| 摘要 |
PURPOSE:To achieve a bearing having little sliding resistance and small stick slip of a roller by regulating the maximum number of rollers to be put in a turnabout path and having radius of curvature of the turnabout path and the diameter of the roller to satisfy the regulation. CONSTITUTION:Even if a roller 1 is rolled from a track 2 into a turnabout path 1 at uniform velocity, a roller 4 is not rolled from the turnabout path 1 to a return path 3 at uniform velocity, which causes stick slip of the roller (4). In order to reduce stick slip, radius of curvature R of the turnabout path 1 and diameter Da of the roller 1 are set in such a manner that the maximum number of rollers 1 to be put in the turnabout path 1 is about (an integer +0.25).
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