| 单词 | needle roller |
| 释义 | > as lemmasneedle roller needle roller n. a roller in the form of a long, thin, sometimes tapered cylinder, used in roller bearings. 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 1935 Jrnl. Royal Aeronaut. Soc. 39 470 The crankshaft was mounted on roller bearings, and the connecting rod big ends were mounted on needle rollers in split housings. 1974 ‘A. Haig’ Peruvian Printout 37 A rubber-wheeled trolley which glided on needle roller bearings. 1998 Automotive Engineer Oct. 31/2 The trailing arms pivot, using needle rollers, on subframes. < as lemmas |
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