ball bearing
Plural
ball bearings
1
a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation
- The bicycle's smooth operation is attributed to the ball bearings in its wheel hubs and bottom bracket.
- Industrial machinery relies on ball bearings to reduce friction and facilitate the movement of rotating parts.
- Aerospace applications utilize ball bearings in aircraft engines, landing gear systems, and control surfaces.
- The function of a ceiling fan is improved by ball bearings, allowing quiet and continuous rotation of the fan blades.
- Electric motors benefit from ball bearings to ensure efficient and quiet rotation of the motor shaft.
Synonyms: