Seal - Glossary - Technical

Glossary - Seal

A device used to stop the ingress of contaminants and/or the leakage of lubricant from the bearing. Seals can be separate items, or they can be an integral part of the bearing. Integral bearing seals are situated between the inner and outer rings, and cover the edge of the bearing protecting the internal moving parts.

Seals can be made from various materials including rubber compounds or ptfe. The most common integral bearing seal is made from nitrile. Compare shield.

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You can find oil seals and sealed bearings in the Bearing Shop Online Seals and Bearings Online Catalogue pages.


The Small Parts and Bearings has a much larger range of engineering supplies.

Hobby and Engineering Supplies lists a smaller range of products and only the most popular items in each range. They also list many additional hobby specific categories.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.



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