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3.1mm CS

Buna-N / Nitrile Metric O-Rings 70 Duro (NBR):

A general purpose, sulfur-cured Buna-N Nitrile O-Ring, the most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. More than 50% of the Orings sold are Buna-N Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

O-Ring Dimensions are defined by the cross section (CS) and the inside diameter (ID).

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.




Image Model+ Item Name Qty. Price Quantity Discounts
3.1mm X 24.4mm Metric Buna-N 70 O-ring (JIS G25) N3.10X024.4

3.1mm X 24.4mm Metric Buna-N 70 O-ring (JIS G25)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
913
$0.14

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Min:  4
Quantity Discounts
4-227$0.14
228-1,428$0.11
1,429+$0.07
3.1mm X 29.4mm Metric Buna-N 70 O-ring (JIS G30) N3.10X029.4

3.1mm X 29.4mm Metric Buna-N 70 O-ring (JIS G30)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
1363
$0.16

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Min:  4
Quantity Discounts
4-208$0.16
209-1,249$0.12
1,250+$0.08
3.1mm X 32mm Metric Buna-N 70 O-ring N3.10X032

3.1mm X 32mm Metric Buna-N 70 O-ring

Custom Molded Metric O-ring - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): 6 - 8 Week Lead Time ARO...
13
$4.67

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Quantity Discounts
1-7$4.67
8-42$3.50
43+$2.34
3.1mm X 34.4mm Metric Buna-N 70 O-ring (JIS G35) N3.10X034.4

3.1mm X 34.4mm Metric Buna-N 70 O-ring (JIS G35)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
934
$0.18

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Min:  3
Quantity Discounts
3-178$0.18
179-1,111$0.14
1,112+$0.09
3.1mm X 39.4mm Metric Buna-N 70 O-ring (JIS G40) N3.10X039.4

3.1mm X 39.4mm Metric Buna-N 70 O-ring (JIS G40)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
1427
$0.21

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Min:  3
Quantity Discounts
3-156$0.21
157-909$0.16
910+$0.11
3.1mm X 44.4mm Metric Buna-N 70 O-ring (JIS G45) N3.10X044.4

3.1mm X 44.4mm Metric Buna-N 70 O-ring (JIS G45)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
106
$0.24

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Min:  3
Quantity Discounts
3-138$0.24
139-833$0.18
834+$0.12
3.1mm X 49.4mm Metric Buna-N 70 O-ring (JIS G50) N3.10X049.4

3.1mm X 49.4mm Metric Buna-N 70 O-ring (JIS G50)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
352
$0.30

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Min:  2
Quantity Discounts
2-108$0.30
109-666$0.23
667+$0.15
3.1mm X 51.5mm Metric Buna-N 70 O-ring N3.10X051.5

3.1mm X 51.5mm Metric Buna-N 70 O-ring

Custom Molded Metric O-ring - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): 6 - 8 Week Lead Time ARO...
70
$4.70

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Quantity Discounts
1-7$4.70
8-42$3.53
43+$2.35
3.1mm X 54.4mm Metric Buna-N 70 O-ring (JIS G55) N3.10X054.4

3.1mm X 54.4mm Metric Buna-N 70 O-ring (JIS G55)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
648
$0.31

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Min:  2
Quantity Discounts
2-105$0.31
106-624$0.23
625+$0.16
3.1mm X 57.4mm Metric Buna-N 70 O-ring N3.10X057.4

3.1mm X 57.4mm Metric Buna-N 70 O-ring

Custom Molded Metric O-ring - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): 6 - 8 Week Lead Time ARO...
980
$0.67

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Quantity Discounts
1-7$0.67
8-42$0.50
43+$0.34
3.1mm X 59.4mm Metric Buna-N 70 O-ring (JIS G60) N3.10X059.4

3.1mm X 59.4mm Metric Buna-N 70 O-ring (JIS G60)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
877
$0.33

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Min:  2
Quantity Discounts
2-99$0.33
100-588$0.25
589+$0.17
3.1mm X 64.4mm Metric Buna-N 70 O-ring (JIS G65) N3.10X064.4

3.1mm X 64.4mm Metric Buna-N 70 O-ring (JIS G65)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
40
$0.37

Add:
Min:  2
Quantity Discounts
2-89$0.37
90-526$0.28
527+$0.19
3.1mm X 69.4mm Metric Buna-N 70 O-ring (JIS G70) N3.10X069.4

3.1mm X 69.4mm Metric Buna-N 70 O-ring (JIS G70)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
21
$0.38

Add:
Min:  2
Quantity Discounts
2-86$0.38
87-526$0.29
527+$0.19
3.1mm X 74.4mm Metric Buna-N 70 O-ring (JIS G75) N3.10X074.4

3.1mm X 74.4mm Metric Buna-N 70 O-ring (JIS G75)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
746
$0.40

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Min:  2
Quantity Discounts
2-83$0.40
84-499$0.30
500+$0.20
3.1mm X 79.4mm Metric Buna-N 70 O-ring (JIS G80) N3.10X079.4

3.1mm X 79.4mm Metric Buna-N 70 O-ring (JIS G80)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
963
$0.49

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Quantity Discounts
1-67$0.49
68-399$0.37
400+$0.25
3.1mm X 84.4mm Metric Buna-N 70 O-ring (JIS G85) N3.10X084.4

3.1mm X 84.4mm Metric Buna-N 70 O-ring (JIS G85)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
877
$0.80

Add:

Quantity Discounts
1-41$0.80
42-249$0.60
250+$0.40
3.1mm X 89.4mm Metric Buna-N 70 O-ring (JIS G90) N3.10X089.4

3.1mm X 89.4mm Metric Buna-N 70 O-ring (JIS G90)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
1168
$0.51

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Quantity Discounts
1-64$0.51
65-384$0.38
385+$0.26
3.1mm X 94.4mm Metric Buna-N 70 O-ring (JIS G95) N3.10X094.4

3.1mm X 94.4mm Metric Buna-N 70 O-ring (JIS G95)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
499
$0.65

Add:

Quantity Discounts
1-51$0.65
52-303$0.49
304+$0.33
3.1mm X 99.4mm Metric Buna-N 70 O-ring (JIS G100) N3.10X099.4

3.1mm X 99.4mm Metric Buna-N 70 O-ring (JIS G100)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
33
$0.68

Add:

Quantity Discounts
1-49$0.68
50-294$0.51
295+$0.34
3.1mm X 104.4mm Metric Buna-N 70 O-ring (JIS G105) N3.10X104.4

3.1mm X 104.4mm Metric Buna-N 70 O-ring (JIS G105)

Metric O-rings - Cross Section "CS" X Inside Diameter "ID" Nitrile, Buna-N O-Rings (NBR): Nitrile, also known as Buna-N or NBR,...
10
$0.68

Add:

Quantity Discounts
1-49$0.68
50-294$0.51
295+$0.34