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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.




Image Model Item Name Qty. Price Quantity Discounts+
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...
12,030
$0.09

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Min Qty:  5
Quantity Discounts
5-518$0.09
519-3,333$0.072
3,334+$0.054
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...
1,368
$0.09

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Min Qty:  5
Quantity Discounts
5-518$0.09
519-3,333$0.072
3,334+$0.054
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...
1,459
$0.14

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Min Qty:  10
Quantity Discounts
10-333$0.14
334-2,142$0.112
2,143+$0.084
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...
181
$0.14

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Min Qty:  4
Quantity Discounts
4-333$0.14
334-2,142$0.112
2,143+$0.084
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...
859
$0.20

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Min Qty:  3
Quantity Discounts
3-233$0.20
234-1,499$0.16
1,500+$0.12
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...
2,709
$0.16

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Min Qty:  4
Quantity Discounts
4-291$0.16
292-1,874$0.128
1,875+$0.096
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...
5,066
$0.17

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Min Qty:  3
Quantity Discounts
3-274$0.17
275-1,764$0.136
1,765+$0.102
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...
861
$0.18

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Min Qty:  3
Quantity Discounts
3-259$0.18
260-1,666$0.144
1,667+$0.108
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...
59
$0.39

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Min Qty:  2
Quantity Discounts
2-119$0.39
120-769$0.312
770+$0.234
N1.78X019.15 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X019.15

N1.78X019.15 (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...
972
$0.49

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Min Qty:  2
Quantity Discounts
2-95$0.49
96-612$0.392
613+$0.294
N1.78X036 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X036

N1.78X036 (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
$0.57

Add:
Min Qty:  527
Quantity Discounts
527-818$0.57
819-5,263$0.456
5,264+$0.342
N1.78X036.27 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X036.27

N1.78X036.27 (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...
7
$0.38

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Min Qty:  2
Quantity Discounts
2-122$0.38
123-789$0.304
790+$0.228
N1.78X039.45 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X039.45

N1.78X039.45 (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...
895
$0.59

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Quantity Discounts
1-79$0.59
80-508$0.472
509+$0.354
N1.78X045.84 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X045.84

N1.78X045.84 (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
$1.18

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Quantity Discounts
1-39$1.18
40-254$0.944
255+$0.708
N1.78X079 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X079

N1.78X079 (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...
15
$1.49

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Min Qty:  202
Quantity Discounts
202-313$1.49
314-2,013$1.192
2,014+$0.894
N1.78X085.34 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X085.34

N1.78X085.34 (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...
187
$1.63

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Quantity Discounts
1-28$1.63
29-184$1.304
185+$0.978
N1.78X091.7 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X091.7

N1.78X091.7 (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...
209
$1.73

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Quantity Discounts
1-26$1.73
27-173$1.384
174+$1.038
N1.78X098.05 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X098.05

N1.78X098.05 (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...
6,335
$1.94

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Quantity Discounts
1-24$1.94
25-154$1.552
155+$1.164
N1.78X104.4 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X104.4

N1.78X104.4 (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
$2.11

Add:
Min Qty:  143
Quantity Discounts
143-22$2.11
23-142$1.688
143+$1.266
N1.78X110.74 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X110.74

N1.78X110.74 (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...
132
$2.11

Add:

Quantity Discounts
1-22$2.11
23-142$1.688
143+$1.266
N1.78X117.1 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X117.1

N1.78X117.1 (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...
56
$2.36

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Quantity Discounts
1-19$2.36
20-127$1.888
128+$1.416
N1.78X123.44 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X123.44

N1.78X123.44 (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
$2.61

Add:
Min Qty:  20
Quantity Discounts
20-71$2.61
72-318$2.088
319+$1.566
N1.78X129.4 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X129.4

N1.78X129.4 (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...
138
$2.86

Add:

Quantity Discounts
1-16$2.86
17-104$2.288
105+$1.716
N1.78X135.76 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X135.76

N1.78X135.76 (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
$3.11

Add:
Min Qty:  97
Quantity Discounts
97-15$3.11
16-96$2.488
97+$1.866
N1.78X142.11 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X142.11

N1.78X142.11 (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
$4.90

Add:
Min Qty:  62
Quantity Discounts
62-9$4.90
10-61$3.92
62+$2.94