Patent ID: 6623168
Filing Date: 2003-09-23
Classification: F16C

Abstract:
A tapered roller bearing in which a large-end-face roughness &sgr;1 of a tapered roller is not less than 0.04 &mgr;mRa;a composite roughness &sgr;, which is a square root of a sum between a square of the large-end-face roughness &sgr;1, and a square of an inner ring large-end-face roughness &sgr;2 that makes sliding contact with the large end face of the tapered roller, is set to be not more than 0.17 &mgr;mRa; a radius of curvature ratio R1/R2, which results from dividing a convex radius of curvature R1 of the large end face of the tapered roller by a concave radius of curvature R2 of the inner-ring large end face, is set to be not more than 0.35.