High precision ball bearing 6302ZZ 16001~16020(zz or 2rs) 6000~6020(zz or 2rs) Deep groove ball bearing6302ZZ 1.long life,OEM, 2.Quick delivery,good service, 3.High quality bearing, 4.ISO9001:9002 Deep groove ball bearings mainly take radial load as well as take moderate axial load.With less coefficient of triction,Alvania R12 and so on Series Series 16000,6000,6200,6300 etc. Ring Material Chrome Steel ,Carbon steel,Stainless steel Tolerance grade