| 摘要 |
PROBLEM TO BE SOLVED: To provide the structure capable of simplifying assembling processes and capable of easily and accurately setting a clearance of a thrust bearing in a thrust bearing part. SOLUTION: This dynamic pressure type bearing device is provided with a radial bearing part, which is provided between the outer peripheral surface of a shaft part of a shaft member and the inner peripheral surface of a bearing member to support the shaft part with the work of the dynamic pressure of the lubricating oil generated in a clearance of the radial bearing without touching it, and a thrust bearing part, which is provided between both end surfaces of a thrust plate of the shaft member and an end surface of the bearing member and the inner surface of a bottom part of a housing to support the thrust plate in the thrust direction with the work of the dynamic pressure of the lubricating oil generated in a clearance of the thrust bearing without touching it. The bearing member is fixed to the predetermined position of the inner peripheral surface of the housing, and since axial dimension between the end surface of the bearing member and the inner surface of the bottom part of the housing is formed at a constant dimension, a clearance of the thrust bearing is set at the predetermined value. COPYRIGHT: (C)2005,JPO&NCIPI
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