W12508718-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 0.875" x 1.250" x 0.188"

W12508718-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 0.875'' x 1.250'' x 0.188''
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Brand:  TTO
Measurement Unit:  Imperial
Material:  Nitrile Rubber (NBR)
Inside Diameter:  22.23mm
Outside Diameter:  31.75mm
Width:  4.76mm
Lip Style:  R21 Single Lip

Availability:  

In stock  

Our Price:  £3.16(Exc. 20% VAT)(£3.79 Inc. VAT)
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  (1 Review)

Bulk Discounts:

Quantity Price
1 to 3 £3.16
4 to 9 £2.05
10+ £1.58

W12508718-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Imperial 0.875" x 1.250" x 0.188"

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:  
B&S crankshaft
Thursday, 18 June 2015  | 

Used on flywheel side of a B&S 2hp rotovator engine type 60203

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