Thrust ball bearing of high quality 1,Material:Bearing steel 2,Cage:Steel cage, Carbon cage 3,Structure:Ball, Roller Thrust ball bearing of high quality Single Direction Thrust Ball Bearings Single direction thrust ball bearings have two washers, with grooved raceways. The curvature of the raceways is slightly larger than that of the ball. Out of two washers, one is shaft washer & the other one ...