... speed, low noise, 4.Material:Gcr15 / Stainless steel 1.Spherical Plain Bearing 2.GE...ES,GEZ...ES,GEEW....ES,GAC....S ... ES/K Series. 3.High rotation speed, low noise, Spherical Plain Radial BearingWe are special in the production of bearing and pillow ... square flanged bearing,hanger bearing, taken-up bearing and spherical plain bearing,joint bearing..Undertakes Boundless Driving Force!Our advantage:1 ...