| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thrust bearing suppressing reduction of axial thickness due to wear. <P>SOLUTION: A coupling 56 regulating relative location of both retainers 59, 60 to retain a condition where a rolling axis of an upper roller 58 retained by an upper retainer 60 and a rolling axis of a lower roller 57 cross at right angle without regulating relative position of a rotor race 51, a housing race 53 and an intermediate race 52 to the upper and the lower retainer 59, 60 is provided in an inner circumference side of each race 51, 52, 53 and both retainers 59, 60. <P>COPYRIGHT: (C)2007,JPO&INPIT |
