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.

Displaying 1 to 25 (of 85 Products)
  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...
 564598 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 318711 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 182690 $0.200
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Min Qty:  5
Quantity Discounts
5-99$0.200
100-999$0.100
1,000+$0.090
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...
 686 $0.190
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Min Qty:  6
Quantity Discounts
6-230$0.190
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...
 11312 $0.150
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Min Qty:  7
Quantity Discounts
7-291$0.150
292-952$0.120
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...
 197856 $0.050
Add:
Quantity Discounts
1-8,774$0.050
8,775-14,999$0.040
15,000+$0.040
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...
 458806 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 5007 $0.150
Add:
Min Qty:  7
Quantity Discounts
7-291$0.150
292-952$0.120
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...
 226552 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 3007020 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 404 $0.230
Add:
Min Qty:  5
Quantity Discounts
5-184$0.230
185-588$0.190
589+$0.170
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...
 15175 $0.230
Add:
Min Qty:  5
Quantity Discounts
5-184$0.230
185-588$0.190
589+$0.170
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...
 1614770 $0.050
Add:
Min Qty:  25
Quantity Discounts
25-874$0.050
875-2,857$0.040
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...
 2107 $0.320
Add:
Min Qty:  4
Quantity Discounts
4-134$0.320
135-434$0.260
435+$0.230
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...
 25338 $0.250
Add:
Min Qty:  4
Quantity Discounts
4-174$0.250
175-555$0.200
556+$0.180
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...
 85216 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 4518 $0.280
Add:
Min Qty:  4
Quantity Discounts
4-152$0.280
153-499$0.230
500+$0.200
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...
 1189650 $0.050
Add:
Quantity Discounts
1-874$0.050
875-2,857$0.040
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...
 3682 $0.290
Add:
Min Qty:  4
Quantity Discounts
4-145$0.290
146-476$0.240
477+$0.210
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...
 738 $0.620
Add:
Min Qty:  2
Quantity Discounts
2-701$0.620
702-1,363$0.500
1,364+$0.440
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...
 1077790 $0.070
Add:
Quantity Discounts
1-624$0.070
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...
 1344720 $0.070
Add:
Quantity Discounts
1-624$0.070
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...
 752586 $0.070
Add:
Quantity Discounts
1-624$0.070
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...
 202305 $0.070
Add:
Quantity Discounts
1-624$0.070
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...
 400802 $0.070
Add:
Quantity Discounts
1-624$0.070
625-2,040$0.056
2,041+$0.049
Displaying 1 to 25 (of 85 Products)
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