W18712537-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.250" x 1.875" x 0.375"

W18712537-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.250'' x 1.875'' x 0.375''
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Brand:  TTO
Measurement Unit  Imperial
Material  Nitrile Rubber (NBR)
Inside Diameter  31.75mm
Outside Diameter  47.63mm
Width  9.53mm
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
  (1 Review)
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W18712537-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 1.250" x 1.875" x 0.375"

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 (1 Review):  
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Rating:  
Just the job
28 October 2021  | 

Product looks fine. Service from Wych Bearings first class.
Very competitive too.

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