W21213731-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.375" x 2.125" x 0.313"

Brand: TTO
Measurement Unit Imperial
Material Nitrile Rubber (NBR)
Inside Diameter 34.93mm
Outside Diameter 53.98mm
Width 7.94mm
Lip Style R21 Single Lip

Availability

Our Price: £4.43(Exc. 20% VAT)(£5.32 Inc. VAT)

–+

Bulk Discounts:

Quantity	Price
1 to 4	£4.43
5 to 9	£2.88
10+	£2.22

Information
Technical Information
Customer Reviews (0)

W21213731-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.375" x 2.125" x 0.313"

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