1,high quality 2,Super quality and low price 3,ISO standard 4,Delivery in time Ball ... )Shield/Closure:Plain(Open),Z,ZZ,RS,2RS,UG.5)Vibration and Noisy level: Z1,Z2,Z3,ZV1,ZV2.ZV3.Z1V1.Z2V2 ... /LApplicationAuto, tractor ,machine tool, electric machine, water pump, agricultural machinery and textile machineryPackageIndusitrial package or according to buyers’ requirementDetailsDeep groove ball ...