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8.4mm 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
8.4mm X 144.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X144.1

8.4mm X 144.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
5
$10.40

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Quantity Discounts
1-44$10.40
45-288$8.32
289+$6.24
8.4mm X 149.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P150A) N8.40X149.5

8.4mm X 149.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P150A)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
3
$32.75

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Quantity Discounts
1$32.75
2-12$26.20
13+$19.65
8.4mm X 154.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P155) N8.40X154.5

8.4mm X 154.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P155)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$4.80

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Min Qty:  93
Quantity Discounts
93-65$4.80
66-868$3.84
869+$2.88
8.4mm X 159.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P160) N8.40X159.5

8.4mm X 159.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P160)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.40

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Min Qty:  93
Quantity Discounts
93-57$5.40
58-771$4.32
772+$3.24
8.4mm X 164.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X164.1

8.4mm X 164.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$6.75

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Quantity Discounts
1-69$6.75
70-444$5.40
445+$4.05
8.4mm X 164.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P165) N8.40X164.5

8.4mm X 164.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P165)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.42

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Min Qty:  75
Quantity Discounts
75-57$5.42
58-768$4.336
769+$3.252
8.4mm X 169.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P170) N8.40X169.5

8.4mm X 169.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P170)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
1
$6.75

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Quantity Discounts
1-9$6.75
10-61$5.40
62+$4.05
8.4mm X 174.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X174.1

8.4mm X 174.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$7.04

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Min Qty:  72
Quantity Discounts
72-66$7.04
67-426$5.632
427+$4.224
8.4mm X 174.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P175) N8.40X174.5

8.4mm X 174.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P175)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
1
$5.44

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Quantity Discounts
1-11$5.44
12-76$4.352
77+$3.264
8.4mm X 179.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X179.1

8.4mm X 179.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$7.04

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Min Qty:  72
Quantity Discounts
72-66$7.04
67-426$5.632
427+$4.224
8.4mm X 179.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P180) N8.40X179.5

8.4mm X 179.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P180)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
2
$10.41

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Quantity Discounts
1-6$10.41
7-40$8.328
41+$6.246
8.4mm X 184.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X184.1

8.4mm X 184.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$7.32

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Min Qty:  69
Quantity Discounts
69-63$7.32
64-409$5.856
410+$4.392
8.4mm X 184.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P185) N8.40X184.5

8.4mm X 184.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P185)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.59

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Min Qty:  133
Quantity Discounts
133-55$5.59
56-745$4.472
746+$3.354
8.4mm X 189.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P190) N8.40X189.5

8.4mm X 189.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P190)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$3.78

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Quantity Discounts
1-16$3.78
17-110$3.024
111+$2.268
8.4mm X 194.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P195) N8.40X194.5

8.4mm X 194.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P195)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.66

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Min Qty:  87
Quantity Discounts
87-55$5.66
56-736$4.528
737+$3.396
8.4mm X 199.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X199.1

8.4mm X 199.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$9.56

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Min Qty:  53
Quantity Discounts
53-48$9.56
49-313$7.648
314+$5.736
8.4mm X 199.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P200) N8.40X199.5

8.4mm X 199.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P200)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
1
$5.81

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Quantity Discounts
1-10$5.81
11-71$4.648
72+$3.486
8.4mm X 204.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X204.1

8.4mm X 204.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$14.15

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Min Qty:  36
Quantity Discounts
36-32$14.15
33-212$11.32
213+$8.49
8.4mm X 204.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P205) N8.40X204.5

8.4mm X 204.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P205)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.88

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Min Qty:  85
Quantity Discounts
85-53$5.88
54-708$4.704
709+$3.528
8.4mm X 208.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P209) N8.40X208.5

8.4mm X 208.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P209)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$5.95

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Min Qty:  50
Quantity Discounts
50-52$5.95
53-700$4.76
701+$3.57
8.4mm X 209.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40X209.1

8.4mm X 209.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$10.04

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Min Qty:  50
Quantity Discounts
50-46$10.04
47-298$8.032
299+$6.024
8.4mm X 209.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P210) N8.40X209.5

8.4mm X 209.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P210)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$10.00

Add:
Min Qty:  51
Quantity Discounts
51-31$10.00
32-416$8.00
417+$6.00
8.4mm X 214.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P215) N8.40X214.5

8.4mm X 214.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P215)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
9
$9.98

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Quantity Discounts
1-6$9.98
7-41$7.984
42+$5.988
8.4mm X 219.1mm (NBR) Buna-N 70 Duro Metric O-Rings N8.40x219.1

8.4mm X 219.1mm (NBR) Buna-N 70 Duro Metric O-Rings

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$10.38

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Min Qty:  49
Quantity Discounts
49-44$10.38
45-289$8.304
290+$6.228
8.4mm X 219.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P220) N8.40X219.5

8.4mm X 219.5mm (NBR) Buna-N 70 Duro Metric O-Rings (JIS P220)

Cross Section "CS" X Inside Diameter "ID" Metric O-Rings Buna-N 70 Duro (NBR): The most commonly used elastomer for sealing...
0
$6.03

Add:
Min Qty:  58
Quantity Discounts
58-51$6.03
52-690$4.824
691+$3.618