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ball bearing
(redirected from Ball-bearing)

    Also found in: Wikipedia 0.02 sec.
ball bearing: see bearing bearing, 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
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ball bearing

One of the two types of rolling, or antifriction, bearings (the other is the roller bearing). Its function is to connect two machine members that move relative to one another so that the frictional resistance to motion is minimal. In many applications, one of the members is a rotating shaft and the other a fixed housing. Each ball bearing has three main parts: two grooved, ringlike races and a number of balls. The balls fill the space between the two races and roll with negligible friction in the grooves. The balls may be loosely restrained and separated by means of a retainer or cage.



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Hardware Concepts offers self-closing, full-extension, ball-bearing slides, designed to automatically close a drawer and keep it closed securely.
Drawer slides by Wood & Wood Products
One recent example: when Chrysler added a performance version of its PT Cruiser, it found that its ball-bearings couldn't handle the added strain, so it turned to Timken with a quick development request.
Bearing up. (WIP) by Whitfield, Kermit / Automotive Design & Production
225"-thick polyethylene tub; solid galvanized-steel base; long-lasting swivel casters, with tough nonmarking polyurethane ball-bearing wheels; two colors--Pristine White and Crisp Blue; and a full complement of available accessories (spring platforms and covers).
LAUNDRY CARTS by Nursing Homes
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