| 摘要 |
PROBLEM TO BE SOLVED: To perform fastening work for externally fitting and fixing an encoder 19d to a shoulder portion 35 of an inner ring 6 in the state in which the center axis of the encoder 19d corresponds to that of the inner ring 6. SOLUTION: A supporting ring 20c constituting the encoder 19d has first and second cylindrical portions 44, 45. The first cylindrical portion 44 is externally fitted and fixed to the shoulder portion 35. During externally fitting and fixing work, the second cylindrical portion 45 is fitted into a circular recessed portion 43 of a press-in jig 42 with no looseness. In the state in which the center axis of the press-in jig 42 corresponds to the center axis of the inner ring 6, the pres-in jig 42 is pushed against the inner ring 6 and the first cylindrical portion 44 is externally fitted and fixed to the shoulder portion 35. Thus, the center axis of the press-in jig 42 accurately corresponds to that of the supporting ring 20c. COPYRIGHT: (C)2005,JPO&NCIPI
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