| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a turning ring enabling the easy manufacturing of a large structure of a turning diameter at low cost. <P>SOLUTION: The turning ring comprises a large number of rolling elements 2; an outer ring 1 having a rolling face 11 for the rolling elements 2 along the circumferential direction of the inner peripheral face; and an inner ring 3 assembled to the radial inner side of the outer ring 1 via the rolling elements 2. The inner ring 3 has load rolling faces 31 for the rolling elements 2 opposing to the rolling face 11 of the outer ring 1 and arranged in the circumferential direction discontinuously and endless circulation passages 32 for the rolling elements 2 rolled on the load rolling faces 31. <P>COPYRIGHT: (C)2009,JPO&INPIT |
