ball bearingn.

Brit.

/ˌbɔːl ˈbɛːrɪŋ/, U.S.

/ˌbɔl ˈbɛrɪŋ/,

/ˌbɑl ˈbɛrɪŋ/

Origin: Formed within English, by compounding. Etymons: ball n.¹, bearing n.¹

Etymology: < ball n.¹ + bearing n.¹

1. A bearing in which the parts are separated by a ring of small, freely rotating, uniform metal balls, used esp. for rotating axles and shafts.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction

bearing1734

friction-wheel1772

friction-roller1793

friction-ball1813

cylinder1819

screw-down1864

ball bearing1867

needle roller1935

1867 E. T. Freedley Philadelphia & its Manufactures 367 (advt.) Bement & Dougherty... Shafting. With improved hangers and pillow-blocks, having both vertical and horizontal adjustment and self-adjusting ball bearings.

1883 Knowledge 3 Aug. 76/1 Three machines..with ball-bearings.

1903 G. H. Lorimer Lett. Merchant vii. 84 A mule..with..droopy, wiggly-woggly ears that swung in a circle as easy as if they ran on ball-bearings.

1913 Sat. Evening Post (Philadelphia) 22 Feb. 39/3 (advt.) We use 15 roller bearings—11 of them Timkens—where the usual ball bearings would cost one-fifth as much.

1940 Railroad Mag. Apr. 46/2 Hotbox, overheated journal or bearing... This was a frequent cause of delay in the old days. Timken men say it would not happen today on trains completely equipped with ball-bearings.

2000 Pract. Classics June 111/2 The fully floating halfshaft is supported at the hub end by a roller bearing and a plain ball bearing.

2. A small, solid metal ball of the kind used in such bearings.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction > part of

friction-roller1793

ball bearing1904

1904 R. Kipling Traffics & Discov. 190 A race-full of ball bearings strewn..along a Hampshire road.

1958 Life 10 Nov. 23/3 Aluminum pellets the size of small ball bearings.

1964 Listener 8 Oct. 540/2 Pachinko is played with handfuls of ball-bearings. You drop them, one by one, into the machine, flick them round, and if they land in a winning cup, the machine coughs back fifteen ball-bearings.

1998 Guardian 10 Aug. ii. 8/4 The BLU-26 [bomblet]..contains 100g of high-explosive and 300 ball bearings embedded in its steel casing.

Derivatives

ball-ˈbearinged adj. equipped with ball bearings.In quot. 1956¹ figurative.

ΚΠ

1956 N. Algren Walk on Wild Side iii. 339 But as he moved slowly Schmidt moved slowly, a ball-bearinged monster with his hands on the bearings.

1956 Biol. Bull. 111 115 (caption) Each 800-gram weight was suspended by a cord passing over a ball-bearinged pulley.

1976 Yorks. Evening Press 9 Dec. 18/1 (advt.) A bicycle for Christmas... Trusty Fawn, fully ballbearinged, with stabilizers £36.50.

1988 Christian Sci. Monitor 20 Jan. 30/4 Treacherous ball-bearinged wheels that at the slightest imbalance will bring the performers crashing to the floor.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021).

单词	ball bearing
释义	ball bearingn. Brit. /ˌbɔːl ˈbɛːrɪŋ/, U.S. /ˌbɔl ˈbɛrɪŋ/, /ˌbɑl ˈbɛrɪŋ/ Origin: Formed within English, by compounding. Etymons: ball n.¹, bearing n.¹ Etymology: < ball n.¹ + bearing n.¹ 1. A bearing in which the parts are separated by a ring of small, freely rotating, uniform metal balls, used esp. for rotating axles and shafts. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction bearing1734 friction-wheel1772 friction-roller1793 friction-ball1813 cylinder1819 screw-down1864 ball bearing1867 needle roller1935 1867 E. T. Freedley Philadelphia & its Manufactures 367 (advt.) Bement & Dougherty... Shafting. With improved hangers and pillow-blocks, having both vertical and horizontal adjustment and self-adjusting ball bearings. 1883 Knowledge 3 Aug. 76/1 Three machines..with ball-bearings. 1903 G. H. Lorimer Lett. Merchant vii. 84 A mule..with..droopy, wiggly-woggly ears that swung in a circle as easy as if they ran on ball-bearings. 1913 Sat. Evening Post (Philadelphia) 22 Feb. 39/3 (advt.) We use 15 roller bearings—11 of them Timkens—where the usual ball bearings would cost one-fifth as much. 1940 Railroad Mag. Apr. 46/2 Hotbox, overheated journal or bearing... This was a frequent cause of delay in the old days. Timken men say it would not happen today on trains completely equipped with ball-bearings. 2000 Pract. Classics June 111/2 The fully floating halfshaft is supported at the hub end by a roller bearing and a plain ball bearing. 2. A small, solid metal ball of the kind used in such bearings. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction > part of friction-roller1793 ball bearing1904 1904 R. Kipling Traffics & Discov. 190 A race-full of ball bearings strewn..along a Hampshire road. 1958 Life 10 Nov. 23/3 Aluminum pellets the size of small ball bearings. 1964 Listener 8 Oct. 540/2 Pachinko is played with handfuls of ball-bearings. You drop them, one by one, into the machine, flick them round, and if they land in a winning cup, the machine coughs back fifteen ball-bearings. 1998 Guardian 10 Aug. ii. 8/4 The BLU-26 [bomblet]..contains 100g of high-explosive and 300 ball bearings embedded in its steel casing. Derivatives ball-ˈbearinged adj. equipped with ball bearings.In quot. 1956¹ figurative. ΚΠ 1956 N. Algren Walk on Wild Side iii. 339 But as he moved slowly Schmidt moved slowly, a ball-bearinged monster with his hands on the bearings. 1956 Biol. Bull. 111 115 (caption) Each 800-gram weight was suspended by a cord passing over a ball-bearinged pulley. 1976 Yorks. Evening Press 9 Dec. 18/1 (advt.) A bicycle for Christmas... Trusty Fawn, fully ballbearinged, with stabilizers £36.50. 1988 Christian Sci. Monitor 20 Jan. 30/4 Treacherous ball-bearinged wheels that at the slightest imbalance will bring the performers crashing to the floor. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < n.1867
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