Bearing arrangement for high-speed rotor used in electric motor, has resilient bearing sleeve which is positively and non-positively arranged in bearing seat on the outer case of ball bearing

摘要

The bearing arrangement has a ball bearing (4) which is arranged between the rotor (1) and a bearing seat (3). The ball bearing comprises an inner case (6) and an outer case (7). The ball bearing on the inner case is positively and non-positively fixed on the rotor. A resilient bearing sleeve is positively and non-positively arranged in the bearing seat on the outer case of ball bearing.