| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing capable of supplying lubricating oil between an inner ring and an outer ring without requiring a pump and with a low cost and a simple structure. SOLUTION: The rolling bearing 1 is equipped with the inner ring 20 forming a raceway 21, the outer ring 10 forming a raceway 13, and a rolling element 30 that rolls in each of the raceways 21, 13 of the inner and outer rings 20, 10. The rolling bearing 1 is for supplying grease G between the inner ring 20 and the outer ring 10. The inner ring 20 is provided with a permanent magnet 22, and the outer ring 10 is provided with a coil 14 formed by a conducting wire. Further, the outer ring 10 is provided with a heat generating body 15 connected to the conducting wire forming the coil 14, a grease storage part 11 for storing the grease G that melts by the heat generating body 15 generating heat, and a grease supply port 12 for supplying the melted grease G from the grease storage part 11 to between the inner ring 20 and the outer ring 10. COPYRIGHT: (C)2009,JPO&INPIT
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