Definition, Meaning & Synonyms
ball-bearing
noun
/bɔːl ˈbɛərɪŋ/
Definition
A mechanical device consisting of a ring with a series of balls that facilitate smooth rotation or movement between parts.
Examples
- Many bicycles use ball-bearings in their wheel hubs to enhance performance.
- The engine’s ball-bearings help it run smoothly and quietly.
- With ball-bearings, the machinery can operate at higher speeds with less wear and tear.
Meaning
Ball-bearings reduce friction between moving parts, allowing for easier motion and improved efficiency in machines and vehicles.
Synonyms
- bearing
- roller bearing
- friction-reducing device
