| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent a circumferential center portion of a pocket part from being interfered with a groove shoulder even when the groove shoulder of a raceway groove is set to be higher while ensuring the strength of a connection part of a wavy cage. <P>SOLUTION: A pocket part 6a of a pair of annular bodies 6 is prevented from being interfered with a groove shoulder even when the groove shoulder of a raceway groove of a deep groove ball bearing is set to be higher while ensuring the strength of a connection part 6b of a wavy cage 5 by setting the band width dimension A of a circumferential center portion of the pocket part 6a to be smaller than the band width dimension B of the connection part 6b. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
