| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tapered roller bearing having high effect in increase of amount of passing oil at low cost. <P>SOLUTION: A ratio of wall thickness of bearing cross section of the tapered roller bearing is set in such a way that wall thickness of an inner ring PI(%)≥35%, wall thickness of an outer ring PD (%)=23% to 31%, and wall thickness of a roller PR (%)≤40%. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
