| 摘要 |
A center for machine tools comprises a shaft (16) rotatably supported in a support body (12) which has a frusto-conical external surface over its entire length, the shaft having a pointed front end (26) projecting beyond the support body and being supported within the body by rolling bearings including a composite rolling bearing at the front end of the support body comprising needle rollers (38) for transmitting radial loads and needle rollers (40) for transmitting axial loads. <IMAGE> |
