4.50mm CS Metric Buna-N O-Rings – Nitrile 70 Duro

Engineered for reliable sealing performance, these Metric Buna-N (Nitrile) O-Rings feature a 4.5mm cross section and 70 durometer hardness. Ideal for general-purpose sealing, NBR offers excellent resistance to petroleum-based oils, fuels, water, and hydraulic fluids. Commonly used in automotive, hydraulic, and industrial applications, these O-Rings deliver dependable performance in temperatures ranging from -40°C to +100°C. Precision-molded to metric standards for a secure fit.

Displaying 26 to 50 (of 106 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 167
$0.430
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Min Qty:  7
Quantity Discounts
7-108$0.430
109-4,399$0.323
4,400$0.227
13,700+$0.182
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 44
$0.470
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Min Qty:  7
Quantity Discounts
7-99$0.470
100-3,999$0.353
4,000$0.248
12,600+$0.199
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 144
$0.480
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Min Qty:  7
Quantity Discounts
7-97$0.480
98-3,999$0.360
4,000$0.252
12,400+$0.202
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.480
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Min Qty:  417
Quantity Discounts
417-972$0.480
973-3,999$0.360
4,000$0.252
12,400+$0.202
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 9
$0.490
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Min Qty:  7
Quantity Discounts
7-95$0.490
96-3,899$0.368
3,900$0.258
12,100+$0.207
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 225
$0.530
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Min Qty:  6
Quantity Discounts
6-87$0.530
88-3,599$0.398
3,600$0.279
11,200+$0.224
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 67
$0.550
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Min Qty:  6
Quantity Discounts
6-84$0.550
85-3,399$0.413
3,400$0.290
10,800+$0.232
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 73
$0.580
Add:
Min Qty:  6
Quantity Discounts
6-80$0.580
81-3,299$0.435
3,300$0.305
10,200+$0.244
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.590
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Min Qty:  339
Quantity Discounts
339-790$0.590
791-3,199$0.443
3,200-9,999$0.311
10,000+$0.249
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 200
$0.600
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Min Qty:  5
Quantity Discounts
5-77$0.600
78-3,199$0.450
3,200-9,899$0.315
9,900+$0.252
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 41
$0.640
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Min Qty:  5
Quantity Discounts
5-72$0.640
73-2,999$0.480
3,000-9,299$0.336
9,300+$0.269
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 1080
$0.640
Add:
Min Qty:  5
Quantity Discounts
5-72$0.640
73-2,999$0.480
3,000-9,299$0.336
9,300+$0.269
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.650
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Min Qty:  308
Quantity Discounts
308-717$0.650
718-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 158
$0.650
Add:
Min Qty:  5
Quantity Discounts
5-71$0.650
72-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 60
$0.650
Add:
Min Qty:  5
Quantity Discounts
5-71$0.650
72-2,899$0.488
2,900-9,099$0.342
9,100+$0.274
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 308
$0.670
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Min Qty:  5
Quantity Discounts
5-69$0.670
70-2,799$0.503
2,800-8,799$0.353
8,800+$0.283
(image for) 4.5mm X 44mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X044
4.5mm X 44mm (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.690
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Min Qty:  290
Quantity Discounts
290-675$0.690
676-2,799$0.518
2,800-8,599$0.363
8,600+$0.291
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.700
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Min Qty:  286
Quantity Discounts
286-666$0.700
667-2,699$0.525
2,700-8,499$0.368
8,500+$0.295
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 1
$0.720
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Min Qty:  278
Quantity Discounts
278-648$0.720
649-2,599$0.540
2,600-8,299$0.378
8,300+$0.303
(image for) 4.5mm X 47mm (NBR) Buna-N 70 Duro Metric O-Ring N4.50X047
4.5mm X 47mm (NBR) Buna-N 70 Duro Metric O-Ring
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 0
$0.730
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Min Qty:  274
Quantity Discounts
274-638$0.730
639-2,599$0.548
2,600-8,099$0.384
8,100+$0.308
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 1
$0.750
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Min Qty:  267
Quantity Discounts
267-621$0.750
622-2,499$0.563
2,500-7,899$0.395
7,900+$0.316
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 353
$0.780
Add:
Min Qty:  4
Quantity Discounts
4-59$0.780
60-2,399$0.585
2,400-7,599$0.410
7,600+$0.328
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 6
$0.820
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Min Qty:  4
Quantity Discounts
4-56$0.820
57-2,299$0.615
2,300-7,199$0.431
7,200+$0.345
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 2380
$0.840
Add:
Min Qty:  4
Quantity Discounts
4-55$0.840
56-2,299$0.630
2,300-7,099$0.441
7,100+$0.353
(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
Buna-N Nitrile (NBR) Metric O-Rings – 70 Durometer The O-Ring Store LLC provides high-quality Buna-N Nitrile (NBR) Metric O-Rings , engineered for superior sealing performance across industrial, automotive, and commercial applications. Our 70-durometer Buna-N O-Rings offer excellent resistance to...
 In Stock: 882
$0.870
Add:
Min Qty:  4
Quantity Discounts
4-53$0.870
54-2,199$0.653
2,200-6,799$0.458
6,800+$0.367
Displaying 26 to 50 (of 106 Products)
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Phone 208-413-6377 - Fax 208-413-6719