... : AISI52100, AISI440C, AISI304, AISI316, Ceramic7.Retainer: PTFE, Nylon, PEEK Or Stainless Steel8.Bore Size:from 1mm to 300mm9.Outside Diameter:from ... ...Retainer: PTFE, Nylon, PEEK Or Stainless SteelLubrication: Oil,grease,dryNoise Level: Z1,Z2,Z3,Z4Type: Deep groove ball bearingPackage: Tube & Box Packaging ... .011.050.00862772272.531.360.01462882482.571.360.016 Chrome steel miniature ball bearing