| 摘要 |
PROBLEM TO BE SOLVED: To offer a bearing structure which can eliminate a height portion and width portion of a chamfered part generated when a corner of a supporting member is subjected to a chamfering process, lessen the supporting member, and lessen the dimensions of a mechanical part in which the bearing structure is incorporated. SOLUTION: A bearing structure is configured so that a number of needles 2 are held rotatably by a needle retainer 3, wherein the ring-shaped body 5 of the retainer 3 is furnished with a number of needle retaining holes 6 at a certain spacing in the circumferential direction, and a slope 7 with an increasing inside diameter from the inner end (i) toward the outer end (ii) of the retainer body 5 in the direction across the width is provided on the inside circumferential part of a left 5a and a right part 5b of retainer body 5 pinching the holes 6. |
