Operational stability is one of the mostcrucial characteristics of bearings in space actuators. Space bearings embrace unique dynamic properties due to their micro-oil lubrication and non-metallic cage. A dynamic simulation of three different B7005C bearing types, a typical aerospace bearing, was carried out in this paper. Steel ball bearings, hybrid ceramic ball bearings, and full ceramic ball bearings were the materials used to make such bearings. The findings demonstrate that, in comparison to steel bearings, the ceramic ball bearings operated stably under heavy radial loads, and that the use of ceramic balls and raceways will reduce the axial inner race deflection and its fluctuation.
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