ball bearing

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Related to Ball bearings: thrust bearing

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 ?
One device, placed under a 4x4 near Larsen's home, fired a ball bearing into a headboard in an upstairs bedroom.
However, NHBB is relatively small compared to the ball bearing giant Minebea, headquartered in Tokyo and traded on the Tokyo exchange.
This allows tapered roller bearings used in diffs and other applications to be replaced with ball bearings, with an approximately 60% reduction in torque expected in diff side bearings.
Doctor has asked me to undergo operation right now to remove the ball bearings still inside my stomach.
A police spokeswoman said: "This incident happened in broad daylight and we hope someone may have information on any cars that may have been involved or the offenders that fire the ball bearings.
Judge Christopher Ball QC accepted that Burrows, who admitted possessing a ball bearing gun in an aerodrome in breach of the 1982 Aviation Security Act, had been forgetful and did not intend to cause harm.
PC Kelly called for ball bearing guns, sold as toys, to be banned.
The driver, who works for First Bus, was hit with a ball bearing from an air rifle on Friday evening in the Robroyston area of Glasgow.
Round particles would seem to make ideal ball bearings.
Aviation ball bearings fit into the tail rotor assembly of helicopters and are considered critical to flight safety.
Pacamor Kubar Bearings manufactures high performance DFARS compliant miniature and instrument ball bearings for the aerospace, defense, medical, industrial, and commercial industries.