ball bearing

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Related to Ball-bearing: radial bearing

ball bearing

n. Abbr. bb
1. A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
2. A hard ball used in such a bearing.

ball bearing

n
1. (Mechanical Engineering) 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. (Mechanical Engineering) a metal ball, esp one used in such a bearing

ball′ bear′ing


n.
1. a bearing consisting of a number of hard balls running in grooves in the surfaces of two concentric rings, one of which is mounted on a rotating or oscillating shaft.
2. a ball so used.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ball bearing - bearings containing small metal ballsball bearing - bearings containing small metal balls
bearing - a rotating support placed between moving parts to allow them to move easily
References in periodicals archive ?
Beaver precision ball-bearing screw actuators are a key part of the system which keeps the wheels tangent to curved or straight track; 2 actuators to each side of the wheel truck.
Wichard ball-bearing blocks, in 32 and 42 mm diamater sheave sizes, have an innovative design that incorporates two lateral sizes of ball bearings set into the side of the sheave and a solid bearing hub.
A GIRL aged 15 may lose the sight in her left eye after being struck by a ball-bearing.
A BOY of 10 was arrested after he allegedly shot a pregnant teacher in the face with a ball-bearing gun.
Yo in the yo-yo community, is credited with inventing the first playable ball-bearing yo-yo, the Silver Bullet 2, in the early 1990s.
Father-of-two David Burrows (44), from Norfolk, forgot the ball-bearing gun, loaded with steel ball bearings, was in his bag as he made his way through security at Stansted Airport, Chelmsford Crown Court heard.
Police were called on Tuesday afternoon after a 15-year-old girl, walking in Alcester Road, Studley, was shot in the leg with ball-bearing gun pellets.
In the latest attacks, the gunman blasted a ball-bearing through a pub window, took a pot shot at a shop,and fired through a living room window.
The guns are filled with plastic ball-bearing pellets which can injure people because of the speed at which they travel.
The firm is said to have optimized every part of the WRX ball-bearing joint line with a focus on performance and long-term reliability.
Then add 18 inches of leader - in this case the leader is the same test as the line - and attach a strong ball-bearing swivel that is as small as possible so as not to affect the action of the lure, which goes on last.
By June 1994, LA Gear will begin shipping the new, non-mercury, ball-bearing motion-light system, which eliminates these environmental concerns.