ball bearing
noun
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 or the like.
ball bearings
-
pluralof ball bearing.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
GM built trucks, tanks, guns, shells, ball bearings, aircraft and ship engines for the war.
From The Wall Street Journal ● Jun. 26, 2026
The white plastic ball, the size of a tennis ball, is packed with ball bearings that rattle as it rolls.
From Barron's ● Nov. 22, 2025
In his house, investigators say, they found ball bearings and a slingshot.
From Los Angeles Times ● May 29, 2024
“When a key is depressed, the ball bearings are released and fall, hitting the rods and the piano strings,” The Boston Globe explained in 1980.
From New York Times ● Mar. 16, 2023
Her legs looped and rotated like an acrobat’s, her neck swiveled with extra ball bearings.
From "Dreaming in Cuban" by Cristina García
