| 摘要 |
FIELD: mechanical engineering. SUBSTANCE: invention can be used in bearing units in which antifriction bearings operate at high speeds. Proposed bearing unit contains antifriction bearing with cage and case installed on shaft. According to invention, proposed unit contains two coaxial bushings, one of which is tightly fitted on shaft, and the other is secured on case, and cage is mounted in cylindrical slot between bushings. Shafts, case and bushings can be provided with communicating channels to feed oil to cage. Cage can be made with holes. EFFECT: improved wear resistance and increased service life and running speed of bearing unit. 3 cl, 1 dwg
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