Patent ID: 9243667
Filing Date: 2016-01-26
CPC Classification: F16C

Claim Text:
1. A tapered roller bearing, comprising: an inner ring; an outer ring spaced from an outer peripheral surface of the inner ring by an annular space, the outer ring and the inner ring being concentric about an axis; a plurality of tapered rollers rollably disposed in the annular space; and a cage retaining the plurality of tapered rollers, wherein: liquid lubricant flows through the annular space; and among the inner ring, the outer ring, the plurality of tapered rollers, and the cage, at least one rotating component configured to rotate at the time of bearing rotation is provided with a vaporization promotion mechanism configured to decrease a pressure of the liquid lubricant at a time of bearing rotation so that the pressure of the liquid lubricant reaches a saturation vapor pressure at which the liquid lubricant changes from a liquid phase to a vapor phase.