| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a roller bearing excellent in productivity, in a large-sized roller bearing and a main shaft supporting structure of a wind power generator provided with the large-sized roller bearing. <P>SOLUTION: A tapered roller bearing comprises: an outer ring; an inner ring; a plurality of tapered rollers disposed between the outer ring and the inner ring; and a plurality of retainer segments 11a each of which has a plurality of columns extending along an axial direction to form pockets retaining the tapered rollers and connecting parts circumferentially extending to connect the plurality of columns, and is disposed between the outer ring and the inner ring so as to be circumferentially and sequentially continuous to each other. A material of the retainer segment 11a is photosetting resin, and the retainer segment 11a is manufactured by optical shaping. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
