260.7	G250	Class 4C	70	Type Dimension Code
MYR 158.06	1 Piece(s)	4 Day(s) or more	249.3	5.7	Fluorine Rubber	Heat Resistant	260.7	G250	Class 4D	70	Type Dimension Code
MYR 33.04	1 Piece(s)	4 Day(s) or more	259.3	5.7	Nitrile Rubber	Mineral Oil Resistant	270.7	G260	Class 1A	70	Type Dimension Code
MYR 55.06	1 Piece(s)	9 Day(s) or more	259.3	5.7	Nitrile Rubber	Mineral Oil Resistant	270.7	G260	Class 1B	90	Type Dimension Code
MYR 77.54	1 Piece(s)	8 Day(s) or more	259.3	5.7	Silicone Rubber	Heat Resistant	270.7	G260	Class 4C	70	Type Dimension Code
MYR 165.08	1 Piece(s)	4 Day(s) or more	259.3	5.7	Fluorine Rubber	Heat Resistant	270.7	G260	Class 4D	70	Type Dimension Code
MYR 37.42	1 Piece(s)	4 Day(s) or more	269.3	5.7	Nitrile Rubber	Mineral Oil Resistant	280.7	G270	Class 1A	70	Type Dimension Code
MYR 63.48	1 Piece(s)	9 Day(s) or more	269.3	5.7	Nitrile Rubber	Mineral Oil Resistant	280.7	G270	Class 1B	90	Type Dimension Code
MYR 83.72	1 Piece(s)	9 Day(s) or more	269.3	5.7	Silicone Rubber	Heat Resistant	280.7	G270	Class 4C	70	Type Dimension Code
MYR 172.16	1 Piece(s)	4 Day(s) or more	269.3	5.7	Fluorine Rubber	Heat Resistant	280.7	G270	Class 4D	70	Type Dimension Code
MYR 37.42	1 Piece(s)	4 Day(s) or more	279.3	5.7	Nitrile Rubber	Mineral Oil Resistant	290.7	G280	Class 1A	70	Type Dimension Code
MYR 63.48	1 Piece(s)	9 Day(s) or more	279.3	5.7	Nitrile Rubber	Mineral Oil Resistant	290.7	G280	Class 1B	90	Type Dimension Code
MYR 89.90	1 Piece(s)	9 Day(s) or more	279.3	5.7	Silicone Rubber	Heat Resistant	290.7	G280	Class 4C	70	Type Dimension Code
MYR 177.94	1 Piece(s)	4 Day(s) or more	279.3	5.7	Fluorine Rubber	Heat Resistant	290.7	G280	Class 4D	70	Type Dimension Code
MYR 39.72	1 Piece(s)	4 Day(s) or more	289.3	5.7	Nitrile Rubber	Mineral Oil Resistant	300.7	G290	Class 1A	70	Type Dimension Code
MYR 70.23	1 Piece(s)	9 Day(s) or more	289.3	5.7	Nitrile Rubber	Mineral Oil Resistant	300.7	G290	Class 1B	90	Type Dimension Code
MYR 94.40	1 Piece(s)	9 Day(s) or more	289.3	5.7	Silicone Rubber	Heat Resistant	300.7	G290	Class 4C	70	Type Dimension Code
MYR 185.43	1 Piece(s)	4 Day(s) or more	289.3	5.7	Fluorine Rubber	Heat Resistant	300.7	G290	Class 4D	70	Type Dimension Code
MYR 39.72	1 Piece(s)	4 Day(s) or more	299.3	5.7	Nitrile Rubber	Mineral Oil Resistant	310.7	G300	Class 1A	70	Type Dimension Code
MYR 70.23	1 Piece(s)	9 Day(s) or more	299.3	5.7	Nitrile Rubber	Mineral Oil Resistant	310.7	G300	Class 1B	90	Type Dimension Code

Product TOP

Basic Information

Type	O-Ring	Types	G (For Fixing)

Configure

330 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

I.D. d(mm)
24.4

29.4

34.4

39.4

44.4

49.4

54.4

59.4

64.4

69.4

74.4

79.4

84.4

89.4

94.4

99.4

104.4

109.4

114.4

119.4

124.4

129.4

134.4

139.4

144.4

149.3

154.3

159.3

164.3

169.3

174.3

179.3

184.3

189.3

194.3

199.3

204.3

209.3

214.3

219.3

224.3

229.3

234.3

239.3

244.3

249.3

254.3

259.3

264.3

269.3

274.3

279.3

284.3

289.3

294.3

299.3

309.3

314.3

319.3

324.3

329.3

334.3

339.3

344.3

349.3

354.3

359.3

364.3

369.3

374.3

379.3

384.3

389.3

394.3

399.3

404.3

409.3

414.3

419.3

424.3

429.3

434.3

439.3

444.3

449.3

454.3

459.3

464.3

469.3

474.3

479.3

484.3

489.3

494.3

499.3
Clear
Thickness W(mm)
3.1

5.7
Clear
Material
- Nitrile Rubber
- Silicone Rubber
- Fluorine Rubber
Clear
Environment, application
- Mineral Oil Resistant
- Heat Resistant
Clear
Old JIS Bearing Number
G25

G30

G35

G40

G45

G50

G55

G60

G65

G70

G75

G80

G85

G90

G95

G100

G105

G110

G115

G120

G125

G130

G135

G140

G145

G150

G155

G160

G165

G170

G175

G180

G185

G190

G195

G200

G205

G210

G215

G220

G225

G230

G235

G240

G245

G250

G255

G260

G265

G270

G275

G280

G285

G290

G295

G300

G310

G315

G320

G325

G330

G335

G340

G345

G350

G355

G360

G365

G370

G375

G380

G385

G390

G395

G400

G405

G410

G415

G420

G425

G430

G435

G440

G445

G450

G455

G460

G465

G470

G475

G480

G485

G490

G495

G500
Clear
Material (JIS Symbol)
Class 1A

Class 1B

Class 4C

Class 4D
Clear
Hardness
- 70
- 90
Clear
Model Number Notation
- Old JIS Bearing Number
- Type Dimension Code
Clear
type
- G
Clear

Days to Ship

All

2 Day(s) or Less

4 Day(s) or Less

8 Day(s) or Less

9 Day(s) or Less

10 Day(s) or Less

12 Day(s) or Less

14 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: Please tell me when to replace the O-ring and its lifespan.: Answer: It depends on its material & the usage conditions, so we cannot answer the question of lifespan.
Question: Can I reuse the O-ring I removed once?: Answer: No. Make sure to replace it with a new O-ring.
Question: What should I be careful about when storing O-rings?: Answer: When storing O-rings, please be aware of the following:
•Do not open the packaging unnecessarily, as this may result in foreign objects or dirt adhering to the ring or scratches.
•Store in a low humidity area away from direct sunlight.
•Do not store near a high-temperature heat source.
•Do not hang the ring on a nail or string.
Question: What is the storage period for O-rings?: Answer: This applies to O-rings stored in a sealed package in a warehouse away from direct sunlight, high temperatures, and high humidity.
•NBR: 10-year
•Silicone Rubber (VMQ): 20-year
•FKM: 20-year
•EPDM: 20-year
Question: Can JIS B 2401 - G Series O-Rings be used with aggressive chemicals?: Answer: Yes, but material selection is crucial:
•FKM (Viton®) is highly resistant to fuels, solvents, and aggressive chemicals.
•NBR is suitable for petroleum-based fluids but not strong acids or ozone exposure.
•VMQ (Silicone) is used in applications requiring high-temperature resistance but has poor resistance to petroleum-based fluids.

Check other FAQ (2 items) Hide

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O-Ring JIS B 2401 - G Series (Static application) (Part Numbers)

(i)Caution

Basic Information

Configure

Specification/Dimensions

I.D. d(mm)

Thickness W(mm)

Material

Environment, application

Old JIS Bearing Number

Material (JIS Symbol)

Hardness

Model Number Notation

type

Days to Ship

Specify Alterations

Frequently asked question (FAQ)

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