Lancashire Seals

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1/2x1x3/8 Inch Imperial Shaft Oil Seal R21/SC Single Lip

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Imperial Oil Seal
  • Buy 10 for £1.30 each and save 14%
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1/2x1x3/8 Inch Imperial Shaft Oil Seal R21/SC Single Lip

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1/2x1x3/8 Inch Imperial Shaft Oil Seal

R21 / SC

  Single Lipped







Commonly known as an oil seal, shaft seal, or lip seal.

  These are used  to exclude dust, dirt and water on one side

whilst keeping the lubricant in on the other.

Generally they have been developed as a means of protecting the bearings

The most common Oil Seals are Double lipped which are R23 or TC

and Single Lipped which are R21 or SC


  1. Good Quality Nitrile Oil Seals
  2. Motorcycle,Automotive
  3. General Engineering
  4. Great Parts Dispatched the same day


We can supply Oil Seals In the following materials:
FPM Otherwise known as Viton
We can do them in all Styles as well

Rubber covered case single lip - R21
Rubber covered case single lip with wiper - R23

Metal case single lip - R4
Metal case single lip with wiper - R6
Totally metal enclosed (leather or rubber lip) Single - R1

Totally metal enclosed Single lip with wiper - Semi Dual

Double lip double sprung Rubber covered - R22

Double lip double spring Metal case - R5

Rubber covered case Springless - R25

Metal case Springless - R12
If you don't see the items that you need send us an email
and we''ll do what we can to help you find what you need.

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