W31225025-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 2.500" x 3.125" x 0.250"

Brand: TTO
Measurement Unit Imperial
Material Nitrile Rubber (NBR)
Inside Diameter 63.50mm
Outside Diameter 79.38mm
Width 6.35mm
Lip Style R21 Single Lip

Availability

Our Price: £5.27(Exc. 20% VAT)(£6.32 Inc. VAT)

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Bulk Discounts:

Quantity	Price
1 to 4	£5.27
5 to 9	£3.43
10+	£2.64

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W31225025-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 2.500" x 3.125" x 0.250"

Oil Seals or Rotary Shaft Seals are designed to provide a barrier to retain lubricant and to keep out contamination. They are available in metric and imperial sizes with a variety of sealing lip arrangements the most common of which are:

R21 - Single Sprung Lip
R23 - Single Sprung Lip with the addition of a wiper lip to help keep out contamination

Oil Seals are constructed using a steel case which is usually covered in rubber. Various materials are available the most common materials are:

Nitrile Rubber (NBR) - Temperature Range -40 to +110 degree C - Usually coloured Black
Viton Rubber (FPM) - Temperature Range -30 to +225 degrees C - Usually coloured Brown
Silicone (SI) - Temperature Range -60 to +225 degrees C - Usually coloured Red