| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rolling bearing of a trace lubrication type to be used for a satellite attitude control flywheel or a gyroscope, having less torque fluctuation and wear due to insufficient lubrication. <P>SOLUTION: The rolling bearing of a trace lubrication type to be used for cosmic space or vacuum environment is subjected to oil plating treatment and/or the treatment of impregnating a cage with lubricating oil. It comprises a bearing ring, rolling elements, and the cage. The cage is a polyimide resin porous body. Its holes are 0.3-6 μm in size, account for 10-20% of the total volume of the cage, and have a communication rate of 7-17%. <P>COPYRIGHT: (C)2007,JPO&INPIT |
