| 摘要 |
PROBLEM TO BE SOLVED: To obtain a roller bearing which is superior in all of corrosion resistance, non-magnetizability and wear resistance. SOLUTION: An inner race and an outer race are formed in matrix comprising a titan alloy by a material in which a particle comprising titanium boride is dispersed and deposited in ratio between fraction of above 3% by volume and fraction of below 40% by volume. A rolling body is made of silicon nitride. COPYRIGHT: (C)2003,JPO
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