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Type A Imperial Nitrile Outer Diameter 3.1'' to 4''

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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.

3.00 3.8
3.00 3.8
3.22 4
3.22 4
3.30 4.1
3.30 4.1
4.02 5
4.08 5.1
4.08 5.1
3.22 4
3.22 4
3.22 4
3.00 3.8
3.00 3.8
3.00 3.8
3.00 3.8
3.22 4
3.22 4
3.30 4.1
3.30 4.1
4.47 5.6
3.30 4.1
3.30 4.1
3.30 4.1
3.30 4.1
4.08 5.1
4.08 5.1
4.08 5.1
4.47 5.6
4.47 5.6
4.47 5.6
3.22 4
3.22 4
3.22 4
4.02 5
3.22 4
3.22 4
3.22 4
3.30 4.1
3.30 4.1
3.30 4.1
3.30 4.1
4.02 5
4.02 5
4.08 5.1
4.08 5.1
4.08 5.1
4.08 5.1
4.08 5.1
4.47 5.6
4.47 5.6
4.80 6
4.80 6
4.80 6
3.22 4
4.80 6
3.22 4
3.30 4.1
3.30 4.1
4.08 5.1
4.08 5.1
4.08 5.1
4.08 5.1
4.47 5.6
4.47 5.6
4.47 5.6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
3.22 4
4.47 5.6
4.47 5.6
4.80 6
3.30 4.1
3.30 4.1
4.08 5.1
4.47 5.6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.47 5.6
4.47 5.6
4.47 5.6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.47 5.6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
4.80 6
Article No. Inner Diameter
(mm)
Outer Diameter
(mm)
Thickness
(mm)
Lip
Style
Price Qty
1+ 10+
OS1.753.1250.375A23N 1.753.1250.375Double
£3.75
£3.00
OS1.8753.1250.5A23N 1.8753.1250.5Double
£3.75
£3.00
OS2.1253.1250.375A21N 2.1253.1250.375Single
£4.03
£3.22
OS2.1253.1250.375A23N 2.1253.1250.375Double
£4.03
£3.22
OS2.253.1250.375A21N 2.253.1250.375Single
£4.13
£3.30
OS2.253.1250.375A23N 2.253.1250.375Double
£4.13
£3.30
OS2.3123.1250.375A21N 2.3123.1250.375Single
£5.02
£4.02
OS2.3753.1250.375A21N 2.3753.1250.375Single
£5.10
£4.08
OS2.3753.1250.375A23N 2.3753.1250.375Double
£5.10
£4.08
OS23.1250.375A21N 23.1250.375Single
£4.03
£3.22
OS23.1250.375A23N 23.1250.375Double
£4.03
£3.22
OS2.0983.160.375A21N 2.0983.160.375Single
£4.03
£3.22
OS1.753.1870.5A21N 1.753.1870.5Single
£3.75
£3.00
OS1.753.1870.5A23N 1.753.1870.5Double
£3.75
£3.00
OS1.8753.1870.5A21N 1.8753.1870.5Single
£3.75
£3.00
OS1.8753.1870.5A23N 1.8753.1870.5Double
£3.75
£3.00
OS2.0623.1870.375A21N 2.0623.1870.375Single
£4.03
£3.22
OS2.0623.1870.45A21N 2.0623.1870.45Single
£4.03
£3.22
OS2.1873.1870.5A23N 2.1873.1870.5Double
£4.13
£3.30
OS2.253.1870.5A21N 2.253.1870.5Single
£4.13
£3.30
OS2.53.1870.375A23N 2.53.1870.375Double
£5.59
£4.47
OS2.1873.250.375A23N 2.1873.250.375Double
£4.13
£3.30
OS2.253.250.375A23N 2.253.250.375Double
£4.13
£3.30
OS2.253.250.5A21N 2.253.250.5Single
£4.13
£3.30
OS2.253.250.5A23N 2.253.250.5Double
£4.13
£3.30
OS2.3753.250.375A23N 2.3753.250.375Double
£5.10
£4.08
OS2.3753.250.5A21N 2.3753.250.5Single
£5.10
£4.08
OS2.4373.250.375A23N 2.4373.250.375Double
£5.10
£4.08
OS2.53.250.375A23N 2.53.250.375Double
£5.59
£4.47
OS2.53.250.413A23N 2.53.250.413Double
£5.59
£4.47
OS2.53.250.5A21N 2.53.250.5Single
£5.59
£4.47
OS23.250.375A21N 23.250.375Single
£4.03
£3.22
OS23.250.375A23N 23.250.375Double
£4.03
£3.22
OS23.250.5A23N 23.250.5Double
£4.03
£3.22
OS2.3123.3590.312A21N 2.3123.3590.312Single
£5.02
£4.02
OS2.1253.3720.437A23N 2.1253.3720.437Double
£4.03
£3.22
OS2.1253.3750.5A21N 2.1253.3750.5Single
£4.03
£3.22
OS2.1253.3750.5A23N 2.1253.3750.5Double
£4.03
£3.22
OS2.253.3750.375A21N 2.253.3750.375Single
£4.13
£3.30
OS2.253.3750.375A23N 2.253.3750.375Double
£4.13
£3.30
OS2.253.3750.5A21N 2.253.3750.5Single
£4.13
£3.30
OS2.253.3750.5A23N 2.253.3750.5Double
£4.13
£3.30
OS2.3123.3750.375A21N 2.3123.3750.375Single
£5.02
£4.02
OS2.3123.3750.375A23N 2.3123.3750.375Double
£5.02
£4.02
OS2.3753.3750.375A23N 2.3753.3750.375Double
£5.10
£4.08
OS2.3753.3750.5A21N 2.3753.3750.5Single
£5.10
£4.08
OS2.3753.3750.5A23N 2.3753.3750.5Double
£5.10
£4.08
OS2.4373.3750.5A21N 2.4373.3750.5Single
£5.10
£4.08
OS2.4373.3750.5A23N 2.4373.3750.5Double
£5.10
£4.08
OS2.53.3750.5A21N 2.53.3750.5Single
£5.59
£4.47
OS2.53.3750.5A23N 2.53.3750.5Double
£5.59
£4.47
OS2.5623.3750.375A21N 2.5623.3750.375Single
£6.00
£4.80
OS2.6253.3750.375A21N 2.6253.3750.375Single
£6.00
£4.80
OS2.6253.3750.375A23N 2.6253.3750.375Double
£6.00
£4.80
OS23.3750.375A23N 23.3750.375Double
£4.03
£3.22
OS2.753.3890.312A21N 2.753.3890.312Single
£6.00
£4.80
OS2.1253.50.5A21N 2.1253.50.5Single
£4.03
£3.22
OS2.253.50.5A21N 2.253.50.5Single
£4.13
£3.30
OS2.253.50.5A23N 2.253.50.5Double
£4.13
£3.30
OS2.3753.50.375A21N 2.3753.50.375Single
£5.10
£4.08
OS2.3753.50.437A21N 2.3753.50.437Single
£5.10
£4.08
OS2.3753.50.5A21N 2.3753.50.5Single
£5.10
£4.08
OS2.3753.50.5A23N 2.3753.50.5Double
£5.10
£4.08
OS2.53.50.25A23N 2.53.50.25Double
£5.59
£4.47
OS2.53.50.375A21N 2.53.50.375Single
£5.59
£4.47
OS2.53.50.5A21N 2.53.50.5Single
£5.59
£4.47
OS2.5623.50.5A23N 2.5623.50.5Double
£6.00
£4.80
OS2.6253.50.375A23N 2.6253.50.375Double
£6.00
£4.80
OS2.6253.50.5A21N 2.6253.50.5Single
£6.00
£4.80
OS2.6253.50.5A23N 2.6253.50.5Double
£6.00
£4.80
OS2.753.50.25A21N 2.753.50.25Single
£6.00
£4.80
OS2.753.50.375A21N 2.753.50.375Single
£6.00
£4.80
OS2.753.50.375A23N 2.753.50.375Double
£6.00
£4.80
OS2.753.50.5A21N 2.753.50.5Single
£6.00
£4.80
OS2.753.50.5A23N 2.753.50.5Double
£6.00
£4.80
OS23.50.5A23N 23.50.5Double
£4.03
£3.22
OS2.53.5470.437A23N 2.53.5470.437Double
£5.59
£4.47
OS2.53.5470.5A23N 2.53.5470.5Double
£5.59
£4.47
OS2.6223.620.512A21N 2.6223.620.512Single
£6.00
£4.80
OS2.253.6250.5A21N 2.253.6250.5Single
£4.13
£3.30
OS2.253.6250.5A23N 2.253.6250.5Double
£4.13
£3.30
OS2.3753.6250.5A21N 2.3753.6250.5Single
£5.10
£4.08
OS2.53.6250.5A21N 2.53.6250.5Single
£5.59
£4.47
OS2.6253.6250.375A23N 2.6253.6250.375Double
£6.00
£4.80
OS2.6253.6250.5A21N 2.6253.6250.5Single
£6.00
£4.80
OS2.6253.6250.5A23N 2.6253.6250.5Double
£6.00
£4.80
OS2.753.6250.5A21N 2.753.6250.5Single
£6.00
£4.80
OS2.8123.6250.375A21N 2.8123.6250.375Single
£6.00
£4.80
OS2.8753.6250.375A21N 2.8753.6250.375Single
£6.00
£4.80
OS2.8753.6250.375A23N 2.8753.6250.375Double
£6.00
£4.80
OS2.53.750.375A23N 2.53.750.375Double
£5.59
£4.47
OS2.53.750.5A21N 2.53.750.5Single
£5.59
£4.47
OS2.53.750.5A23N 2.53.750.5Double
£5.59
£4.47
OS2.6253.750.5A21N 2.6253.750.5Single
£6.00
£4.80
OS2.6253.750.5A23N 2.6253.750.5Double
£6.00
£4.80
OS2.6873.750.5A21N 2.6873.750.5Single
£6.00
£4.80
OS2.753.750.375A23N 2.753.750.375Double
£6.00
£4.80
OS2.753.750.5A23N 2.753.750.5Double
£6.00
£4.80
OS2.8753.750.375A23N 2.8753.750.375Double
£6.00
£4.80
OS2.8753.750.5A21N 2.8753.750.5Single
£6.00
£4.80
OS2.8753.750.5A23N 2.8753.750.5Double
£6.00
£4.80
OS2.9373.750.375A21N 2.9373.750.375Single
£6.00
£4.80
OS2.9373.750.375A23N 2.9373.750.375Double
£6.00
£4.80
OS33.750.312A21N 33.750.312Single
£6.00
£4.80
OS33.750.375A21N 33.750.375Single
£6.00
£4.80
OS33.750.375A23N 33.750.375Double
£6.00
£4.80
OS2.53.8750.5A21N 2.53.8750.5Single
£5.59
£4.47
OS2.753.8750.5A21N 2.753.8750.5Single
£6.00
£4.80
OS2.753.8750.5A23N 2.753.8750.5Double
£6.00
£4.80
OS2.8753.8750.5A21N 2.8753.8750.5Single
£6.00
£4.80
OS2.8753.8750.5A23N 2.8753.8750.5Double
£6.00
£4.80
OS3.1253.8750.5A23N 3.1253.8750.5Double
£6.00
£4.80
OS33.8750.375A21N 33.8750.375Single
£6.00
£4.80
OS33.8750.375A23N 33.8750.375Double
£6.00
£4.80

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) 90.00
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)