| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing for lengthening the service life of the bearing, by effectively utilizing base oil of grease sticking to a sealing device, in the rolling bearing with the sealing device of inner ring rotation lubricated by the grease.SOLUTION: This rolling bearing includes inner-outer rings 1 and 2, a plurality of rolling elements 3 interposed between the inner-outer rings 1 and 2 and the sealing device 5 arranged in the outer ring 2 and blocking up a bearing space between the inner-outer rings 1 and 2. In the rolling bearing, an annular ring-shaped base oil moving medium 6 constituted of a material for generating a capillary phenomenon and moving the base oil of the grease, is arranged on an inner wall surface of the sealing device 5, and an inner peripheral edge part of the base oil moving medium 6 is contacted with an inner diameter surface 1a of the inner ring 1. |
