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O-Rings

2.5mm 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
2.5mm X 3mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X003

2.5mm X 3mm (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...
5,422
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 3mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X003.5

2.5mm X 3mm (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...
0
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 3.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X004

2.5mm X 3.5mm (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...
97,685
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 4.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X004.5

2.5mm X 4.5mm (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...
11,902
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 4.6mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X004.6

2.5mm X 4.6mm (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...
632
$0.86

Add:
Min Qty:  2
Quantity Discounts
2-15$0.86
16-232$0.645
233+$0.43
2.5mm X 5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X005

2.5mm X 5mm (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...
81,989
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 5.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X005.5

2.5mm X 5.5mm (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...
12,060
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X006

2.5mm X 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...
3,645
$0.05

Add:
Min Qty:  20
Quantity Discounts
20-266$0.05
267-3,999$0.038
4,000+$0.025
2.5mm X 6.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X006.5

2.5mm X 6.5mm (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...
35,124
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 7mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X007

2.5mm X 7mm (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...
2,404
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 7.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X007.5

2.5mm X 7.5mm (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...
2,680
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X008

2.5mm X 8mm (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...
80,476
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 8.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X008.5

2.5mm X 8.5mm (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...
25,241
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 9mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X009

2.5mm X 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...
78,109
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 9.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X009.5

2.5mm X 9.5mm (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...
5,212
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 10mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X010

2.5mm X 10mm (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...
97,462
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 10.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X010.5

2.5mm X 10.5mm (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...
8,915
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 11mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X011

2.5mm X 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...
73,376
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 11.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X011.5

2.5mm X 11.5mm (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...
1,966
$0.06

Add:
Min Qty:  17
Quantity Discounts
17-222$0.06
223-3,333$0.045
3,334+$0.03
2.5mm X 12mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X012

2.5mm X 12mm (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...
51,397
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-190$0.07
191-2,857$0.053
2,858+$0.035
2.5mm X 12.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X012.5

2.5mm X 12.5mm (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...
11,758
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-190$0.07
191-2,857$0.053
2,858+$0.035
2.5mm X 13mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X013

2.5mm X 13mm (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...
58,023
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-190$0.07
191-2,857$0.053
2,858+$0.035
2.5mm X 13.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X013.5

2.5mm X 13.5mm (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...
3,048
$0.07

Add:
Min Qty:  15
Quantity Discounts
15-190$0.07
191-2,857$0.053
2,858+$0.035
2.5mm X 14mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X014

2.5mm 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...
49,823
$0.08

Add:
Min Qty:  13
Quantity Discounts
13-166$0.08
167-2,499$0.06
2,500+$0.04
2.5mm X 14.5mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X014.5

2.5mm X 14.5mm (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...
1,844
$0.08

Add:
Min Qty:  13
Quantity Discounts
13-166$0.08
167-2,499$0.06
2,500+$0.04




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