ball bearing

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ball bearing:

see bearingbearing,
machine part designed to reduce friction between moving parts or to support moving loads. There are two main kinds of bearings: the antifriction type, such as the roller bearing and the ball bearing, operating on the principle of rolling friction; and the plain, or
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.

ball bearing

[‚bȯl ′ber·iŋ]
(mechanical engineering)
An antifriction bearing permitting free motion between moving and fixed parts by means of balls confined between outer and inner rings.

ball bearing

1. a bearing consisting of a number of hard steel balls rolling between a metal sleeve fitted over the rotating shaft and an outer sleeve held in the bearing housing, so reducing friction between moving parts while providing support for the shaft
2. a metal ball, esp one used in such a bearing
References in periodicals archive ?
s (NYSE: KAMN) Aerospace segment has entered into an agreement to acquire GRW Bearing GmbH, a German designer and manufacturer of super precision, miniature ball bearings, the company said
A recent development from GRW Bearings -- Wurzburg, Germany, is a stainless steel alloy designed for the manufacture of small and miniature ball bearings.
Part of the Minebea Group, which is one of the world's leading producers of miniature ball bearings and a major manufacturer of sophisticated precision electronic components.
Minebea is the world's largest producer of miniature ball bearings, and a leading manufacturer of precision electromechanical devices.

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