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.

Displaying 1 to 25 (of 104 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 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...
In Stock: 567
$0.100
Add:
Min Qty:  40
Quantity Discounts
40-7,199$0.100
7,200$0.069
21,000+$0.048
(image for) 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...
In Stock: 1156
$0.100
Add:
Min Qty:  40
Quantity Discounts
40-7,199$0.100
7,200$0.069
21,000+$0.048
(image for) 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...
In Stock: 723
$0.110
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Min Qty:  40
Quantity Discounts
40-6,799$0.110
6,800$0.073
20,000+$0.051
(image for) 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...
In Stock: 448
$0.110
Add:
Min Qty:  40
Quantity Discounts
40-6,599$0.110
6,600$0.076
19,000+$0.053
(image for) 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...
In Stock: 462
$0.120
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Min Qty:  30
Quantity Discounts
30-5,999$0.120
6,000$0.083
17,000+$0.058
(image for) 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...
In Stock: 320
$0.120
Add:
Min Qty:  30
Quantity Discounts
30-5,899$0.120
5,900$0.085
17,000+$0.059
(image for) 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...
In Stock: 484
$0.130
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Min Qty:  30
Quantity Discounts
30-5,399$0.130
5,400$0.093
15,000+$0.065
(image for) 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...
In Stock: 114
$0.140
Add:
Min Qty:  30
Quantity Discounts
30-4,999$0.140
5,000$0.100
14,000+$0.070
(image for) 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...
In Stock: 34
$0.150
Add:
Min Qty:  30
Quantity Discounts
30-4,899$0.150
4,900$0.103
14,000+$0.072
(image for) 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...
In Stock: 143
$0.150
Add:
Min Qty:  30
Quantity Discounts
30-4,699$0.150
4,700$0.106
14,000+$0.074
(image for) 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...
In Stock: 874
$0.160
Add:
Min Qty:  30
Quantity Discounts
30-4,499$0.160
4,500$0.110
13,000+$0.077
(image for) 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...
In Stock: 1027
$0.170
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Min Qty:  20
Quantity Discounts
20-4,099$0.170
4,100$0.122
12,000+$0.085
(image for) 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...
In Stock: 578
$0.180
Add:
Min Qty:  20
Quantity Discounts
20-3,899$0.180
3,900$0.129
11,000+$0.090
(image for) 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...
In Stock: 72
$0.190
Add:
Min Qty:  20
Quantity Discounts
20-3,799$0.190
3,800$0.130
11,000+$0.091
(image for) 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...
In Stock: 0
$0.190
Add:
Min Qty:  20
Quantity Discounts
20-3,699$0.190
3,700$0.135
11,000+$0.094
(image for) 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...
In Stock: 23
$0.200
Add:
Min Qty:  20
Quantity Discounts
20-3,599$0.200
3,600-9,999$0.138
10,000+$0.096
(image for) 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...
In Stock: 3239
$0.200
Add:
Min Qty:  20
Quantity Discounts
20-3,599$0.200
3,600-9,999$0.139
10,000+$0.097
(image for) 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...
In Stock: 394
$0.200
Add:
Min Qty:  20
Quantity Discounts
20-3,599$0.200
3,600-9,999$0.140
10,000+$0.098
(image for) 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...
In Stock: 0
$0.200
Add:
Min Qty:  20
Quantity Discounts
20-3,599$0.200
3,600-9,999$0.140
10,000+$0.098
(image for) 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...
In Stock: 0
$0.200
Add:
Min Qty:  20
Quantity Discounts
20-3,499$0.200
3,500-9,999$0.142
10,000+$0.099
(image for) 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...
In Stock: 0
$0.210
Add:
Min Qty:  20
Quantity Discounts
20-3,399$0.210
3,400-9,999$0.146
10,000+$0.102
(image for) 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...
In Stock: 74
$0.210
Add:
Min Qty:  20
Quantity Discounts
20-3,399$0.210
3,400-9,999$0.148
10,000+$0.103
(image for) 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...
In Stock: 351
$0.210
Add:
Min Qty:  20
Quantity Discounts
20-3,399$0.210
3,400-9,999$0.149
10,000+$0.104
(image for) 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...
In Stock: 167
$0.210
Add:
Min Qty:  20
Quantity Discounts
20-3,399$0.210
3,400-9,999$0.146
10,000+$0.102
(image for) 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...
In Stock: 64
$0.230
Add:
Min Qty:  20
Quantity Discounts
20-3,099$0.230
3,100-8,999$0.160
9,000+$0.112
Displaying 1 to 25 (of 104 Products)
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