| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rolling bearing for a belt type continuously-variable transmission pulley shaft of long service life, capable of being properly used in the belt type continuously variable transmission by securing the hardness under high temperature environment, the stability in its dimension, the resistance to peeling fatigue and the resistance to white tissue separation, and selecting and strengthening a rolling element. <P>SOLUTION: In this rolling bearing for supporting the belt type continuously-variable transmission pulley shaft, at least one of an outer ring, an inner ring and the rolling element is composed of alloy steel including C of 0.6-1.2 mass%, Cr of 0.8-1.8 mass%, Si of 0.6-1.3 mass% and S of 0.018 mass% or less. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
