| 摘要 |
PROBLEM TO BE SOLVED: To provide, at low cost, a rolling bearing having not only long life under foreign matter mixed lubrication but also excellent wear resistance. SOLUTION: At least one of an inner ring, an outer ring, and rolling elements is formed of an alloy steel having 0.1 to 1.0 wt.% C, 0.1 to 1.5 wt.% Si, 0.1 to 1.5 wt.% Mn, 0.5 to 3.0 wt.% Cr, 3.0 or less wt.% Mo, 2.0 or less wt.% V, and 2.0 wt.% Ni and residual parts Fe and unavoidable impurity elements. The carbon content and nitrogen content of the surface layer of a completed article are 0.8 to 1.5 wt.% C and 0.3 to 0.7 wt.% N. COPYRIGHT: (C)2004,JPO&NCIPI
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