| 摘要 |
PROBLEM TO BE SOLVED: To improve lubricating condition in a guide clearance when grease lubrication is adopted in an outer ring guide system rolling bearing. SOLUTION: A resin cage 3 assembled between an outer ring 1 and an inner ring 2 is guided by the cage guide surface of the outer ring 1 and the guide surface of the resin cage 3, and at least one of the cage guide surface of the outer ring 1 and the guide surface of the resin cage 3 is provided with a recessed part 33 formed to retain grease. COPYRIGHT: (C)2007,JPO&INPIT
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