| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tapered roller bearing wherein the cracks and chipping of a large flange of an inner ring can be prevented, and a spindle supporting structure of a wind power generator using the bearing. <P>SOLUTION: The inner ring 12b is provided with a tilt part 28b extended to the peripheral direction between a large flange face 27b abutted to a large end face of a tapered roller and guiding the large end face and a large flange outside diameter face 26b which is the outside diameter face of the inner ring 12b on the large flange side. The tilt part 28b is the tilt provided between the large flange face 27b and the large flange outside diameter face, and is the region obtained by increasing a thickness of the large flange 21b to an arrow Y direction which is the load applying direction. <P>COPYRIGHT: (C)2007,JPO&INPIT |
