Patent ID: 7891881
Filing Date: 2011-02-22
Classification: F16C

Abstract:
1. A drawn cup roller bearing comprising: an outer ring including a raceway surface; a first rib formed at one end of the outer ring by being bent substantially perpendicular to the raceway surface; a second rib formed at an other end of the outer ring by being bent inwardly so as to be substantially parallel to the raceway surface; a cage including pockets for holding rollers, respectively; and an annular projection stopper which is projected radially outwardly and provided over an entire outer circumference at a pocket side position of an outer circumferential surface of the cage, wherein an end surface of the cage abuts against a part of the first rib, and the annular projection stopper is interposed between an end face of the second rib which faces the rollers and the rollers in a state that the cage is assembled into the outer ring, and wherein a gap adapted to accommodate a lubricant is formed between a radially outer surface of the annular projection stopper and an inner surface of the outer ring facing the annular projection stopper.