发明名称 |
Rolling bearing of a small motor for an information-processing device |
摘要 |
A rolling bearing 1 is provided to support the rotating member of a small motor of an information-processing device wherein the groove radius ratio of the raceway groove of the inner race 2 is in the range from 52% up to 54%, while the groove radius ratio of the raceway groove of the outer race 3 is in the range from 54% up to 56%, and whereby the small motor rotates at a high rotation speed with a prolonged acoustic life.
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申请公布号 |
US6942392(B2) |
申请公布日期 |
2005.09.13 |
申请号 |
US20010957462 |
申请日期 |
2001.09.21 |
申请人 |
NSK LTD. |
发明人 |
NISHIMURA NOBUHIKO;AOKI MAMORU |
分类号 |
F16C19/16;F16C33/58;(IPC1-7):F16C19/06 |
主分类号 |
F16C19/16 |
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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