| 摘要 |
PROBLEM TO BE SOLVED: To provide rollers with a retainer capable of improving lubrication action.SOLUTION: In rollers with a retainer, the rollers 3 are housed in respective pockets 2 provided at multiple portions in the circumferential direction in a cylindrical retainer 1, and ridges 4, 5 for preventing the roller from coming out of position are provided at opening edges at the inner diameter side and outer diameter side of side surfaces facing each other in the circumferential direction of the retainer 1, of each pocket 2. Roller guide surfaces 6 for guiding the rollers 3 are provided at both end positions more outside the axial direction from the ridges 4, 5 on the side surface of each pocket 2. The ridges at the inner diameter side and the outer diameter side are provided at positions where the ridges are partially overlapped with each other in the axial direction. |
