Miniature Bearings

A miniature bearing is as it says, the smallest size of ball bearings available. Measuring the outer diameter, this usually means 20mm or smaller in metric or, in imperial, 1 inch or smaller. Townsend Bearings can supply miniature ball bearings as small as 1mm, or .1181 inches on the inner diameter.

Miniature bearings are ideal for precision work and applications that require a lot of functional mechanical parts in a small space.
Miniature ball bearings are designed to handle loads and reduce friction so that those loads are moved easily through the application.

Townsend Bearings is able to supply miniature bearings plain or flanged. These bearings can also come sealed, known as 2RS, shielded, known as ZZ, or open, in which the seals and shields are used to protect against leaks and contamination.
Townsend Bearings can supply miniature bearings in carbon chrome or stainless steel.

Stainless steel bearings are corrosion resistant and are perfect for handheld medical and dental equipment. Miniature bearings can be found in a vast range of applications, including clocks, watches and model cars.

Miniature Bearings Catalogues

All of our catalogues are available to download in PDF format. To view our catalogues see links to the main Bearings and Bushes catalogue and main Miniature Bearings sections below.

Full Catalogue
Bearings and Bushes

Miniature Bearings Catalogue Sections
Miniature Bearings – Single Row Radial – Metric
Miniature Bearings – Thin Section Series – Metric
Miniature Bearings – Three Part Thrust – Metric

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