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)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 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...
 In Stock: 540119
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 314204
$0.070
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Min Qty:  40
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40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 147603
$0.250
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Min Qty:  10
Quantity Discounts
10-199$0.250
200-999$0.200
1,000+$0.188
(image for) 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...
 In Stock: 551
$0.240
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Min Qty:  10
Quantity Discounts
10-199$0.240
200-999$0.192
1,000+$0.180
(image for) 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...
 In Stock: 11287
$0.190
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Min Qty:  10
Quantity Discounts
10-199$0.190
200-1,999$0.152
2,000+$0.143
(image for) 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...
 In Stock: 128379
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 283681
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 1510
$0.190
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Min Qty:  10
Quantity Discounts
10-199$0.190
200-1,999$0.152
2,000+$0.143
(image for) 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...
 In Stock: 140776
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 2469490
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 179
$0.290
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Min Qty:  10
Quantity Discounts
10-199$0.290
200-999$0.232
1,000+$0.218
(image for) 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...
 In Stock: 13055
$0.290
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Min Qty:  10
Quantity Discounts
10-199$0.290
200-999$0.232
1,000+$0.218
(image for) 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...
 In Stock: 1470030
$0.070
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Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 475
$0.400
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Min Qty:  10
Quantity Discounts
10-99$0.400
100-999$0.320
1,000+$0.300
(image for) 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...
 In Stock: 20221
$0.320
Add:
Min Qty:  10
Quantity Discounts
10-99$0.320
100-999$0.256
1,000+$0.240
(image for) 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...
 In Stock: 78081
$0.070
Add:
Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 3886
$0.350
Add:
Min Qty:  10
Quantity Discounts
10-99$0.350
100-999$0.280
1,000+$0.263
(image for) 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...
 In Stock: 1133710
$0.070
Add:
Min Qty:  40
Quantity Discounts
40-599$0.070
600-4,999$0.056
5,000+$0.053
(image for) 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...
 In Stock: 2814
$0.370
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Min Qty:  10
Quantity Discounts
10-99$0.370
100-999$0.296
1,000+$0.278
(image for) 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...
 In Stock: 671
$0.780
Add:
Min Qty:  3
Quantity Discounts
3-99$0.780
100-999$0.624
1,000+$0.585
(image for) 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...
 In Stock: 1020240
$0.090
Add:
Min Qty:  30
Quantity Discounts
30-499$0.090
500-3,999$0.072
4,000+$0.068
(image for) 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...
 In Stock: 1293210
$0.090
Add:
Min Qty:  30
Quantity Discounts
30-499$0.090
500-3,999$0.072
4,000+$0.068
(image for) 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...
 In Stock: 568781
$0.090
Add:
Min Qty:  30
Quantity Discounts
30-499$0.090
500-3,999$0.072
4,000+$0.068
(image for) 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...
 In Stock: 187030
$0.090
Add:
Min Qty:  30
Quantity Discounts
30-499$0.090
500-3,999$0.072
4,000+$0.068
(image for) 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...
 In Stock: 379780
$0.090
Add:
Min Qty:  30
Quantity Discounts
30-499$0.090
500-3,999$0.072
4,000+$0.068
Displaying 1 to 25 (of 85 Products)
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