W18711225-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.125" x 1.875" x 0.250"

W18711225-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.125'' x 1.875'' x 0.250''
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Brand:  TTO
Measurement Unit  Imperial
Material  Nitrile Rubber (NBR)
Inside Diameter  28.58mm
Outside Diameter  47.63mm
Width  6.35mm
Lip Style  R21 Single Lip

Availability  

  

Our Price:  £4.12(Exc. 20% VAT)(£4.94 Inc. VAT)
–+

Bulk Discounts:

Quantity Price
1 to 4 £4.12
5 to 9 £2.68
10+ £2.06
  (2 Reviews)
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W18711225-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.125" x 1.875" 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
Oil Seal Lip Designs
Average Rating (2 Reviews):  
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Rating:  
Great quality
10 January 2019  | 

Excellent

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Rating:  
replacement seal
31 May 2018  | 

Imperial size rotary shaft seal which was required for a 50 year old motorcycle renovation. Item as described and prompt delivery.

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