| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing capable of securing smooth rotation by increasing the quantity of lubricant supplied to the inside of the bearing. SOLUTION: As the lubricant supplied from a shaft 11 to an inner ring 40 is supplied to an outer ring raceway 31, an inner ring raceway 41 and a rolling element 50 through a cut 44 formed on a butting end face 43a of an inner ring element 43 constituting an inner ring 40, sufficient quantity of lubricant can be supplied. Thus smooth rotation can be secured. COPYRIGHT: (C)2007,JPO&INPIT
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