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-200 Series - 1/8" CS - 0.139" CS

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.

Operating temperature: -40° to +250°F




Image Model+ Item Name Qty. Price Quantity Discounts
-221 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70221

-221 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 7/16"ID X 1 11/16"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also...
1022
$0.07

Add:
Min:  9
Quantity Discounts
9-499$0.07
500-3,499$0.05
3,500+$0.04
-222 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70222

-222 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 1/2"ID X 1 3/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
4575
$0.07

Add:
Min:  8
Quantity Discounts
8-499$0.07
500-2,499$0.05
2,500+$0.04
-223 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70223

-223 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 5/8"ID X 1 7/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
417
$0.07

Add:
Min:  9
Quantity Discounts
9-499$0.07
500-3,499$0.05
3,500+$0.04
-224 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70224

-224 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 3/4"ID X 2"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
0
$0.08

Add:
Min:  8
Quantity Discounts
8-499$0.08
500-2,499$0.06
2,500+$0.04
-225 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70225

-225 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

1 7/8"ID X 2 1/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1771
$0.08

Add:
Min:  8
Quantity Discounts
8-499$0.08
500-2,499$0.06
2,500+$0.04
-226 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70226

-226 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2"ID X 2 1/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
263
$0.08

Add:
Min:  8
Quantity Discounts
8-499$0.08
500-2,499$0.06
2,500+$0.04
-227 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70227

-227 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 1/8"ID X 2 3/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1819
$0.10

Add:
Min:  6
Quantity Discounts
6-349$0.10
350-1,999$0.08
2,000+$0.05
-228 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70228

-228 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 1/4"ID X 2 1/2"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
6999
$0.10

Add:
Min:  6
Quantity Discounts
6-349$0.10
350-1,999$0.08
2,000+$0.05
-229 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70229

-229 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 3/8"ID X 2 5/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
736
$0.10

Add:
Min:  5
Quantity Discounts
5-349$0.10
350-1,999$0.08
2,000+$0.05
-230 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70230

-230 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 1/2"ID X 2 3/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
1092
$0.10

Add:
Min:  5
Quantity Discounts
5-349$0.10
350-1,999$0.08
2,000+$0.05
-231 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70231

-231 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 5/8"ID X 2 7/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
958
$0.12

Add:
Min:  5
Quantity Discounts
5-299$0.12
300-1,749$0.09
1,750+$0.06
-232 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70232

-232 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 3/4"ID X 3"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
2072
$0.12

Add:
Min:  5
Quantity Discounts
5-299$0.12
300-1,749$0.09
1,750+$0.06
-233 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70233

-233 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

2 7/8"ID X 3 1/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
472
$0.12

Add:
Min:  5
Quantity Discounts
5-299$0.12
300-1,749$0.09
1,750+$0.06
-234 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70234

-234 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3"ID X 3 1/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
451
$0.14

Add:
Min:  4
Quantity Discounts
4-249$0.14
250-1,499$0.11
1,500+$0.07
-235 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70235

-235 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 1/8"ID X 3 3/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
138
$0.14

Add:
Min:  4
Quantity Discounts
4-249$0.14
250-1,499$0.11
1,500+$0.07
-236 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70236

-236 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 1/4"ID X 3 1/2"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
2092
$0.14

Add:
Min:  4
Quantity Discounts
4-249$0.14
250-1,499$0.11
1,500+$0.07
-237 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70237

-237 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 3/8"ID X 3 5/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
97
$0.16

Add:
Min:  4
Quantity Discounts
4-224$0.16
225-1,249$0.12
1,250+$0.08
-238 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70238

-238 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 1/2"ID X 3 3/4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
996
$0.16

Add:
Min:  4
Quantity Discounts
4-224$0.16
225-1,249$0.12
1,250+$0.08
-239 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70239

-239 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 5/8"ID X 3 7/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known...
461
$0.16

Add:
Min:  4
Quantity Discounts
4-224$0.16
225-1,249$0.12
1,250+$0.08
-240 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring B70240

-240 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring

3 3/4"ID X 4"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as...
1206
$0.16

Add:
Min:  4
Quantity Discounts
4-224$0.16
225-1,249$0.12
1,250+$0.08