| 摘要 |
<P>PROBLEM TO BE SOLVED: To propose a rolling bearing having a bearing lubricating structure, capable of properly holding lubricating oil, and dispensing with processing of a shaft body. <P>SOLUTION: This rolling beating includes an inner ring 2, an outer ring 1, a plurality of rolling elements 4 arranged in an annular area 3 formed between the inner ring 2 and the outer ring 1, a cage 5 holding the plurality of rolling elements 4, a cylindrical part 8 projecting in the axial direction from one side end surface in the axial direction of the inner ring 2, and an inward flange part 9 extending inside in the radial direction from the tip of the cylindrical part 8, and has the cylindrical part 8 and an overhang part 7 forming an annular groove 10 holding the lubricating oil in an area partitioned by the inward flange part 9. <P>COPYRIGHT: (C)2009,JPO&INPIT |
