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.

Displaying 126 to 150 (of 215 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 2.5mm X 83mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X083
2.5mm X 83mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 225
$0.540
Add:
Min Qty:  6
Quantity Discounts
6-86$0.540
87-3,499$0.405
3,500$0.284
11,000+$0.228
(image for) 2.5mm X 84mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X084
2.5mm X 84mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 228
$0.540
Add:
Min Qty:  6
Quantity Discounts
6-86$0.540
87-3,499$0.405
3,500$0.284
11,000+$0.228
(image for) 2.5mm X 85mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X085
2.5mm X 85mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 35
$0.550
Add:
Min Qty:  6
Quantity Discounts
6-84$0.550
85-3,399$0.413
3,400$0.290
10,800+$0.232
(image for) 2.5mm X 86mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X086
2.5mm X 86mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 10
$0.550
Add:
Min Qty:  6
Quantity Discounts
6-84$0.550
85-3,399$0.413
3,400$0.290
10,800+$0.232
(image for) 2.5mm X 87mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X087
2.5mm X 87mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 274
$0.570
Add:
Min Qty:  6
Quantity Discounts
6-81$0.570
82-3,299$0.428
3,300$0.300
10,400+$0.240
(image for) 2.5mm X 88mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X088
2.5mm X 88mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.580
Add:
Min Qty:  6
Quantity Discounts
6-80$0.580
81-3,299$0.435
3,300$0.305
10,200+$0.244
(image for) 2.5mm X 89mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X089
2.5mm X 89mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.580
Add:
Min Qty:  345
Quantity Discounts
345-804$0.580
805-3,299$0.435
3,300$0.305
10,200+$0.244
(image for) 2.5mm X 90mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X090
2.5mm X 90mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 63
$0.590
Add:
Min Qty:  6
Quantity Discounts
6-79$0.590
80-3,199$0.443
3,200-9,999$0.311
10,000+$0.249
(image for) 2.5mm X 91mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X091
2.5mm X 91mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 87
$0.590
Add:
Min Qty:  6
Quantity Discounts
6-79$0.590
80-3,199$0.443
3,200-9,999$0.311
10,000+$0.249
(image for) 2.5mm X 92mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X092
2.5mm X 92mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 76
$0.600
Add:
Min Qty:  5
Quantity Discounts
5-77$0.600
78-3,199$0.450
3,200-9,899$0.315
9,900+$0.252
(image for) 2.5mm X 93mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X093
2.5mm X 93mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 116
$0.600
Add:
Min Qty:  5
Quantity Discounts
5-77$0.600
78-3,199$0.450
3,200-9,899$0.315
9,900+$0.252
(image for) 2.5mm X 94mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X094
2.5mm X 94mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.600
Add:
Min Qty:  334
Quantity Discounts
334-777$0.600
778-3,199$0.450
3,200-9,899$0.315
9,900+$0.252
(image for) 2.5mm X 95mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X095
2.5mm X 95mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 36
$0.620
Add:
Min Qty:  5
Quantity Discounts
5-75$0.620
76-3,099$0.465
3,100-9,599$0.326
9,600+$0.261
(image for) 2.5mm X 96mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X096
2.5mm X 96mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.620
Add:
Min Qty:  323
Quantity Discounts
323-752$0.620
753-3,099$0.465
3,100-9,599$0.326
9,600+$0.261
(image for) 2.5mm X 97mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X097
2.5mm X 97mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 90
$0.620
Add:
Min Qty:  5
Quantity Discounts
5-75$0.620
76-3,099$0.465
3,100-9,599$0.326
9,600+$0.261
(image for) 2.5mm X 98mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X098
2.5mm X 98mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 226
$0.630
Add:
Min Qty:  5
Quantity Discounts
5-73$0.630
74-2,999$0.473
3,000-9,399$0.332
9,400+$0.266
(image for) 2.5mm X 99mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X099
2.5mm X 99mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 16
$0.630
Add:
Min Qty:  5
Quantity Discounts
5-73$0.630
74-2,999$0.473
3,000-9,399$0.332
9,400+$0.266
(image for) 2.5mm X 100mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X100
2.5mm X 100mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 1713
$0.630
Add:
Min Qty:  5
Quantity Discounts
5-73$0.630
74-2,999$0.473
3,000-9,399$0.332
9,400+$0.266
(image for) 2.5mm X 101mm ID (NBR) Buna-N 70 Duro Metric O-Ring N2.50X101
2.5mm X 101mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 10
$0.640
Add:
Min Qty:  5
Quantity Discounts
5-72$0.640
73-2,999$0.480
3,000-9,299$0.336
9,300+$0.269
(image for) 2.5mm X 102mm ID (NBR) Buna-N 70 Duro Metric O-Ring N2.50X102
2.5mm X 102mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.640
Add:
Min Qty:  313
Quantity Discounts
313-729$0.640
730-2,999$0.480
3,000-9,299$0.336
9,300+$0.269
(image for) 2.5mm X 103mm ID (NBR) Buna-N 70 Duro Metric O-Ring N2.50X103
2.5mm X 103mm ID (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.640
Add:
Min Qty:  5
Quantity Discounts
5-72$0.640
73-2,999$0.480
3,000-9,299$0.336
9,300+$0.269
(image for) 2.5mm X 104mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X104
2.5mm X 104mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 1
$0.650
Add:
Min Qty:  308
Quantity Discounts
308-717$0.650
718-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(image for) 2.5mm X 105mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X105
2.5mm X 105mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 0
$0.650
Add:
Min Qty:  308
Quantity Discounts
308-717$0.650
718-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(image for) 2.5mm X 106mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X106
2.5mm X 106mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 1097
$0.650
Add:
Min Qty:  5
Quantity Discounts
5-71$0.650
72-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(image for) 2.5mm X 107mm (NBR) Buna-N 70 Duro Metric O-Ring N2.50X107
2.5mm X 107mm (NBR) Buna-N 70 Duro Metric O-Ring
Metric Buna-N (Nitrile) O-Rings 70 Duro Black When you need reliable, cost-effective sealing, Buna-N 70 Duro O-Rings are the industry's most trusted solution. Known for their durability and versatility, these general-purpose O-Rings deliver excellent resistance to petroleum-based oils, fuels, and...
 In Stock: 239
$0.670
Add:
Min Qty:  5
Quantity Discounts
5-69$0.670
70-2,799$0.503
2,800-8,799$0.353
8,800+$0.283
Displaying 126 to 150 (of 215 Products)
Copyright © 2025 The O-Ring Store, LLC
1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719