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Type B Imperial Nitrile 0.87'' to 12.7''

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Quick Overview

This is an economical oil seal where the metal is exposed on one side and offers a closer fitting between the oil seal and housing or bore. Due to this, it has limited use with sealing thin liquids or gases.

1.87 2.3
1.87 2.3
2.21 2.8
2.21 2.8
2.45 3.1
2.69 3.4
2.69 3.4
2.69 3.4
2.69 3.4
3.12 3.9
2.69 3.4
2.69 3.4
2.69 3.4
3.12 3.9
2.69 3.4
3.12 3.9
3.12 3.9
3.12 3.9
3.12 3.9
3.12 3.9
3.12 3.9
3.12 3.9
3.12 3.9
3.89 4.9
3.12 3.9
3.12 3.9
3.89 4.9
3.89 4.9
3.12 3.9
4.03 5
3.89 4.9
3.89 4.9
3.89 4.9
5.04 6.3
5.04 6.3
5.04 6.3
5.28 6.6
Article No. Inner Diameter
(mm)
Outer Diameter
(mm)
Thickness
(mm)
Lip
Style
Price Qty
1+ 10+
OS0.3750.8750.25B21N 0.3750.8750.25Single
£2.34
£1.87
OS0.50.8750.25B21N 0.50.8750.25Single
£2.34
£1.87
OS0.62510.187B21N 0.62510.187Single
£2.76
£2.21
OS0.62510.25B21N 0.62510.25Single
£2.76
£2.21
OS0.9371.6250.25B21N 0.9371.6250.25Single
£3.06
£2.45
OS1.1251.6250.25B21N 1.1251.6250.25Single
£3.36
£2.69
OS11.6250.375B21N 11.6250.375Single
£3.36
£2.69
OS1.0621.6870.312B23N 1.0621.6870.312Double
£3.36
£2.69
OS1.251.750.25B23N 1.251.750.25Double
£3.36
£2.69
OS1.3751.9370.25B23N 1.3751.9370.25Double
£3.90
£3.12
OS1.251.9790.25B23N 1.251.9790.25Double
£3.36
£2.69
OS1.2520.375B21N 1.2520.375Single
£3.36
£2.69
OS1.31220.312B23N 1.31220.312Double
£3.36
£2.69
OS1.31220.375B21N 1.31220.375Single
£3.90
£3.12
OS120.375B21N 120.375Single
£3.36
£2.69
OS1.52.0620.25B21N 1.52.0620.25Single
£3.90
£3.12
OS1.3752.250.312B21N 1.3752.250.312Single
£3.90
£3.12
OS1.3752.250.312B23N 1.3752.250.312Double
£3.90
£3.12
OS1.52.250.312B23N 1.52.250.312Double
£3.90
£3.12
OS1.5622.250.312B21N 1.5622.250.312Single
£3.90
£3.12
OS1.752.3120.25B21N 1.752.3120.25Single
£3.90
£3.12
OS1.3752.4370.25B21N 1.3752.4370.25Single
£3.90
£3.12
OS1.6252.50.5B21N 1.6252.50.5Single
£3.90
£3.12
OS22.6870.5B21N 22.6870.5Single
£4.86
£3.89
OS1.8752.750.375B21N 1.8752.750.375Single
£3.90
£3.12
OS1.8752.750.469B21N 1.8752.750.469Single
£3.90
£3.12
OS22.750.312B21N 22.750.312Single
£4.86
£3.89
OS1.9062.7520.375B23N 1.9062.7520.375Double
£4.86
£3.89
OS1.752.8750.5B21N 1.752.8750.5Single
£3.90
£3.12
OS2.12530.375B21N 2.12530.375Single
£5.04
£4.03
OS230.5B21N 230.5Single
£4.86
£3.89
OS2.1253.0620.5B21N 2.1253.0620.5Single
£4.86
£3.89
OS1.9373.1250.5B21N 1.9373.1250.5Single
£4.86
£3.89
OS2.3753.50.5B21N 2.3753.50.5Single
£6.30
£5.04
OS2.6253.750.375B21N 2.6253.750.375Single
£6.30
£5.04
OS2.753.8750.469B21N 2.753.8750.469Single
£6.30
£5.04
OS3.54.50.5B21N 3.54.50.5Single
£6.60
£5.28

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

Material Nitrile (NBR)
Hardness (Shore A) 70
Maximum Temperature (°C) 90
Minimum Temperature (°C) -20
Tensile Strength (MPa) 18.9
Elongation at break (%) 438
Density (g/cm³) 1.25
Compression Set (%) 10
Compression Set Testing Parameters 22h / 100°C

Further Information (File Downloads)