Patent ID: 8821025
Filing Date: 2014-09-02
Classification: F16C

Abstract:
1. A rolling bearing, comprising: an inner ring; an outer ring arranged radially outward of the inner ring via an annular space so as to be concentric with the inner ring; and a plurality of rolling elements rollably disposed between an inner ring raceway surface formed on an outer peripheral face of the inner ring and an outer ring raceway surface formed on an inner peripheral face of the outer ring, wherein a plurality of inside dimples in which a liquid lubricant is retained and a plurality of outside dimples in which a solid lubricant is retained are formed in at least one of the inner ring raceway surface and the outer ring raceway surface, the inside dimples are formed in a section being close to a contact region at which at least one of the inner ring raceway surface and the outer ring raceway surface contact the rolling elements, and the outside dimples are formed outside a portion in which the inside dimples are formed.