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1.78mm 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
1.78mm X 1.78mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X001.78

1.78mm X 1.78mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
41,348
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 2.57mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X002.57

1.78mm X 2.57mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
208,723
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 2.9mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X002.9

1.78mm X 2.9mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
42,560
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 3.17mm (NBR) Buna-N 70 Duro Metric O-Ring BS801 N1.78X003.17

1.78mm X 3.17mm (NBR) Buna-N 70 Duro Metric O-Ring BS801

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
849
$0.12

Add:
Min Qty:  9
Quantity Discounts
9-111$0.12
112-1,666$0.09
1,667+$0.06
1.78mm X 3.2mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X003.2

1.78mm X 3.2mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
11,960
$0.09

Add:
Min Qty:  12
Quantity Discounts
12-148$0.09
149-2,222$0.068
2,223+$0.045
1.78mm X 3.68mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X003.68

1.78mm X 3.68mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
18,279
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 4.47mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X004.47

1.78mm X 4.47mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
80,862
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 4.76mm (NBR) Buna-N 70 Duro Metric O-Ring BS802 N1.78X004.76

1.78mm X 4.76mm (NBR) Buna-N 70 Duro Metric O-Ring BS802

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
2,144
$0.09

Add:
Min Qty:  12
Quantity Discounts
12-148$0.09
149-2,222$0.068
2,223+$0.045
1.78mm X 5.28mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X005.28

1.78mm X 5.28mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
20,664
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 6.07mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X006.07

1.78mm X 6.07mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
26,291
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 6.35mm (NBR) Buna-N 70 Duro Metric O-Ring BS803 N1.78X006.35

1.78mm X 6.35mm (NBR) Buna-N 70 Duro Metric O-Ring BS803

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
1,249
$0.14

Add:
Min Qty:  8
Quantity Discounts
8-95$0.14
96-1,428$0.105
1,429+$0.07
1.78mm X 6.75mm (NBR) Buna-N 70 Duro Metric O-Ring BS610 N1.78X006.75

1.78mm X 6.75mm (NBR) Buna-N 70 Duro Metric O-Ring BS610

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
19,989
$0.14

Add:
Min Qty:  8
Quantity Discounts
8-95$0.14
96-1,428$0.105
1,429+$0.07
1.78mm X 7.65mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X007.65

1.78mm X 7.65mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
63,596
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 7.94mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X007.94

1.78mm X 7.94mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
502
$0.20

Add:
Min Qty:  5
Quantity Discounts
5-66$0.20
67-999$0.15
1,000+$0.10
1.78mm X 8.73mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X008.73

1.78mm X 8.73mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
2,339
$0.16

Add:
Min Qty:  7
Quantity Discounts
7-83$0.16
84-1,249$0.12
1,250+$0.08
1.78mm X 9.25mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X009.25

1.78mm X 9.25mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
40,814
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
N1.78X009.52 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X009.52

N1.78X009.52 (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
4,849
$0.17

Add:
Min Qty:  6
Quantity Discounts
6-78$0.17
79-1,176$0.128
1,177+$0.085
1.78mm X 10.82mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X010.82

1.78mm X 10.82mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
52,395
$0.03

Add:
Min Qty:  34
Quantity Discounts
34-444$0.03
445-6,666$0.023
6,667+$0.015
1.78mm X 11.11mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X011.11

1.78mm X 11.11mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
502
$0.18

Add:
Min Qty:  6
Quantity Discounts
6-74$0.18
75-1,111$0.135
1,112+$0.09
1.78mm X 11.91mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X011.91

1.78mm X 11.91mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
49
$0.39

Add:
Min Qty:  3
Quantity Discounts
3-34$0.39
35-512$0.293
513+$0.195
1.78mm X 12.42mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X012.42

1.78mm X 12.42mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
18,645
$0.04

Add:
Min Qty:  25
Quantity Discounts
25-333$0.04
334-4,999$0.03
5,000+$0.02
1.78mm X 14mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X014

1.78mm X 14mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
86,614
$0.04

Add:
Min Qty:  25
Quantity Discounts
25-333$0.04
334-4,999$0.03
5,000+$0.02
1.78mm X 15.6mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X015.6

1.78mm X 15.6mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
37,478
$0.04

Add:
Min Qty:  25
Quantity Discounts
25-333$0.04
334-4,999$0.03
5,000+$0.02
1.78mm X 17.17mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X017.17

1.78mm X 17.17mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
85,550
$0.04

Add:
Min Qty:  25
Quantity Discounts
25-333$0.04
334-4,999$0.03
5,000+$0.02
1.78mm X 18.77mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X018.77

1.78mm X 18.77mm (NBR) Buna-N 70 Duro Metric O-Ring

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
33,411
$0.04

Add:
Min Qty:  25
Quantity Discounts
25-333$0.04
334-4,999$0.03
5,000+$0.02




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