| 摘要 |
PROBLEM TO BE SOLVED: To decrease rotation by inertia or idle running of a rolling bearing used as a touchdown bearing so as to prolong the lifetime. SOLUTION: The rolling bearing used as the touchdown bearing includes an outer ring 32, an inner ring 33 and a resistance applying member 50 for applying resistance to relative rotation of the outer ring 32 and the inner ring 33. The resistance applying member 50 has an urging member 52 attached to the outer ring 32 and a sliding member 51 pressed against the inner ring 33 by the urging force of the urging member 52. COPYRIGHT: (C)2009,JPO&INPIT
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