MISUMI economy series O-ring is made according to what standard? Can you introduce the operating environment and slotting size requirements?

MISUMI economy series O-rings a series of Chinese national standard products, and the operating environment is differentiated according to the material. The operating temperature is 100℃ for nitrile rubber and 200℃ for fluororubber. The slotting size is determined according to the wire diameter and the way of use. Please refer to the content of the precautions for use on the web page.

What preparations are needed before installing the O-ring?

Please apply sealing fluid to the installation surface and O-ring before installation. Please apply silicone oil in a dry environment (except when the O-ring is silicone). Do not apply if there is contamination due to sealing fluid. Before installation, please do not clean the machine with gasoline or cleaning oil to avoid rubber expansion.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Part Number Complete

E-PACK-GRN2.65-53

Inner Dia. do (or d) Wire Dia. W Package Specifications type Material CAD Days to Ship

Specification/Dimensions

Inner Dia. do (or d)(Ø)
1.8

2

2.24

2.5

2.8

3.15

3.55

3.75

4

4.5

4.87

5

5.15

5.3

5.6

6

6.3

6.7

6.9

7.1

7.5

8

8.5

8.75

9

9.5

10

10.6

11.2

11.8

12.5

13.2

14

15

16

17

18

19

20

21.2

22.4

23.6

25

26.5

28

30

31.5

32.5

33.5

34.5

35.5

36.5

37.5

38.7

40

41.2

42.5

43.7

45

46.2

47.5

48.7

50

51.5

53

54.5

56

58

60

61.5

63

65

67

69

71

73

75

77.5

80

82.5

85

87.5

90

92.5

95

97.5

100

103

106

109

112

115

118

122

125

128

132

136

140

145

150

155

160

165

170

175

180

185

190

195

200

206

212

218

224

230

236

243

250
Clear
Wire Dia. W(mm)
1.8

2.65

3.55

5.3

7
Clear
Package Specifications
- 2 pcs
- 5 pcs
- 10 pcs
- 20 pcs
- 50 pcs
- 100 pcs
Clear
type
- E-PACK-GRF
- E-PACK-GRN
Clear
Material
- Nitrile Rubber
- Fluoro Rubber
  - Fluoro Rubber
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

8 Day(s) or Less
Clear

Specify Alterations

O Rings GB Standards【2-100 Pieces Per Package】 (Part Number)

Name: O Rings GB Standards
Brand: MISUMI
Availability: PreOrder

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Volume Discount

Check FAQ of this product (2 items)

Brand :

MISUMI

MiSUMi Economy

MISUMI

Part Number :

E-PACK-GRN2.65-53

E-PACK-GRN2.65-54.5

E-PACK-GRN2.65-56

E-PACK-GRN2.65-58

E-PACK-GRN2.65-60

E-PACK-GRN2.65-61.5

E-PACK-GRN2.65-63

E-PACK-GRN2.65-67

E-PACK-GRN2.65-71

E-PACK-GRN2.65-75

E-PACK-GRN2.65-80

E-PACK-GRN2.65-85

E-PACK-GRN2.65-90

E-PACK-GRN2.65-95

E-PACK-GRN2.65-100

E-PACK-GRN2.65-106

E-PACK-GRN2.65-112

E-PACK-GRN2.65-118

E-PACK-GRN2.65-125

E-PACK-GRN2.65-132

E-PACK-GRN2.65-53

Order Qty :
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

Product Description

O Rings GB Standards
These O Rings are an economy item, The price is cheaper than the MISUMI standard product. They offer a wide variety of sizes to choose from.
[Feature]
● Inner Diameter Minimum/ Maximum (mm.) : 1.8 to 250
● Thickness Minimum/ Maximum (mm.) : 1.8 to 7
● Material : Nitrile Rubber (Black) or Fluoro Rubber (Brown)
● Operating Temperature Range (℃)
Nitrile Rubber : -20 to 100
Fluoro Rubber : -10 to 200
[Application]
O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between two components

Economy O-Ring

Wide selection High-quality Sealing

- Wide variety of sizes available

- High-quality nitrile and fluoro rubber materials

- Suitable for temperatures up to specified value

- Excellent sealing performance for various applications

- Available in multiple packaging options for convenience

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

O-Rings Product Overview

O-Rings is a part that utilizes elastic interference of rubber materials to achieve a sealing effect. The national standard (GB) series are MISUMI self-developed economy series O-Rings products, which are widely used in applications that require sealing in various industries. GB series has market universal specifications in China, with color options for different materials, black for nitrile rubber and brown for fluorine rubber. The O-Rings is used in two ways: fixed and movable. When installed in the fixed way, usually via a plane, the O-Rings will be in the fixed state. When installed in the movable way, mainly via a cylindrical surface, the O-Rings will produce relative displacement.

Nitrile Rubber
(Black)
Product Drawing 1

Fluoro Rubber
(Brown)
Product Drawing 2

O-Rings Product Features

[O-Rings Features]
・Imported rubber materials are adopted, ensuring sealing performance and ultra-long service life
・With no corners cut, density and dimensions are guaranteed
・All specifications in stock and same-day shipment.

Product Drawing 3

O-Rings Specifications Overview

For the economy national standard series, O-Ringss are made of two materials: nitrile rubber and fluorine rubber, wire diameters include 1.8mm, 2.65mm, 3.55mm, 5.3mm and 7mm, and inner diameters include most of the specifications between 1.8mm and 250mm.

Product Drawing 5

Material	Hardness	Color	Applicable Temperature Range	Intended Use
Nitrile Rubber	HS70±5	Black	-20℃ to 100℃	Mineral Oil Resistant
Fluoro Rubber	HS75±5	Brown	-10℃ to 200℃	Heat Resistant, Chemical Resistant

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	1.8	±0.08	1.8	±0.1
			2	±0.13
			2.24
			2.5
			2.8
			3.15
			3.55
			3.75
			4
			4.5
			4.87
			5
			5.15
			5.3
			5.6
			6
			6.3	±0.14
			6.7
			6.9
			7.1
			7.5
			8
			8.5
			8.75
			9
			9.5
			10
			10.6	±0.17
			11.2
			11.8
			12.5
			13.2
			14
			15
			16
			17
			18
			19	±0.22
			20
			21.2
			22.4
			23.6
			25
			26.5
			28
			30
			32.5	±0.3
			34.5
			36.5
			38.7
			42.5	±0.36
			46.2
			50
	2.65	±0.09	10.6	±0.17
			11.2
			11.8
			12.5
			13.2
			14
			15
			16
			17
			18
			19	±0.22
20
21.2
22.4
23.6
25
26.5
28

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	2.65	±0.09	30	±0.22
			31.5	±0.3
			32.5
			33.5
			34.5
			35.5
			36.5
			37.5
			38.7
			40
			41.2	±0.36
			42.5
			43.7
			45
			46.2
			47.5
			48.7
			50
			51.5	±0.44
			53
			54.5
			56
			58
			60
			61.5
			63
			67	±0.53
			71
			75
			80
			85	±0.65
			90
			95
			100
			106
			112
			118
			125	±0.9
			132
			140
			150
	3.55	±0.1	18	±0.17
			19	±0.22
			20
			21.2
			22.4
			23.6
			25
			26.5
			28
			30
			31.5	±0.3
			32.5
			33.5
			34.5
			35.5
			36.5
			37.5
			38.7
			40
			41.2	±0.36
			42.5
			43.7
			45
46.2
47.5
48.7
50
51.5			±0.44
53
54.5

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	3.55	±0.1	56	±0.44
			58
			60
			61.5
			63
			65	±0.53
			67
			69
			71
			73
			75
			77.5
			80
			82.5	±0.65
			85
			87.5
			90
			92.5
			95
			97.5
			100
			103
			106
			109
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
	5.3	±0.13	40	±0.3
			41.2	±0.36
			42.5
			43.7
			45
			46.2
			47.5
			48.7	±0.36
			50	±0.36
			51.5	±0.44
			53
			54.5
			56
			58
			60
			61.5
			63
			65	±0.53
			67
69
71
73
75
77.5
80

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	5.3	±0.13	82.5	±0.65
			85
			87.5
			90
			92.5
			95
			97.5
			100
			103
			106
			109
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
			206
			212
			218
			224
			230
			236
			243
			250
	7	±0.15	109	±0.65
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
			206
			212
218
224
230
236
243
250

Example of Use O-Rings

O-Ringss are suitable for many areas of industry, such as automated processing equipment, production lines, and peripheral equipment of manipulators. The O-Rings is used in two ways: fixed and movable.
When installed in the fixed way, usually via a plane, the O-Rings will be in the fixed state. When installed in the movable way, mainly via a cylindrical surface, the O-Rings will produce relative displacement.

Example of Use

Plane fixed type		Cylindrical surface movable type
Internal pressure fixed type	External pressure fixed type

O-Rings Precautions

For the O-Rings slotting size, please see the following drawing and table. The slotting size varies with the wire diameter and usage method. For detailed information, please see the data in the table.

Slotting size drawing
Precautions

Wire Diameter W	Fixed		Movable (pneumatic)		Movement (hydraulic)
Wire Diameter W	Groove Width G	Groove Depth H	Groove Width G	Groove Depth H	Groove Width G	Groove Depth H
1.80	2.3	1.3	2.3	1.1	2.3	1.1
2.65	3.4	2	3.1	2.35	3.1	2.3
3.55	4.5	2.7	4.2	3.25	4.2	3.1
5.30	4.9	4.3	6.4	4.95	6.4	4.7
7.00	9.1	5.85	8.4	6.6	8.4	6.3

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 60; 90

Part Number
E-PACK-GRN2.65-53
E-PACK-GRN2.65-54.5
E-PACK-GRN2.65-56
E-PACK-GRN2.65-58
E-PACK-GRN2.65-60
E-PACK-GRN2.65-61.5
E-PACK-GRN2.65-63
E-PACK-GRN2.65-67
E-PACK-GRN2.65-71
E-PACK-GRN2.65-75
E-PACK-GRN2.65-80
E-PACK-GRN2.65-85
E-PACK-GRN2.65-90
E-PACK-GRN2.65-95
E-PACK-GRN2.65-100
E-PACK-GRN2.65-106
E-PACK-GRN2.65-112
E-PACK-GRN2.65-118
E-PACK-GRN2.65-125
E-PACK-GRN2.65-132
E-PACK-GRN2.65-140
E-PACK-GRN2.65-150
E-PACK-GRN3.55-18
E-PACK-GRN3.55-19
E-PACK-GRN3.55-20
E-PACK-GRN3.55-21.2
E-PACK-GRN3.55-22.4
E-PACK-GRN3.55-23.6
E-PACK-GRN3.55-25
E-PACK-GRN3.55-26.5
E-PACK-GRN3.55-28
E-PACK-GRN3.55-30
E-PACK-GRN3.55-31.5
E-PACK-GRN3.55-32.5
E-PACK-GRN3.55-33.5
E-PACK-GRN3.55-34.5
E-PACK-GRN3.55-35.5
E-PACK-GRN3.55-36.5
E-PACK-GRN3.55-37.5
E-PACK-GRN3.55-38.7
E-PACK-GRN3.55-40
E-PACK-GRN3.55-41.2
E-PACK-GRN3.55-42.5
E-PACK-GRN3.55-43.7
E-PACK-GRN3.55-45
E-PACK-GRN3.55-46.2
E-PACK-GRN3.55-47.5
E-PACK-GRN3.55-48.7
E-PACK-GRN3.55-50
E-PACK-GRN3.55-51.5
E-PACK-GRN3.55-53
E-PACK-GRN3.55-54.5
E-PACK-GRN3.55-56
E-PACK-GRN3.55-58
E-PACK-GRN3.55-60
E-PACK-GRN3.55-61.5
E-PACK-GRN3.55-63
E-PACK-GRN3.55-65
E-PACK-GRN3.55-67
E-PACK-GRN3.55-69
E-PACK-GRN3.55-71
E-PACK-GRN3.55-73
E-PACK-GRN3.55-75
E-PACK-GRN3.55-77.5
E-PACK-GRN3.55-80
E-PACK-GRN3.55-82.5
E-PACK-GRN3.55-85
E-PACK-GRN3.55-87.5
E-PACK-GRN3.55-90
E-PACK-GRN3.55-92.5
E-PACK-GRN3.55-95
E-PACK-GRN3.55-97.5
E-PACK-GRN3.55-100
E-PACK-GRN3.55-103
E-PACK-GRN3.55-106
E-PACK-GRN3.55-109
E-PACK-GRN3.55-112
E-PACK-GRN3.55-115
E-PACK-GRN3.55-118
E-PACK-GRN3.55-122
E-PACK-GRN3.55-125
E-PACK-GRN3.55-128
E-PACK-GRN3.55-132
E-PACK-GRN3.55-136
E-PACK-GRN3.55-140
E-PACK-GRN3.55-145
E-PACK-GRN3.55-150
E-PACK-GRN3.55-155
E-PACK-GRN3.55-160
E-PACK-GRN3.55-165

Price	Minimum Order Qty.	Number of pc(s). included in pkg.	Volume Discount	Days to Ship	Inner Dia. do (or d) (Ø)	Wire Dia. W (mm)	Material	Package Specifications
₹ 1,513.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	53	2.65	Nitrile Rubber	20 pcs
₹ 1,526.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	54.5	2.65	Nitrile Rubber	20 pcs
₹ 1,545.00	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	56	2.65	Nitrile Rubber	20 pcs
₹ 1,563.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	58	2.65	Nitrile Rubber	20 pcs
₹ 1,568.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	60	2.65	Nitrile Rubber	20 pcs
₹ 1,590.00	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	61.5	2.65	Nitrile Rubber	20 pcs
₹ 1,601.67	1 Pack(s)	20 Pieces Per Package	Available	Same day	63	2.65	Nitrile Rubber	20 pcs
₹ 1,658.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	67	2.65	Nitrile Rubber	20 pcs
₹ 1,690.00	1 Pack(s)	20 Pieces Per Package	Available	Same day	71	2.65	Nitrile Rubber	20 pcs
₹ 1,741.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	75	2.65	Nitrile Rubber	20 pcs
₹ 1,833.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	80	2.65	Nitrile Rubber	20 pcs
₹ 1,916.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	85	2.65	Nitrile Rubber	20 pcs
₹ 1,991.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	90	2.65	Nitrile Rubber	20 pcs
₹ 2,096.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	95	2.65	Nitrile Rubber	20 pcs
₹ 2,203.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	100	2.65	Nitrile Rubber	20 pcs
₹ 2,308.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	106	2.65	Nitrile Rubber	20 pcs
₹ 2,466.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	112	2.65	Nitrile Rubber	20 pcs
₹ 2,646.67	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	118	2.65	Nitrile Rubber	20 pcs
₹ 2,868.34	1 Pack(s)	20 Pieces Per Package	Available	Same day	125	2.65	Nitrile Rubber	20 pcs
₹ 3,470.00	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	132	2.65	Nitrile Rubber	20 pcs
₹ 3,575.00	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	140	2.65	Nitrile Rubber	20 pcs
₹ 3,628.34	1 Pack(s)	20 Pieces Per Package	Available	8 Day(s)	150	2.65	Nitrile Rubber	20 pcs
₹ 1,633.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	18	3.55	Nitrile Rubber	100 pcs
₹ 1,666.67	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	19	3.55	Nitrile Rubber	100 pcs
₹ 1,750.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	20	3.55	Nitrile Rubber	100 pcs
₹ 1,816.67	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	21.2	3.55	Nitrile Rubber	100 pcs
₹ 1,870.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	22.4	3.55	Nitrile Rubber	100 pcs
₹ 1,976.67	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	23.6	3.55	Nitrile Rubber	100 pcs
₹ 1,976.67	1 Pack(s)	100 Pieces Per Package	Available	Same day	25	3.55	Nitrile Rubber	100 pcs
₹ 2,083.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	26.5	3.55	Nitrile Rubber	100 pcs
₹ 2,293.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	28	3.55	Nitrile Rubber	100 pcs
₹ 2,453.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	30	3.55	Nitrile Rubber	100 pcs
₹ 2,560.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	31.5	3.55	Nitrile Rubber	100 pcs
₹ 2,611.67	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	32.5	3.55	Nitrile Rubber	100 pcs
₹ 2,771.67	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	33.5	3.55	Nitrile Rubber	100 pcs
₹ 2,876.67	1 Pack(s)	100 Pieces Per Package	Available	Same day	34.5	3.55	Nitrile Rubber	100 pcs
₹ 2,983.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	35.5	3.55	Nitrile Rubber	100 pcs
₹ 3,035.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	36.5	3.55	Nitrile Rubber	100 pcs
₹ 3,300.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	37.5	3.55	Nitrile Rubber	100 pcs
₹ 3,353.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	38.7	3.55	Nitrile Rubber	100 pcs
₹ 3,458.34	1 Pack(s)	100 Pieces Per Package	Available	Same day	40	3.55	Nitrile Rubber	100 pcs
₹ 3,723.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	41.2	3.55	Nitrile Rubber	100 pcs
₹ 3,828.34	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	42.5	3.55	Nitrile Rubber	100 pcs
₹ 4,145.00	1 Pack(s)	100 Pieces Per Package	Available	8 Day(s)	43.7	3.55	Nitrile Rubber	100 pcs
₹ 4,410.00	1 Pack(s)	100 Pieces Per Package	Available	Same day	45	3.55	Nitrile Rubber	100 pcs
₹ 4,620.00	1 Pack(s)	100 Pieces Per Package	Available	Same day	46.2	3.55	Nitrile Rubber	100 pcs
₹ 2,425.00	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	47.5	3.55	Nitrile Rubber	50 pcs
₹ 2,425.00	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	48.7	3.55	Nitrile Rubber	50 pcs
₹ 2,476.67	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	50	3.55	Nitrile Rubber	50 pcs
₹ 2,556.67	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	51.5	3.55	Nitrile Rubber	50 pcs
₹ 2,583.34	1 Pack(s)	50 Pieces Per Package	Available	Same day	53	3.55	Nitrile Rubber	50 pcs
₹ 2,688.34	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	54.5	3.55	Nitrile Rubber	50 pcs
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₹ 3,165.00	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	63	3.55	Nitrile Rubber	50 pcs
₹ 3,245.00	1 Pack(s)	50 Pieces Per Package	Available	8 Day(s)	65	3.55	Nitrile Rubber	50 pcs
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₹ 5,358.34	1 Pack(s)	50 Pieces Per Package	Available	Same day	90	3.55	Nitrile Rubber	50 pcs
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₹ 2,346.67	1 Pack(s)	10 Pieces Per Package	Available	8 Day(s)	160	3.55	Nitrile Rubber	10 pcs
₹ 2,485.00	1 Pack(s)	10 Pieces Per Package	Available	8 Day(s)	165	3.55	Nitrile Rubber	10 pcs

Dimensional Drawing

For the economy national standard series, O rings are made of two materials: nitrile rubber and fluorine rubber, wire diameters include 1.8mm, 2.65mm, 3.55mm, 5.3mm and 7mm, and inner diameters include most of the specifications between 1.8mm and 250mm.

Product Drawing 1

Material	Hardness	Color	Applicable Temperature Range	Intended Use
Nitrile Rubber	HS70±5	Black	-20℃ to 100℃	Mineral Oil Resistant
Fluoro Rubber	HS75±5	Brown	-10℃ to 200℃	Heat Resistant, Chemical Resistant

Specifications Overview

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	1.8	±0.08	1.8	±0.1
			2	±0.13
			2.24
			2.5
			2.8
			3.15
			3.55
			3.75
			4
			4.5
			4.87
			5
			5.15
			5.3
			5.6
			6
			6.3	±0.14
			6.7
			6.9
			7.1
			7.5
			8
			8.5
			8.75
			9
			9.5
			10
			10.6	±0.17
			11.2
			11.8
			12.5
			13.2
			14
			15
			16
			17
			18
			19	±0.22
			20
			21.2
			22.4
			23.6
			25
			26.5
			28
			30
			32.5	±0.3
			34.5
			36.5
			38.7
			42.5	±0.36
			46.2
			50
	2.65	±0.09	10.6	±0.17
			11.2
			11.8
			12.5
			13.2
			14
			15
			16
			17
			18
			19	±0.22
20
21.2
22.4
23.6
25
26.5
28

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	2.65	±0.09	30	±0.22
			31.5	±0.3
			32.5
			33.5
			34.5
			35.5
			36.5
			37.5
			38.7
			40
			41.2	±0.36
			42.5
			43.7
			45
			46.2
			47.5
			48.7
			50
			51.5	±0.44
			53
			54.5
			56
			58
			60
			61.5
			63
			67	±0.53
			71
			75
			80
			85	±0.65
			90
			95
			100
			106
			112
			118
			125	±0.9
			132
			140
			150
	3.55	±0.1	18	±0.17
			19	±0.22
			20
			21.2
			22.4
			23.6
			25
			26.5
			28
			30
			31.5	±0.3
			32.5
			33.5
			34.5
			35.5
			36.5
			37.5
			38.7
			40
			41.2	±0.36
			42.5
			43.7
			45
46.2
47.5
48.7
50
51.5			±0.44
53
54.5

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	3.55	±0.1	56	±0.44
			58
			60
			61.5
			63
			65	±0.53
			67
			69
			71
			73
			75
			77.5
			80
			82.5	±0.65
			85
			87.5
			90
			92.5
			95
			97.5
			100
			103
			106
			109
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
	5.3	±0.13	40	±0.3
			41.2	±0.36
			42.5
			43.7
			45
			46.2
			47.5
			48.7	±0.36
			50	±0.36
			51.5	±0.44
			53
			54.5
			56
			58
			60
			61.5
			63
			65	±0.53
			67
69
71
73
75
77.5
80

Material	Wire Diameter W (mm)	Wire Diameter Tolerance (mm)	I.D. d (mm)	I.D. Tolerance (mm)
Nitrile Rubber Fluoro Rubber	5.3	±0.13	82.5	±0.65
			85
			87.5
			90
			92.5
			95
			97.5
			100
			103
			106
			109
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
			206
			212
			218
			224
			230
			236
			243
			250
	7	±0.15	109	±0.65
			112
			115
			118
			122	±0.9
			125
			128
			132
			136
			140
			145
			150
			155
			160
			165
			170
			175
			180
			185	±1.2
			190
			195
			200
			206
			212
218
224
230
236
243
250

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

Frequently asked question (FAQ)

Question: MISUMI economy series O-ring is made according to what standard? Can you introduce the operating environment and slotting size requirements?: Answer: MISUMI economy series O-rings a series of Chinese national standard products, and the operating environment is differentiated according to the material. The operating temperature is 100℃ for nitrile rubber and 200℃ for fluororubber. The slotting size is determined according to the wire diameter and the way of use. Please refer to the content of the precautions for use on the web page.
Question: What preparations are needed before installing the O-ring?: Answer: Please apply sealing fluid to the installation surface and O-ring before installation. Please apply silicone oil in a dry environment (except when the O-ring is silicone). Do not apply if there is contamination due to sealing fluid. Before installation, please do not clean the machine with gasoline or cleaning oil to avoid rubber expansion.

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