| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a lubricant scraped in a pocket inner surface from leaking outside a bearing. <P>SOLUTION: In a retainer, hemispherical pockets 12 for storing balls are circumferentially formed in a plurality of sections on facing surfaces 11 of two circular bodies 10, and the two circular bodies 10 are connected by abutting the facing surfaces 11. A connection part for connecting the two circular bodies 10 is provided at the both circumferential ends of the pocket 12, and a recess 17 is provided to at least one of the inner circumferential edge or the outer circumferential edge of the pocket 12. <P>COPYRIGHT: (C)2013,JPO&INPIT |
