RESIN CAGE FOR ROLLING BEARING, AND ROLLING BEARING

摘要

PROBLEM TO BE SOLVED: To prevent a cage from having high temperature.SOLUTION: A resin cage 5 is incorporated in a multiple-row roller bearing 1 having a plurality of rollers 4 arranged between an inner race 2 and an outer race 3, and holds the rollers 4. The resin cage 5 includes annular parts 10, 11, and a plurality of pillars 20 separately provided in the circumferential direction. Metal heat radiation members 60 are buried in the annular parts 10, 11 respectively with parts thereof exposed, and the parts serve as heat radiation surfaces.