| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thrust roller bearing having a bearing ring having high rigidity, without causing deformation in a manufacturing process. <P>SOLUTION: This thrust roller bearing 11 has a plurality of rollers 12, a cage 13 holding the plurality of rollers 12, raceway surfaces 14b and 15b contacting with the rollers 12 on one side wall surface in the thickness direction of an annular ring-shaped member, cylindrical collar parts 14c and 15c extending to the raceway surface 14e, 15b side in the thickness direction on one side among an outer diameter surface and an inner diameter surface of the annular ring-shaped member, and the first and second bearing rings 14 and 15 having bending parts 14e and 15e bending to the raceway surface 14b, 15b side in the3 thickness direction on the other side. <P>COPYRIGHT: (C)2008,JPO&INPIT |
