| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller bearing capable of preventing damages such as seizure, scuffing, etc. SOLUTION: The roller bearing 10 is structured so that a recess 17 is formed at least at one of the mating surface 15a of its flange 15 confronting a retainer 14 and a guide surface of the retainer 14 guided by the mating surface 15a. COPYRIGHT: (C)2003,JPO
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