| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spindle supporting rolling bearing for a wind power generation device, which causes little friction and seizure in the operating conditions of the wind power generation device in a wide low-to-high speed range, and also causes little lubricant deterioration resulting from wear debris produced from a cage or bearing rings, and fewer troubles. <P>SOLUTION: The spindle supporting rolling bearing 5 comprises: an inner ring 11 and an outer ring 12 as the bearing rings; rolling elements 13 laid between the inner ring 11 and the outer ring 12; and the cage 14 for rotatably holding the rolling elements 13. It supports a spindle 3 of the wind power generation device on which a blade is mounted. On the surface of the cage 14, a coating is formed using such a resin composition that a synthetic resin contains fullerene, and at least one disulfide selected from molybdenum disulfide and tungsten disulfide. The whole resin composition contains the 0.1-10 volume% fullerene and the 0.5-20 volume% disulfide. <P>COPYRIGHT: (C)2009,JPO&INPIT |
