O-Rings（O-Ring Type：P）

O-Rings are circular seals made from various materials, commonly used in mechanical systems to prevent the leakage of fluids and gases. They fit into a groove and create a seal when compressed between two surfaces, ensuring a tight fit. O-Rings are essential components in hydraulic and pneumatic applications, as well as in automotive and industrial machinery, contributing to the efficiency and reliability of these systems.

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O-Rings - for Dynamic Applications, P Series

MISUMI

MISUMI O-Rings, P Series, made from Ethylene Propylene Rubber, Fluororubber, Nitrile Rubber, and Silicon Rubber provide reliable sealing solutions by ensuring superior resistance to a wide range of chemicals and temperature extremes. Designed to fit various applications, O-Rings optimize operation and extend equipment lifespan in industrial machinery and automotive systems. With durable construction, O-Rings effectively prevent leakage, protecting sensitive systems without compromising performance, thus enhancing overall efficiency and reliability in demanding environments.

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Rapid Design

CAD Available in 2D and 3D
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Stock Items Included
O-Ring for Motion and Retaining - P Series

Musashi Oil Seal

A JIS B 2401 standard compliant P O-ring.

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Stock Items Included
O-Rings - for Dynamic Applications, Thermal or Chemical Resistance, P Series

MISUMI

MISUMI O-Rings, Perfluoro Rubber, P Series, Chemical/Heat Resistant provide reliable sealing capabilities by offering exceptional resistance to harsh chemicals and high temperatures. Designed to withstand extreme environments, O-Rings optimize operation and extend equipment lifespan in various industrial applications. With durable construction, these O-Rings effectively prevent leakage and protect sensitive systems without compromising performance. Ideal for use in chemical processing, pharmaceuticals, and other demanding settings, ensuring longevity and reliability in critical applications.

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CAD Available in 2D and 3D
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O-Rings - for Motion, Cylindrical and Flat Surface Fixing, JIS B 2401 P Compliant【1-100 Pieces Per Package】

Sunco

Kayo Corp stocks a variety of standard O-rings, offering immediate dispatch and delivery with different materials.

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New Products
[Clean & Pack] O-Rings - for Dynamic Applications, P Series

MISUMI

Two types of cleaning methods are available: degreasing and precision cleaning. They can be ordered from one piece with the standard part number.This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.
O-ring made of Fluororesin.

Precision Cleaning

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Degreasing

CAD Available in 2D and 3D
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O-Ring Set OR8001 Portable Set

Musashi Oil Seal

A portable O-ring set suitable for on-site repairs and maintenance.

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Ships as soon as 4 Days


Brand
Product Series
CAD
Days to Ship
Specifications
O-Ring Type
Inner Diameter d
Cross Section Width(mm)
Material
Hardness
Cleaning Method
Environment/Applications

					New Products Precision Cleaning Degreasing
Brand	MISUMI	Musashi Oil Seal	MISUMI	Sunco	MISUMI	Musashi Oil Seal
Product Series	O-Rings - for Dynamic Applications, P Series	O-Ring for Motion and Retaining - P Series	O-Rings - for Dynamic Applications, Thermal or Chemical Resistance, P Series	O-Rings - for Motion, Cylindrical and Flat Surface Fixing, JIS B 2401 P Compliant【1-100 Pieces Per Package】	[Clean & Pack] O-Rings - for Dynamic Applications, P Series	O-Ring Set OR8001 Portable Set
CAD	2D / 3D		2D / 3D		2D / 3D
Days to Ship	Same Day Stock Items Included	Same Day Stock Items Included	4 Days	5 Days	5 Days	4 Days
Specifications	Rapid Design		Rapid Design
O-Ring Type	P	P	P	P	P	P
Inner Diameter d	2.8 ～ 79.6	1.8 ～ 529.5	2.8 ～ 29.7	2.8 ～ 299.5	15 ～ 50	-
Cross Section Width(mm)	1.9 ～ 5.7	1.9 ～ 8.4	1.9 ～ 3.5	1.9 ～ 8.4	2 ～ 3	-
Material	Nitrile Rubber / Ethylene Propylene Rubber / Silicone Rubber / Fluororubber	Nitrile Rubber / Silicone Rubber / Fluororubber	Fluororubber	Nitrile Rubber / Silicone Rubber / Fluororubber	Fluororubber	Nitrile Rubber
Hardness	50A / 70A / 90A	70A / 90A	74A / 75A	-	-	70A
Cleaning Method	-	-	-	-	Degreasing / Precision Cleaning	-
Environment/Applications	Mineral Oil Resistant / Heat Resistant / Abrasion Resistant / Chemical Resistant / Weather Resistant / Cold Resistant	-	Heat Resistant / Chemical Resistant	Mineral Oil Resistant / Gasoline Resistant / Animal/Vegetable Oil Resistant / Heat Resistant / Abrasion Resistant / Pressure Resistant / Chemical Resistant / Cold Resistant	-	-

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O-Ring Type
- P
- G
- V
- S
- SS
- AS
- JASO
- Configurable
- Back-Up Ring
- Other
Details

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Metric / Inch
- metric
Clear

Inner Diameter d
0.5

0.74

0.79 (1/32")

0.8

1

1.07

1.19 (3/64")

1.2

1.25

1.42

1.5

1.59 (1/16")

1.78

1.8

1.98 (5/64")

2

2.2

2.24

2.38 (3/32")

2.4

2.5

2.57

2.6

2.7

2.8

2.9

3

3.1

3.15

3.18 (1/8")

3.2

3.3

3.4

3.5

3.55

3.56 (.140")

3.6

3.68

3.7

3.75

3.8

3.97 (5/32")

4

4.1

4.2

4.3

4.34 (.17")

4.4

4.47

4.5

4.6

4.69 (0.185")

4.75

4.76 (3/16")

4.8

4.87

4.9

5

5.1

5.13 (.202")

5.28

5.3

5.4

5.5

5.56 (7/32")

5.6

5.7

5.75

5.8

5.94 (.234")

6

6.02

6.07

6.07 (0.239")

6.1

6.3

6.35 (1/4")

6.4

6.5

6.6

6.7

6.73 (.265")

6.75

6.8

6.97

7

7.1

7.2

7.3

7.4

7.5

7.59

7.6

7.65

7.65 (0.301")

7.8

7.94 (5/16")

8

8.1

8.3

8.31 (.327")

8.4

8.5

8.6

8.73

8.75

8.8

8.9

8.92 (0.351")

9

9.1

9.19

9.25

9.3

9.5

9.53 (3/8")

9.6

9.75

9.8

9.9

9.91 (.390")

10

10.1

10.3

10.4

10.5

10.52 (0.414")

10.6

10.7

10.77

10.8

10.82

11

11.1

11.11 (7/16")

11.2

11.3

11.4

11.48 (.452")

11.5

11.56 (.455")

11.6

11.8

11.89

11.89 (0.468")

11.91

12

12.1

12.29

12.3

12.37

12.4

12.42

12.5

12.6

12.7 (1/2")

12.8

13

13.08 (.515")

13.1

13.2

13.3

13.4

13.46

13.46 (0.53")

13.5

13.6

13.7

13.8

13.94

14

14.1

14.29 (9/16")

14.3

14.4

14.5

14.6

14.66 (.577")

14.73 (.580")

14.8

15

15.08

15.1

15.3

15.4

15.5

15.54

15.6

15.8

15.88 (5/8")

16

16.1

16.26 (.640")

16.3

16.33 (.643")

16.36

16.36 (.644")

16.4

16.5

16.6

16.9

17

17.1

17.12

17.17

17.3

17.4

17.46 (11/16")

17.5

17.6

17.7

17.8

17.83 (.702")

17.86

17.91 (.705")

17.93

17.93 (0.706")

18

18.1

18.3

18.5

18.6

18.64

18.72

18.77

19

19.05 (3/4")

19.1

19.15

19.18 (0.755")

19.3

19.4

19.43 (.765")

19.46 (.766")

19.5

19.51 (.768")

19.7

19.8

20

20.1

20.22

20.29

20.3

20.35

20.5

20.63

20.64 (13/16")

20.8

21

21.03 (.828")

21.13 (.832")

21.2

21.3

21.5

21.7

21.8

21.82

21.89

21.9

21.92 (0.863")

21.95

22

22.1

22.2

22.22

22.23 (7/8")

22.3

22.4

22.5

22.63 (.891")

22.73 (.895")

23

23.3

23.39

23.47

23.47 (0.924")

23.5

23.52

23.6

23.7

23.81 (15/16")

24

24.2

24.21 (.953")

24.31 (.957")

24.4

24.5

24.6

24.7

24.99

25

25.04 (0.986")

25.1

25.12

25.2

25.3

25.4 (1")

25.5

25.7

25.8

25.81 (1.016")

25.91 (1.020")

26

26.2

26.5

26.57

26.59 (1.047")

26.7

26.99 (1-1/16")

27

27.1

27.3

27.38 (1.078")

27.48 (1.082")

27.5

27.6

27.7

27.8

28

28.17

28.3

28.5

28.58 (1-1/8")

28.7

28.98 (1.141")

29

29.1

29.2

29.3

29.4

29.5

29.6

29.7

29.74

29.74 (1.171")

29.87

30

30.16 (1-3/16")

30.2

30.3

30.5

30.56 (1.203")

30.7

31

31.16 (.518")

31.2

31.34

31.42

31.47

31.5

31.6

31.7

31.75 (1-1/4")

32

32.1

32.16 (1.266")

32.2

32.5

32.7

32.92

33

33.05

33.3

33.34 (1-5/16")

33.5

33.7

33.88 (1.334")

34

34.1

34.2

34.4

34.42 (1.355")

34.5

34.52

34.6

34.65

34.7

34.93 (1-3/8")

35

35.1

35.2

35.5

35.7

36

36.09

36.2

36.5

36.51 (1-7/16)

37

37.1

37.3

37.46

37.47 (1.475")

37.5

37.6

37.69

37.7

37.82

38

38.1 (1-1/2")

38.5

38.66 (1.522")

38.7

39

39.2

39.4

39.45

39.5

39.6

39.69 (1-9/16")

39.7

40

40.64

40.7

40.87

41

41.2

41.28 (1-5/8")

41.5

41.6

41.7

42

42.2

42.5

42.52

42.86 (1-11/16")

43

43.5

43.69 (1.72")

43.7

43.82

44

44.04

44.2

44.4

44.45

44.45 (1-3/4")

44.5

44.6

44.7

45

45.5

45.7

45.84

46

46.04

46.2

46.58 (1.834")

46.99

47

47.22

47.5

47.6

47.63 (1-7/8")

47.7

47.96 (1.888")

48

48.7

49

49.2

49.21

49.21 (1-15/16")

49.4

49.5

49.6

49.7

50

50.16

50.39

50.8 (2")

51

51.13 (2.013")

51.4

51.5

51.6

52

52.39 (2-1/16")

52.5

52.6

53

53.09 (2.09")

53.34

53.57

53.64

53.7

53.98 (2-1/8")

54

54.2

54.31 (2.138")

54.4

54.5

54.6

55

55.5

55.56 (2-3/16")

55.6

56

56.52

56.74

56.82

57

57.15 (2-1/4")

57.2

57.4

57.5

57.6

58

58.74 (2-5/16")

59

59.2

59.36 (2.337")

59.4

59.5

59.6

59.69

59.92

60

60.33 (2-3/8")

61

61.4

61.5

61.6

61.91 (2-7/16")

62

62.4

62.5

62.6

62.86

63

63.09

63.4

63.5 (2-1/2")

64

64.4

64.5

64.6

65

65.09 (2-9/16")

66

66.04

66.27

66.4

66.5

66.6

66.68 (2-5/8")

67

68

68.26 (2-11/16")

69

69.2

69.22

69.4

69.44

69.5

69.52

69.6

69.85 (2-3/4")

70

70.5

70.6

71

71.4

71.44 (2-13/16")

72

72.39

72.62

73

73.03 (2-7/8")

74

74.2

74.4

74.5

74.6

75

75.56

75.79

75.92

76

76.2 (3")

77

77.5

78

78.74

79

79.2

79.38 (3-1/8")

79.4

79.5

79.6

80

81

82

82.14

82.22

82.5

82.55 (3-1/4")

83

84

84.4

84.5

84.6

85

85.09

85.32

85.73 (3-3/8")

86

87

87.5

88

88.26

88.49

88.57

88.9 (3-1/2")

89

89.2

89.4

89.5

89.6

90

91

91.44

91.67

92

92.08 (3-5/8")

92.5

93

94

94.4

94.5

94.6

94.62

94.84

94.92

95

95.25 (3-3/4")

96

97

97.5

97.79

98

98.43 (2-7/8")

99

99.4

99.5

99.6

100

100.96

101

101.19

101.6

101.6 (4")

102

103

104

104.14

104.37

104.4

104.5

104.6

104.78 (4-1/8")

105

106

107

107.32

107.54

107.95 (4-1/4")

108

109

109.4

109.5

109.6

110

110.49

110.72

111

111.13 (4-3/8")

111.5

111.6

112

113

113.66

113.89

114

114.3 (4-1/2")

114.4

114.5

114.6

115

116

116.84

117

117.07

117.48 (4-5/8")

118

119

119.4

119.5

119.6

120

120.02

120.24

120.253125 mm

120.65 (4-3/4")

122

123

123.19

123.42

123.83 (4-7/8")

124

124.4

124.5

124.6

125

126

126.36

127 (5")

128

129

129.4

129.5

129.54

129.6

129.77

130

130.18 (5-1/8")

131.5

131.6

132

132.72

132.94

133

133.35 (5-1/4")

134

134.4

134.5

134.6

135

135.89

136

136.53 (5-3/8")

137

138

139

139.06

139.4

139.5

139.6

139.7 (5-1/2")

140

142

142.24

142.88 (5-5/8")

143

143.5

144

144.4

144.5

144.6

145

145.29

145.42

146

146.05 (5-3/4")

147

148

148.5

148.59

149

149.23 (5-7/8")

149.3

149.5

149.6

150

151.76

152

152.07

152.4 (6")

153

154.3

154.5

155

156

158

158.12

158.75 (6-1/4")

159.3

159.5

160

162

163

164

164.3

164.46

164.5

165

165.1 (6.5")

167

168

169.3

169.5

170

170.82

171.45 (6-3/4")

172

173

174

174.2

174.3

174.5

175

177

177.16

177.17

177.39

177.8 (7")

178

179

179.3

179.5

180

182

183.52

183.74

184.15 (7-1/4")

184.3

184.5

185

188

189

189.3

189.5

189.86

190

190.17

190.5 (7-1/2")

192

193

194

194.3

194.5

195

196.85 (7-3/4")

198

199.3

199.5

200

202.56

203

203.2 (8")

204.3

204.5

205

206

208

208.5

209

209.3

209.5

209.55 (8-1/4")

210

212

213

214

214.3

214.5

215

215.26

215.9 (8-1/2")

218

219.3

219.5

220

222.25 (8-3/4")

222.5

224

224.3

224.5

225

227.96

228

228.19

228.6 (9")

229.3

229.5

230

232

234.3

234.5

234.95 (9-1/4")

235

236

237.5

239.3

239.5

240

240.66

241.3 (9-1/2")

242

243

244.3

244.5

245

247.65 (9-3/4")

249.3

249.5

250

253.36

254 (10")

254.3

254.5

255

257.5

258

259.3

259.5

260

262.5

264.3

264.5

265

266

266.06

266.7 (10-1/2")

269.3

269.5

270

272

274.3

274.5

275

278.76

279.3

279.4 (11")

279.5

280

284.3

284.5

285

289.3

289.5

290

291.46

292

292.1 (11-1/2")

294.3

294.5

296

299.3

299.5

300

304.16

304.5

304.8 (12")

305

307

309.3

309.5

310

314.3

314.5

315

317

317.5 (12-1/2")

319.3

319.5

320

321.5

324.3

324.5

325

329.3

329.5

329.56

329.79

330

330.2 (13")

334.5

335

339.3

339.5

340

342.26

342.9 (13-1/2")

345

349.5

350

354.5

354.96

355

355.6 (14")

359.5

360

364.5

365

367.66

368.3 (14-1/2")

369.5

374.3

374.5

375

376

379.3

380

380.36

381 (15")

384.3

384.5

387

389.3

393.06

393.7 (15-1/2")

399.5

400

405.26

406.4 (16")

409.3

411

412

419.1 (16-1/2")

425

425.5

431.8 (17")

437

444.5 (17-1/2")

449.3

457.2 (18")

459.3

462

469.9 (18-1/2")

475

482.6 (19")

487

495.3 (19-1/2")

504.5

508 (20")

524.5

529.5

533.4 (21")

544

545

558.8 (22")

560

579

580

584.2 (23")

600

609.6 (24")

615

630

633.5

635 (25")

660.4 (26")

670

683

732.5

782

836.5

940.5
Drawing

Clear

Cross Section Width(mm)
1

1.02

1.27

1.5

1.52

1.63

1.7

1.78

1.9

1.98

2

2.08

2.21

2.25

2.4

2.46

2.5

2.62

3

3.1

3.3

3.5

3.53

4

5

5.33

5.7

6

6.98

7

7.5

8

8.4

9

10

11

12

13

15

16

18

20
Drawing

Clear

Material
- Nitrile Rubber
- Ethylene Propylene Rubber
- Silicone Rubber
- Hydrogenated Nitrile Rubber
- Fluororubber
- Perfluoroelastomer
- Fluoro-Silicone Rubber
- Fluororesin
Clear

Hardness
- 50A
- 55D
- 60A
- 70A
- 74A
- 75A
- 90A
Clear

Cleaning Method
- Degreasing
- Precision Cleaning
Clear

Environment/Applications
- Mineral Oil Resistant
- Gasoline Resistant
- Animal/Vegetable Oil Resistant
- Heat Resistant
- Coolant Resistant
- Abrasion Resistant
- Pressure Resistant
- Chemical Resistant
- Weather Resistant
- Cold Resistant
- Water Resistant
- Hot Water Resistant
Clear

Brand

- MISUMI (3)
- C-Value ()
- Musashi Oil Seal (2)
- Sunco (1)
- CKD (0)
- Akitsu Industry (0)
- Masuoka (0)
- MORISEI KAKO (0)
- NOK (0)
- USA Industrials (0)
Clear

O-Rings（O-Ring Type：P）

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Inner Diameter d

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