| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing capable of achieving high-speed, long service life, maintenance free system and of stably feeding a lubrication oil by using only grease sealed inside the bearing. SOLUTION: The rolling bearing comprises a grease reservoir 9, a clearance forming means 7 which forms a clearance 15 communicating to the neighborhood of a raceway face 2a of a raceway ring 2 from the grease reservoir 9, and a base oil moving medium 8. The base oil moving medium 8 is interposed inside the clearance 15 so as to facilitate feeding the base oil of the grease by capillarity inside the clearance 15 to the neighborhood of the raceway face 2a. COPYRIGHT: (C)2006,JPO&NCIPI
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