31x47x7-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Metric 31 x 47 x 7

31x47x7-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Metric 31 x 47 x 7
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Brand:  TTO
Measurement Unit:  Metric
Material:  Nitrile Rubber (NBR)
Inside Diameter:  31.00mm
Outside Diameter:  47.00mm
Width:  7.00mm
Lip Style:  R21 Single Lip

Availability:  

  

Our Price:  £3.80(Exc. 20% VAT)(£4.56 Inc. VAT)
–+

Bulk Discounts:

Quantity Price
1 to 4 £3.80
5 to 9 £2.47
10+ £1.90

31x47x7-R21-NBR Rotary Shaft Seal - Nitrile Rubber (NBR) Metric 31 x 47 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
Oil Seal Lip Designs

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