W28718737 R21 Imperial Oil Seal
£5.17
£4.31
In stock
SKU
24188
Inside Diameter: 1.87" (47.5mm)
Outside Diameter: 2.87" (72.9mm)
Width: 0.37" (9.4mm)
Style: R21
Material: Nitrile
Outside Diameter: 2.87" (72.9mm)
Width: 0.37" (9.4mm)
Style: R21
Material: Nitrile
The W28718737 R21 Imperial Oil Seal has an inside diameter of 1.87" (47.5mm), an outside diameter of 2.87" (72.9mm), and a width of 0.37" (9.4mm).
An Oil Seal (also known as a Shaft Seal, Lip Seal or Elastomeric Lip Seal), is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. Generally, Oil Seals have been developed as a means of protecting the bearings of rotating shafts.
R21 Oil Seals have a metal body which is rubber coated and contains a single sprung lip. R23 Oil Seals have an extra lip called a 'Wiper Lip', and are sometimes referred to as 'Double Lip'.
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