RESIN RETAINER FOR ROLL BEARING AND ROLL BEARING

摘要

PROBLEM TO BE SOLVED: To provide a resin retainer for a roll bearing and the roll bearing capable of molding with precision molding by improving liquidity of a resin material at the time of injection molding.;SOLUTION: In the roll bearing 4 having raceway rings (an inner ring 8 and outer ring 10) relatively rotatably arranged in an opposite position and a plurality of rollers 6 rotatably arranged between both raceway rings and the resin retainer 2 used for the roll bearing, a plurality of pockets 12 rotatably retaining the plurality of rollers one at an each place are respectively formed on the resin retainer 2. Reinforced fibers with an average fiber length at a range of 0.01 to 0.20 mm after molding the resin retainer are arranged in a resin material used when the resin retainer is made by injection molding.;COPYRIGHT: (C)2006,JPO&NCIPI