| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rolling bearing device without shortening the service life of a lubricant, by reducing an agitation resistance of the lubricant positioned between an inner ring and outer rings. Ž<P>SOLUTION: A sponge material 5 being a porous member is arranged inside a lubricant reservoir 60 for reserving the lubricant 3 in an oil chamber 50 communicating with a space between the outer rings 30 and 31 and the inner ring 32 in a state of arranging the outer rings 30 and 31 in a predetermined position. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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