OS18x28x7mm R21 Oil Seal
£1.39
£1.16
In stock
SKU
22317
Internal Diameter: 18mm
External Diameter: 28mm
Width: 7mm
Style: R21
Material: Nitrile 70
External Diameter: 28mm
Width: 7mm
Style: R21
Material: Nitrile 70
Bearing Shop UK hold large stocks of OS18x28x7mm R21 Oil Seals, with an inside diameter of 18mm, an outside diameter of 28mm, and a width of 7mm.
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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