| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid bearing device having a high moment rigidity and bearing performance. SOLUTION: The axial span between a radial bearing faces A1, A2 is extended by forming a plurality of radial-bearing clearances of a plurality of bearing sleeves 81, 82 to enhance the moment rigidity of the bearing device. Further, a radial-bearing clearance with a high degree of precision is obtained by setting the coaxiality of the radial bearing faces A1, A2 in at most 3μm with the bearing sleeves 81, 82 fixed to the housing 7. COPYRIGHT: (C)2007,JPO&INPIT
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