| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing having high quality enough to withstand against long-time use by minimizing a value of electric current flowing in the bearing without using a means such as an installed electric brush or a filled special grease. SOLUTION: The rolling bearing 10 comprises an inner ring 11 having an inner ring raceway surface 12 and an outer ring 13 having an outer ring raceway surface 14. On an outer diameter face 25 of the outer ring 13 and at least one of the inner and outer ring raceway surfaces 12, 14, an insulating layer 15 of a diamond like carbon layer is formed which has a plastic deformation hardness of 8-40 GPa and a surface resistance of 10<SP>6</SP>Ωor greater. COPYRIGHT: (C)2004,JPO&NCIPI
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