EW Thrust Ball Bearing Hardening steel Race, stainless steel available Different Cage Materials Light Series, Flat Race Ball EW1-1/2 Thrust Ball BearingLight Series, Flat Race BallBearing ... /16"1/2"SYZ thrust ball bearings are available as banded, 3 piece grooved race, 3 piece flat race and self aligning series ... phenolic, steel, plastic, aluminum and bronze. EW1-1/2 Thrust Ball Bearing