Rolling bearing of a small motor for an...

Details Rolling bearing of a small motor for an... Rolling bearing of a small motor for an...

2005-09-13

2005-09-13

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

Reexamination Certificate

active

06942392

ABSTRACT:
A rolling bearing1is 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 race2is in the range from 52% up to 54%, while the groove radius ratio of the raceway groove of the outer race3is in the range from 54% up to 56%, and whereby the small motor rotates at a high rotation speed with a prolonged acoustic life.

REFERENCES:
patent: 4334721 (1982-06-01), Satoh et al.
patent: 5501530 (1996-03-01), Nagai et al.
patent: 6152605 (2000-11-01), Takemura et al.
patent: 6164833 (2000-12-01), Kai et al.

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