| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling member capable of separating a contact part by lubricating oil, even in an operation condition of frequently starting and stopping and an operation condition unable to expect supply of the lubricating oil from an external part to the contact part such as rocking motion or a low speed and high load. SOLUTION: A dynamic pressure generating surface having a large number of very small dynamic pressure pockets 5 for generating the dynamic pressure action by the presence of the lubricating oil, is formed in a rolling contact part of the rolling member. A fluid lubricating state can be maintained even at a speed of not forming a sufficient oil film, by delivering the lubricating oil in the dynamic pressure pockets 5 from a deep lubricating oil storage pocket 4 by the thermal expansion, when starting relative motion, by dotting the lubricating oil storage pocket 4 deeper than the dynamic pressure pockets 5 on this dynamic pressure generating surface. COPYRIGHT: (C)2008,JPO&INPIT
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