| 摘要 |
PROBLEM TO BE SOLVED: To provide a dynamic pressure bearing having high load capacity against moment load, facilitating manufacturing of a bearing sleeve and making assembly work efficient. SOLUTION: The dynamic pressure bearing device 1 is provided with a housing 2, two bearing sleeves 3, 4 stored in an inner circumference of the housing 2, and a shaft member 5 inserted in inner circumferences of the first and the second bearing sleeve 3, 4. Axial length L1 of the first bearing sleeve 3 is set longer than axial length L2 of the second bearing sleeve 4. COPYRIGHT: (C)2008,JPO&INPIT
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