| 摘要 |
PROBLEM TO BE SOLVED: To supply a bearing with lubricating oil sufficiently and securely without making any feed hole in an inner ring of the bearing when the lubricating oil is fed to the bearing inside from an oil feed passage of a shaft. SOLUTION: An oil feed plate 8 is attached to one side end of an inner ring 5 of an angular type ball bearing clamped to the vicinity of a shaft 2, and a recess 11 and a groove 13 continued from it both are formed an end face at the side of the inner ring 5 of the oil feed plate 8, forming an oil feed sump 12 by the end face of the inner ring 5 and the recess 11, and simultaneously an oil feed nozzle 14 is formed in space between the groove 13 and the end face of the inner ring 5, through which a branch passage 4 of the shaft 2 is interconnected to this oil feed sump 12. |
