1.taper roller bearing 2.Model No. :6000 series. 3.Brand as ... be acceptable. 5.longer life SKF 6204 deep groove ball bearing Deep Groove Ball BearingBrandSKF, NTN, NSK, Koyo, KOOEMCustomization ... -2RZ6215-RS6215-2RS75130251.51.2Features:1.bore diameter from 10mm--80mm.2.bearing range1)6000 series 6000--6016.2) ... Tools.Sport Apparatus,Office equipment, Agriculatural Machines,etc taper roller bearing