| 摘要 |
PROBLEM TO BE SOLVED: To provide a thrust roller bearing capable of realizing a long life. SOLUTION: The thrust roller bearing has a plurality of rollers 11, a plurality of pockets 22 for holding the plurality of rollers and a disk-like retainer 21 of which collar part 26a at an outer circumference side is bent in a rotation shaft direction. An inner circumference side face of the collar part 26a at the outer circumference side forms a wall face 27a at an outer circumference side of the pocket 22 which is an ironed face. COPYRIGHT: (C)2008,JPO&INPIT
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