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 ?
The characteristic frequencies that appear in the vibration signal of a ball bearing are mainly the rotating frequency of the shaft, cage frequency, the BPFO and BPFI.
You can integrate the ball bearing mechanism in a more compact form, because you don't require external components to operate it," said Mike Waits, an engineer now at the Army Research Laboratory.
Police across the region recorded about 50 cases in the last 12 months involving weapons which fired ball bearings.
The energy required for the entire exchange process proves considerably less than that required for an aluminum atom to roll from hollow to hollow as if it were a ball bearing.
PKB was evaluated throughout every phase of the ball bearing manufacturing process, including procurement, production, and testing to accounting, logistics, information systems and human resources.
Heavy Duty Rubber Wheel 8 X2 Ball Bearing With Nyloc Nut & Bolt, Caster Wheel 6 X I %/I , 22Mm Pillar Type, Caster Wheel 4 X1", 22Mm Pillar Type With Break, Heavy Duty Rubber Wheel 6 X2 Ball Bearing With Nyloc Nut & Bolt Opening date : 10 Jan 2018
This part is a low-cost solution when compared with ball bearing systems and it's maintenance-free.
A WOMAN who tried a mouthful of McDonald's ice cream sundae found herself chewing on a ball bearing.
For the most part, however, this exciting technique has proved too expensive and cumbersome for items much bigger than a computer chip or a ball bearing.
New orders through the aerospace certified domestic miniature and instrument ball bearing factory are delivered in 8-10 weeks ARO.