| 摘要 |
A rolling member is utilized for such as a rolling bearing and the rolling members are disposed to be rollable between members which are relatively movable with respect to each other. The rolling member is provided with a rolling portion contacting the movable members during the rolling motion thereof and longitudinal both end portions. The rolling portion is formed to provide a protruded circular arc shape and the end portions are formed so as to provide a spherical shape, the circular rolling portion has a radius of curvature larger than a radius of each of the end spherical portions, and a distance between the end spherical portions is larger than a maximum diameter of the circular rolling portion.
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