W47540050 R21 Imperial Oil Seal
£11.72
£9.77
In stock
SKU
24309
Inside Diameter: 4" (101.6mm)
Outside Diameter: 4.75" (120.65mm)
Width: 0.5" (12.7mm)
Style: R21
Material: Nitrile
Outside Diameter: 4.75" (120.65mm)
Width: 0.5" (12.7mm)
Style: R21
Material: Nitrile
The W47540050 R21 Imperial Oil Seal has an inside diameter of 4" (101.6mm), an outside diameter of 4.75" (120.65mm), and a width of 0.5" (12.7mm).
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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