... , construction machinery, and so on. Deep groove ball bearing Features:1.Structure:General,flanged,extended inner ring2 ... C2, C3, C4, C5Material: AISI52100, AISI440C, AISI304, AISI316...Retainer: PTFE, Nylon, PEEK Or Stainless SteelLubrication: Oil,grease,dryNoise ... Level: Z1,Z2,Z3,Z4Type: Deep groove ball bearingPackage: Tube & Box Packaging & DeliveryPackaging Detail:Tube & ...