shell type needle roller bearings:1,ABEC-3,5;Z2V2, ... Noise level:Z1,Z2 5,C2,C0,C3... shell type needle roller bearings,Lily bearing is a specialized manufacturer ... cearing and are consequently able to accommodate both radical and axial loads.We are good at producing K, NA, NKI, ... inner ring full complement, NAV Axial thrust needle roller and cage assemblies, AXK, AXW Axial thrust needle roller and cage ...