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4.5mm 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
4.5mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X006

4.5mm 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...
1,076
$0.42

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Min Qty:  3
Quantity Discounts
3-102$0.42
103-333$0.34
334+$0.30
4.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X008

4.5mm 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...
1,219
$0.42

Add:
Min Qty:  3
Quantity Discounts
3-102$0.42
103-333$0.34
334+$0.30
4.5mm X 9mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X009

4.5mm 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...
764
$0.42

Add:
Min Qty:  3
Quantity Discounts
3-102$0.42
103-333$0.34
334+$0.30
4.5mm X 10mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X010

4.5mm 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...
494
$0.42

Add:
Min Qty:  3
Quantity Discounts
3-102$0.42
103-333$0.34
334+$0.30
4.5mm X 11mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X011

4.5mm 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...
494
$0.43

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Min Qty:  3
Quantity Discounts
3-99$0.43
100-322$0.35
323+$0.31
4.5mm X 12mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X012

4.5mm 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...
549
$0.44

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Min Qty:  3
Quantity Discounts
3-97$0.44
98-322$0.36
323+$0.31
4.5mm X 13mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X013

4.5mm 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...
23
$0.47

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Min Qty:  3
Quantity Discounts
3-923$0.47
924-1,818$0.38
1,819+$0.33
4.5mm X 15mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X015

4.5mm X 15mm (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...
2,675
$0.49

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Min Qty:  3
Quantity Discounts
3-87$0.49
88-285$0.40
286+$0.35
4.5mm X 15.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X015.5

4.5mm X 15.5mm (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...
23
$0.53

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Min Qty:  2
Quantity Discounts
2-816$0.53
817-1,578$0.43
1,579+$0.38
4.5mm X 16mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X016

4.5mm X 16mm (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...
165
$0.54

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Min Qty:  2
Quantity Discounts
2-79$0.54
80-263$0.44
264+$0.38
4.5mm X 17mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X017

4.5mm X 17mm (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...
888
$0.57

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Min Qty:  2
Quantity Discounts
2-76$0.57
77-249$0.46
250+$0.40
4.5mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X018

4.5mm X 18mm (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...
9
$0.60

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Min Qty:  2
Quantity Discounts
2-731$0.60
732-1,428$0.48
1,429+$0.42
4.5mm X 19mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X019

4.5mm X 19mm (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...
19
$0.62

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Min Qty:  2
Quantity Discounts
2-701$0.62
702-1,363$0.50
1,364+$0.44
4.5mm X 20mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X020

4.5mm X 20mm (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...
90
$0.65

Add:
Min Qty:  2
Quantity Discounts
2-674$0.65
675-1,304$0.52
1,305+$0.46
4.5mm X 21mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X021

4.5mm X 21mm (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
$0.68

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Min Qty:  2
Quantity Discounts
2-638$0.68
639-1,249$0.55
1,250+$0.48
4.5mm X 21.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X021.5

4.5mm X 21.5mm (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...
65
$0.69

Add:
Min Qty:  2
Quantity Discounts
2-626$0.69
627-1,224$0.56
1,225+$0.49
4.5mm X 22mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X022

4.5mm X 22mm (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...
3,301
$0.73

Add:
Min Qty:  2
Quantity Discounts
2-59$0.73
60-192$0.59
193+$0.52
4.5mm X 23mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X023

4.5mm X 23mm (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...
508
$0.74

Add:
Min Qty:  2
Quantity Discounts
2-58$0.74
59-192$0.60
193+$0.52
4.5mm X 24mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X024

4.5mm X 24mm (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
$0.78

Add:
Min Qty:  2
Quantity Discounts
2-557$0.78
558-1,090$0.63
1,091+$0.55
4.5mm X 25mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X025

4.5mm X 25mm (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
$0.79

Add:
Min Qty:  2
Quantity Discounts
2-548$0.79
549-1,071$0.64
1,072+$0.56
4.5mm X 26mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X026

4.5mm X 26mm (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...
23
$0.82

Add:
Min Qty:  2
Quantity Discounts
2-531$0.82
532-1,034$0.66
1,035+$0.58
4.5mm X 27mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X027

4.5mm X 27mm (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
$0.84

Add:
Min Qty:  2
Quantity Discounts
2-516$0.84
517-1,016$0.68
1,017+$0.59
4.5mm X 28mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X028

4.5mm X 28mm (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...
18
$0.87

Add:
Min Qty:  2
Quantity Discounts
2-501$0.87
502-983$0.70
984+$0.61
4.5mm X 29.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X029.5

4.5mm X 29.5mm (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...
586
$0.88

Add:
Min Qty:  2
Quantity Discounts
2-49$0.88
50-161$0.71
162+$0.62
4.5mm X 30mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X030

4.5mm X 30mm (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...
136
$0.92

Add:
Min Qty:  2
Quantity Discounts
2-47$0.92
48-153$0.74
154+$0.65