... 2.Material pure 3.Competitive price 4.Low noise,OEMservice Thrust ball bearing, bearing manufactureHigh quality,Short delivery date 511,512,513,532,533 ... ,533,523,542,543 type 1.Thrust ball bearing : inch series and metric series .2.Structures: 511,512, ... (suffix E)5.Ring Material: GCr15, GCr15SiMn6.Cage : pressed steel 51118~51152; 51218~51236; 51318~51336; 51418~7.Cage : machined brass ...