| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tapered roller bearing requiring low costs and exhibiting high passing oil amount increase effects. <P>SOLUTION: The tapered roller bearing has an inner ring 10, an outer ring 20, a tapered roller 24 and a cage 32. On a small collar 14 side end face of the inner ring 10, an oil groove 18 cut from the small diameter side to the outer diameter side is provided. The oil groove 18 is communicated with an oil supplying hole 48 provided on a shaft 50 to which the inner ring 10 is fitted. The small collar 14 side end face of the inner ring 10 is positioned in the direction of the tapered roller 24 from the inner wall face of a rib 38 in the small diameter side of the cage 32. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
