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.

Displaying 1 to 25 (of 85 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) 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...
 In Stock: 11312
$0.190
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Min Qty:  10
Quantity Discounts
10-199$0.190
200-1,999$0.152
2,000+$0.143
(image for) 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...
 In Stock: 1530
$0.190
Add:
Min Qty:  10
Quantity Discounts
10-199$0.190
200-1,999$0.152
2,000+$0.143
(image for) 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...
 In Stock: 209
$0.290
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Min Qty:  10
Quantity Discounts
10-199$0.290
200-999$0.232
1,000+$0.218
(image for) 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...
 In Stock: 13445
$0.290
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Min Qty:  10
Quantity Discounts
10-199$0.290
200-999$0.232
1,000+$0.218
(image for) 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...
 In Stock: 713
$0.400
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Min Qty:  10
Quantity Discounts
10-99$0.400
100-999$0.320
1,000+$0.300
(image for) 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...
 In Stock: 23273
$0.320
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Min Qty:  10
Quantity Discounts
10-99$0.320
100-999$0.256
1,000+$0.240
(image for) 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...
 In Stock: 3978
$0.350
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Min Qty:  10
Quantity Discounts
10-99$0.350
100-999$0.280
1,000+$0.263
(image for) 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...
 In Stock: 3099
$0.370
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Min Qty:  10
Quantity Discounts
10-99$0.370
100-999$0.296
1,000+$0.278
(image for) 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...
 In Stock: 696
$0.780
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Min Qty:  3
Quantity Discounts
3-99$0.780
100-999$0.624
1,000+$0.585
(image for) 1.78mm X 19.15mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X019.15
1.78mm X 19.15mm (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: 601
$0.980
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Min Qty:  3
Quantity Discounts
3-39$0.980
40-999$0.784
1,000+$0.735
(image for) 1.78mm X 36mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X036
1.78mm 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: 50
$1.130
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Min Qty:  2
Quantity Discounts
2-39$1.130
40-399$0.904
400+$0.848
(image for) 1.78mm X 36.27mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X036.27
1.78mm X 36.27mm (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: 0
$0.750
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Min Qty:  584
Quantity Discounts
584-599$0.750
600-4,999$0.600
5,000+$0.563
(image for) 1.78mm X 39.45mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X039.45
1.78mm X 39.45mm (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: 692
$1.170
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Min Qty:  2
Quantity Discounts
2-99$1.170
100-999$0.936
1,000+$0.878
(image for) 1.78mm CS X 79mm ID (NBR) Buna-N 70 Duro Metric O-Ring N1.78X079
1.78mm CS X 79mm ID (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: 7
$1.350
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Min Qty:  2
Quantity Discounts
2-29$1.350
30-299$1.080
300+$1.013
(image for) 1.78mm X 85.34mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X085.34
1.78mm X 85.34mm (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: 410
$1.380
Add:
Quantity Discounts
1-29$1.380
30-299$1.104
300+$1.035
(image for) 1.78mm X 91.7mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X091.7
1.78mm X 91.7mm (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: 834
$3.400
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Quantity Discounts
1-9$3.400
10-99$2.720
100+$2.550
(image for) 1.78mm X 98.05mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X098.05
1.78mm X 98.05mm (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: 5296
$3.800
Add:
Quantity Discounts
1-9$3.800
10-99$3.040
100+$2.850
(image for) 1.78mm X 104.4mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X104.4
1.78mm X 104.4mm (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
$4.130
Add:
Min Qty:  100
Quantity Discounts
100-249$4.130
250-2,499$3.304
2,500+$3.098
(image for) 1.78mm X 110.74mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X110.74
1.78mm X 110.74mm (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: 45
$4.130
Add:
Quantity Discounts
1-9$4.130
10-99$3.304
100+$3.098
(image for) 1.78mm X 117.1mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X117.1
1.78mm X 117.1mm (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
$4.620
Add:
Quantity Discounts
1-9$4.620
10-99$3.696
100+$3.465
(image for) 1.78mm X 123.44mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X123.44
1.78mm X 123.44mm (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: 100
$5.120
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Quantity Discounts
1-249$5.120
250-999$4.096
1,000+$3.840
(image for) 1.78mm X129.4mm (NBR) Buna-N 70 Duro Metric O-Ring N1.78X129.4
1.78mm X129.4mm (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: 2700
$5.600
Add:
Quantity Discounts
1-9$5.600
10-99$4.480
100+$4.200
(image for) 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...
 In Stock: 0
$6.090
Add:
Min Qty:  50
Quantity Discounts
50-99$6.090
100-999$4.872
1,000+$4.568
(image for) 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...
 In Stock: 0
$9.590
Add:
Min Qty:  30
Quantity Discounts
30-99$9.590
100-999$7.672
1,000+$7.193
(image for) N1.78X145.29 (NBR) Buna-N 70 Duro Metric O-Ring N1.78X145.29
N1.78X145.29 (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: 129
$7.070
Add:
Quantity Discounts
1-9$7.070
10-99$5.656
100+$5.303
Displaying 1 to 25 (of 85 Products)
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