发明名称 |
BEARING DEVICE AND METHOD OF MANUFACTURING THE BEARING DEVICE |
摘要 |
A bearing device comprising a shaft body having an axially cylindrical portion in a free end side thereof and a rolling bearing fitted around an outer peripheral surface of the shaft body, wherein the cylindrical portion is bent and deformed radially outward by a rolling caulking to be caulked thereby on an outer end face of an inner ring of the rolling bearing. An inner peripheral surface of the cylindrical portion is formed by a turning work, and a residual stress left in a surface layer of the inner peripheral surface of the cylindrical portion by the turning work is set to a value capable of restraining a crack generation ratio in the inner peripheral surface to less than a predetermined rate, desirably to not more than 5 kgf/mm<2>. <IMAGE> |
申请公布号 |
EP1312819(A1) |
申请公布日期 |
2003.05.21 |
申请号 |
EP20010955690 |
申请日期 |
2001.08.13 |
申请人 |
KOYO SEIKO CO., LTD. |
发明人 |
TODA, KAZUTOSHI;KASHIWAGI, SHINICHIROU;ISHII, TOMOHIRO;MITARAI, TADASHI;TOMITA, DAISAKU |
分类号 |
B60B27/00;F16C35/063;F16C37/00 |
主分类号 |
B60B27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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