WAVY CAGE FOR BALL BEARING, AND DEEP GROOVE BALL BEARING

摘要

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.;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.;COPYRIGHT: (C)2009,JPO&INPIT