摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing having dimensional stability and superior rolling fatigue life. SOLUTION: The rolling bearing 10 comprises an outer ring 1, an inner ring 2, a plurality of rolling bodies 3. At least one member of the outer ring 1, the inner ring 2 and the rolling body 3 has a nitrogen enriched layer, austenite crystal grains in a range exceeding No.10 in the grain size number and the amount of residual austenite in a range of 11-25%. COPYRIGHT: (C)2005,JPO&NCIPI
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