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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...
43,951
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
197,184
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
1,516
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
733
$0.19

Add:
Min Qty:  6
Quantity Discounts
6-230$0.19
231-751$0.152
752+$0.133
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...
11,568
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-291$0.15
292-952$0.12
953+$0.105
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...
-29,254
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-8,774$0.05
8,775-14,999$0.04
15,000+$0.04
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...
64,775
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
1,924
$0.15

Add:
Min Qty:  7
Quantity Discounts
7-291$0.15
292-952$0.12
953+$0.105
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...
40,884
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
48,170
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
855
$0.23

Add:
Min Qty:  5
Quantity Discounts
5-184$0.23
185-588$0.19
589+$0.17
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...
16,774
$0.23

Add:
Min Qty:  5
Quantity Discounts
5-184$0.23
185-588$0.19
589+$0.17
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...
54,105
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
188
$0.32

Add:
Min Qty:  4
Quantity Discounts
4-134$0.32
135-434$0.26
435+$0.23
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...
725
$0.25

Add:
Min Qty:  4
Quantity Discounts
4-174$0.25
175-555$0.20
556+$0.18
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...
21,406
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
4,819
$0.28

Add:
Min Qty:  4
Quantity Discounts
4-152$0.28
153-499$0.23
500+$0.20
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...
28,697
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-874$0.05
875-2,857$0.04
2,858+$0.035
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...
4,425
$0.29

Add:
Min Qty:  4
Quantity Discounts
4-145$0.29
146-476$0.24
477+$0.21
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...
45
$0.62

Add:
Min Qty:  2
Quantity Discounts
2-701$0.62
702-1,363$0.50
1,364+$0.44
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...
54,609
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-624$0.07
625-2,040$0.056
2,041+$0.049
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...
55,789
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-624$0.07
625-2,040$0.056
2,041+$0.049
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...
76,350
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-624$0.07
625-2,040$0.056
2,041+$0.049
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...
66,941
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-624$0.07
625-2,040$0.056
2,041+$0.049
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...
13,102
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-624$0.07
625-2,040$0.056
2,041+$0.049