Rotative machine, for electromagnetic clutch, includes series of balls inserted in holes of retaining crown, in contact with two points of inner and outer tracks, and having grease inserted between balls and tracks

摘要

Bearing (3) comprises outer (32) and inner (31) tracks, which contain series of balls (33). Retaining crown (35) is placed in gap (34), and has series of holes (35a) where balls can rest. Each ball is in contact with two points (31d, 31e) of inner track, and two points (32d, 32e) of outer track. Grease is placed in gap, and is used as cushion between balls and tracks. An Independent claim is also included for the electromagnetic clutch.