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 26 to 50 (of 104 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 4.5mm X 31mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X031
4.5mm X 31mm (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: 238
$0.230
Add:
Min Qty:  20
Quantity Discounts
20-3,099$0.230
3,100-8,999$0.162
9,000+$0.113
(image for) 4.5mm X 31.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X031.5
4.5mm X 31.5mm (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: 0
$0.230
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Min Qty:  1740
Quantity Discounts
1740-2,999$0.230
3,000-8,999$0.165
9,000+$0.115
(image for) 4.5mm X 32mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X032
4.5mm X 32mm (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: 9
$0.240
Add:
Min Qty:  20
Quantity Discounts
20-2,999$0.240
3,000-8,999$0.166
9,000+$0.116
(image for) 4.5mm X 34mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X034
4.5mm X 34mm (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: 225
$0.250
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Min Qty:  20
Quantity Discounts
20-2,799$0.250
2,800-7,999$0.178
8,000+$0.124
(image for) 4.5mm X 35mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X035
4.5mm X 35mm (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
$0.260
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Min Qty:  20
Quantity Discounts
20-2,699$0.260
2,700-7,999$0.186
8,000+$0.130
(image for) 4.5mm X 36mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X036
4.5mm X 36mm (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: 79
$0.270
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Min Qty:  10
Quantity Discounts
10-2,599$0.270
2,600-7,999$0.190
8,000+$0.133
(image for) 4.5mm X 37mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50x037
4.5mm X 37mm (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: 73
$0.280
Add:
Min Qty:  10
Quantity Discounts
10-2,599$0.280
2,600-6,999$0.195
7,000+$0.136
(image for) 4.5mm X 37.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X037.5
4.5mm X 37.5mm (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: 0
$0.280
Add:
Min Qty:  1430
Quantity Discounts
1430-2,499$0.280
2,500-6,999$0.200
7,000+$0.140
(image for) 4.5mm X 38mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X038
4.5mm X 38mm (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: 200
$0.290
Add:
Min Qty:  10
Quantity Discounts
10-2,399$0.290
2,400-6,999$0.206
7,000+$0.144
(image for) 4.5mm X 39mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X039
4.5mm X 39mm (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: 13
$0.310
Add:
Min Qty:  10
Quantity Discounts
10-2,299$0.310
2,300-6,999$0.219
7,000+$0.153
(image for) 4.5mm X 40mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X040
4.5mm X 40mm (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: 1110
$0.310
Add:
Min Qty:  10
Quantity Discounts
10-2,299$0.310
2,300-5,999$0.220
6,000+$0.154
(image for) 4.5mm X 40.5mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X040.5
4.5mm X 40.5mm (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: 0
$0.310
Add:
Min Qty:  1290
Quantity Discounts
1290-2,299$0.310
2,300-5,999$0.222
6,000+$0.155
(image for) 4.5mm X 41mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X041
4.5mm X 41mm (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: 158
$0.320
Add:
Min Qty:  10
Quantity Discounts
10-2,199$0.320
2,200-5,999$0.223
6,000+$0.156
(image for) 4.5mm X 42mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X042
4.5mm X 42mm (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: 70
$0.320
Add:
Min Qty:  10
Quantity Discounts
10-2,199$0.320
2,200-5,999$0.225
6,000+$0.157
(image for) 4.5mm X 43mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X043
4.5mm X 43mm (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: 335
$0.320
Add:
Min Qty:  10
Quantity Discounts
10-2,199$0.320
2,200-5,999$0.226
6,000+$0.158
(image for) 4.5mm X 45mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X045
4.5mm X 45mm (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
$0.340
Add:
Min Qty:  10
Quantity Discounts
10-2,099$0.340
2,100-5,999$0.240
6,000+$0.168
(image for) 4.5mm X 46mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X046
4.5mm X 46mm (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: 1
$0.350
Add:
Min Qty:  10
Quantity Discounts
10-1,999$0.350
2,000-5,999$0.245
6,000+$0.171
(image for) 4.5mm X 48mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X048
4.5mm X 48mm (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: 21
$0.360
Add:
Min Qty:  10
Quantity Discounts
10-1,899$0.360
1,900-5,999$0.258
6,000+$0.180
(image for) 4.5mm X 49mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X049
4.5mm X 49mm (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: 655
$0.380
Add:
Min Qty:  10
Quantity Discounts
10-1,899$0.380
1,900-4,999$0.266
5,000+$0.186
(image for) 4.5mm X 50mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X050
4.5mm X 50mm (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: 9
$0.390
Add:
Min Qty:  10
Quantity Discounts
10-1,799$0.390
1,800-4,999$0.279
5,000+$0.195
(image for) 4.5mm X 51mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X051
4.5mm X 51mm (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
$0.410
Add:
Min Qty:  10
Quantity Discounts
10-1,699$0.410
1,700-4,999$0.289
5,000+$0.202
(image for) 4.5mm X 52mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X052
4.5mm X 52mm (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: 892
$0.410
Add:
Min Qty:  10
Quantity Discounts
10-1,699$0.410
1,700-4,999$0.293
5,000+$0.205
(image for) 4.5mm X 53mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X053
4.5mm X 53mm (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: 90
$0.420
Add:
Min Qty:  10
Quantity Discounts
10-1,699$0.420
1,700-4,999$0.298
5,000+$0.208
(image for) 4.5mm X 54mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X054
4.5mm X 54mm (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: 25
$0.420
Add:
Min Qty:  10
Quantity Discounts
10-1,699$0.420
1,700-4,999$0.300
5,000+$0.210
(image for) 4.5mm X 57mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X057
4.5mm X 57mm (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: 11
$0.440
Add:
Min Qty:  10
Quantity Discounts
10-1,599$0.440
1,600-4,999$0.312
5,000+$0.218
Displaying 26 to 50 (of 104 Products)
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