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Type A Imperial Nitrile Outer Diameter 5.1'' to 23.5''

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Quick Overview

This oil seal is fully enclosed in a rubber material and is the most widely used type of oil seal. Depending on the rubber used this offers better resistant to thermal cycling, temperatures and different chemical resistance.

5.44 6.8
5.44 6.8
5.70 7.1
5.70 7.1
5.44 6.8
5.44 6.8
5.44 6.8
6.65 8.3
6.65 8.3
5.44 6.8
5.44 6.8
5.44 6.8
4.96 6.2
5.44 6.8
6.65 8.3
6.65 8.3
6.65 8.3
5.44 6.8
5.44 6.8
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
5.44 6.8
5.44 6.8
5.44 6.8
6.65 8.3
6.65 8.3
5.70 7.1
5.44 6.8
5.44 6.8
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
5.44 6.8
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
6.65 8.3
7.87 9.8
6.65 8.3
7.87 9.8
7.87 9.8
7.87 9.8
7.87 9.8
7.87 9.8
8.70 10.9
7.87 9.8
8.70 10.9
8.70 10.9
8.70 10.9
8.70 10.9
8.70 10.9
8.70 10.9
8.70 10.9
7.87 9.8
8.70 10.9
8.70 10.9
7.63 9.5
7.63 9.5
7.87 9.8
7.63 9.5
7.63 9.5
7.63 9.5
7.63 9.5
7.63 9.5
7.87 9.8
8.16 10.2
8.16 10.2
8.16 10.2
8.16 10.2
8.16 10.2
10.20 12.8
10.20 12.8
10.20 12.8
10.20 12.8
10.20 12.8
10.20 12.8
12.45 15.6
103.31 129.1
207.66 259.6
Article No. Inner Diameter
(mm)
Outer Diameter
(mm)
Thickness
(mm)
Lip
Style
Price Qty
1+ 10+
OS4.1255.1250.5A21N 4.1255.1250.5Single
£6.80
£5.44
OS45.1250.5A23N 45.1250.5Double
£6.80
£5.44
OS3.755.250.5A21N 3.755.250.5Single
£7.13
£5.70
OS3.8755.250.5A21N 3.8755.250.5Single
£7.13
£5.70
OS4.1875.250.5A21N 4.1875.250.5Single
£6.80
£5.44
OS4.255.250.5A21N 4.255.250.5Single
£6.80
£5.44
OS4.255.250.5A23N 4.255.250.5Double
£6.80
£5.44
OS4.55.250.437A21N 4.55.250.437Single
£8.32
£6.65
OS4.55.250.5A23N 4.55.250.5Double
£8.32
£6.65
OS45.250.5A21N 45.250.5Single
£6.80
£5.44
OS45.250.5A23N 45.250.5Double
£6.80
£5.44
OS45.250.625A21N 45.250.625Single
£6.80
£5.44
OS3.55.3750.5A23N 3.55.3750.5Double
£6.20
£4.96
OS4.255.3750.5A21N 4.255.3750.5Single
£6.80
£5.44
OS4.3755.3750.5A21N 4.3755.3750.5Single
£8.32
£6.65
OS4.55.3750.437A21N 4.55.3750.437Single
£8.32
£6.65
OS4.55.3750.437A23N 4.55.3750.437Double
£8.32
£6.65
OS4.255.50.5A21N 4.255.50.5Single
£6.80
£5.44
OS4.255.50.5A23N 4.255.50.5Double
£6.80
£5.44
OS4.55.50.375A21N 4.55.50.375Single
£8.32
£6.65
OS4.55.50.5A21N 4.55.50.5Single
£8.32
£6.65
OS4.55.50.5A23N 4.55.50.5Double
£8.32
£6.65
OS4.755.50.375A21N 4.755.50.375Single
£8.32
£6.65
OS45.50.5A21N 45.50.5Single
£6.80
£5.44
OS45.50.5A23N 45.50.5Double
£6.80
£5.44
OS4.255.6250.5A21N 4.255.6250.5Single
£6.80
£5.44
OS4.55.6250.5A21N 4.55.6250.5Single
£8.32
£6.65
OS4.6255.6250.5A21N 4.6255.6250.5Single
£8.32
£6.65
OS3.8755.690.5A23N 3.8755.690.5Double
£7.13
£5.70
OS4.255.750.437A21N 4.255.750.437Single
£6.80
£5.44
OS4.255.750.5A23N 4.255.750.5Double
£6.80
£5.44
OS4.55.750.5A21N 4.55.750.5Single
£8.32
£6.65
OS4.55.750.5A23N 4.55.750.5Double
£8.32
£6.65
OS4.6255.750.562A21N 4.6255.750.562Single
£8.32
£6.65
OS4.755.750.5A23N 4.755.750.5Double
£8.32
£6.65
OS55.750.437A21N 55.750.437Single
£8.32
£6.65
OS55.750.5A21N 55.750.5Single
£8.32
£6.65
OS55.750.5A23N 55.750.5Double
£8.32
£6.65
OS4.9155.7560.431A21N 4.9155.7560.431Single
£8.32
£6.65
OS4.2560.562A21N 4.2560.562Single
£6.80
£5.44
OS4.37560.5A23N 4.37560.5Double
£8.32
£6.65
OS4.560.5A23N 4.560.5Double
£8.32
£6.65
OS4.7560.562A21N 4.7560.562Single
£8.32
£6.65
OS4.7560.562A23N 4.7560.562Double
£8.32
£6.65
OS4.7560.5A23N 4.7560.5Double
£8.32
£6.65
OS4.93760.5A21N 4.93760.5Single
£8.32
£6.65
OS560.562A21N 560.562Single
£8.32
£6.65
OS560.5A21N 560.5Single
£8.32
£6.65
OS560.5A23N 560.5Double
£8.32
£6.65
OS4.56.1250.562A23N 4.56.1250.562Double
£8.32
£6.65
OS5.1256.1250.5A21N 5.1256.1250.5Single
£8.32
£6.65
OS5.1256.1250.5A23N 5.1256.1250.5Double
£8.32
£6.65
OS5.256.1250.562A23N 5.256.1250.562Double
£8.32
£6.65
OS5.256.250.562A21N 5.256.250.562Single
£8.32
£6.65
OS5.256.250.5A21N 5.256.250.5Single
£8.32
£6.65
OS5.256.250.5A23N 5.256.250.5Double
£8.32
£6.65
OS56.250.562A23N 56.250.562Double
£8.32
£6.65
OS5.3756.3750.5A21N 5.3756.3750.5Single
£8.32
£6.65
OS5.256.50.562A21N 5.256.50.562Single
£8.32
£6.65
OS5.3756.50.5A21N 5.3756.50.5Single
£8.32
£6.65
OS5.4386.50.5A21N 5.4386.50.5Single
£8.32
£6.65
OS5.56.50.5A21N 5.56.50.5Single
£8.32
£6.65
OS5.56.50.5A23N 5.56.50.5Double
£8.32
£6.65
OS56.50.5A21N 56.50.5Single
£8.32
£6.65
OS56.50.5A23N 56.50.5Double
£8.32
£6.65
OS5.6256.6250.5A21N 5.6256.6250.5Single
£9.83
£7.87
OS5.56.750.5A21N 5.56.750.5Single
£8.32
£6.65
OS5.6256.750.562A21N 5.6256.750.562Single
£9.83
£7.87
OS5.756.750.5A21N 5.756.750.5Single
£9.83
£7.87
OS5.8756.8750.5A23N 5.8756.8750.5Double
£9.83
£7.87
OS5.7570.5A23N 5.7570.5Double
£9.83
£7.87
OS5.93770.5A23N 5.93770.5Double
£9.83
£7.87
OS6.2570.375A23N 6.2570.375Double
£10.88
£8.70
OS670.5A23N 670.5Double
£9.83
£7.87
OS6.1257.1250.5A21N 6.1257.1250.5Single
£10.88
£8.70
OS6.1257.1250.5A23N 6.1257.1250.5Double
£10.88
£8.70
OS6.257.1870.625A21N 6.257.1870.625Single
£10.88
£8.70
OS6.1877.250.5A21N 6.1877.250.5Single
£10.88
£8.70
OS6.257.250.5A21N 6.257.250.5Single
£10.88
£8.70
OS6.257.250.5A23N 6.257.250.5Double
£10.88
£8.70
OS6.3757.3750.5A21N 6.3757.3750.5Single
£10.88
£8.70
OS67.3750.75A23N 67.3750.75Double
£9.83
£7.87
OS6.3757.50.5A21N 6.3757.50.5Single
£10.88
£8.70
OS6.3757.50.5A23N 6.3757.50.5Double
£10.88
£8.70
OS6.57.50.5A21N 6.57.50.5Single
£9.54
£7.63
OS6.57.50.5A23N 6.57.50.5Double
£9.54
£7.63
OS67.50.5A23N 67.50.5Double
£9.83
£7.87
OS6.6257.6250.5A23N 6.6257.6250.5Double
£9.54
£7.63
OS6.57.750.5A21N 6.57.750.5Single
£9.54
£7.63
OS6.57.750.5A23N 6.57.750.5Double
£9.54
£7.63
OS6.757.750.5A21N 6.757.750.5Single
£9.54
£7.63
OS6.757.750.5A23N 6.757.750.5Double
£9.54
£7.63
OS5.9067.8740.591A21N 5.9067.8740.591Single
£9.83
£7.87
OS780.5A21N 780.5Single
£10.20
£8.16
OS780.5A23N 780.5Double
£10.20
£8.16
OS780.625A23N 780.625Double
£10.20
£8.16
OS78.50.5A21N 78.50.5Single
£10.20
£8.16
OS78.50.75A23N 78.50.75Double
£10.20
£8.16
OS7.1258.6250.562A23N 7.1258.6250.562Double
£12.75
£10.20
OS7.258.750.562A21N 7.258.750.562Single
£12.75
£10.20
OS7.258.750.562A23N 7.258.750.562Double
£12.75
£10.20
OS7.590.562A21N 7.590.562Single
£12.75
£10.20
OS7.590.562A23N 7.590.562Double
£12.75
£10.20
OS7.6259.1250.562A21N 7.6259.1250.562Single
£12.75
£10.20
OS910.50.562A21N 910.50.562Single
£15.56
£12.45
OS19.68521.6540.866A21N 19.68521.6540.866Single
£129.14
£103.31
OS21.49623.50.75A21N 21.49623.50.75Single
£259.58
£207.66

Details

Nitrile is a great all-purpose elastomer for use in temperatures ranging from -20°C to +90°C. Excellent resistance to most lubrication oils, hydraulic fluids and grease. Not suitable for use with brake oil, phosphoric ester and ester base.

Additional Information

Hardness (Shore A) 70
Maximum Temperature (°C) 90.00
Minimum Temperature (°C) -20.00
Tensile Strength (MPa) 18.90
Elongation at break (%) 438.00
Density (g/cm³) 1.25
Compression Set (%) 10.00
Compression Set Testing Parameters 22h / 100°C

Further Information (File Downloads)