| 摘要 |
A roller circle, including: upper and lower arcuate rails each having a bearing surface that is spaced from and opposes the bearing surface of the other rail, a plurality of tapered rollers in the space between the rails and in rolling contact with the bearing surfaces, each roller being mounted on a shaft, and an inner cage the smaller ends of the rollers, said inner cage including a portion that overlies a side face of one of said rails to engage said side face and transfer thrust loads from the rollers, through the case, and to the rail. |
