30x40x7-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Metric 30 x 40 x 7

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Brand: TTO
Measurement Unit: Metric
Material: Nitrile Rubber (NBR)
Inside Diameter: 30.00mm
Outside Diameter: 40.00mm
Width: 7.00mm
Lip Style: R21 Single Lip

Availability:

Our Price: £3.30(Exc. 20% VAT)(£3.96 Inc. VAT)

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Bulk Discounts:

Quantity	Price
1 to 4	£3.30
5 to 9	£2.15
10+	£1.65

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30x40x7-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Metric 30 x 40 x 7

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

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