BEARING NUMBERING SYSTEM 1 PREFIX ET NTN Endurance tapered roller bearings case hardened material 4T NTN 4Top tapered roller bearings case 4T495AX 30000 11720 25 4T493 53750 8750 13 11875 76200 29769 64 136525 22225 33 30162 4T496 31875 11720 14 80962
Browse All Categories in the NTN Bearing Corp of America catalog including Ball BearingsTapered Roller BearingsCylindrical Roller BearingsNeedle Roller BearingsSpherical Roller BearingsMounted UnitsParts Accessories
recognizable by the prefix 4T For these bearings casehardening is applied to all the bearing components • Inner ring • Outer ring • Rollers TyPES OF STEEl 100% of our imperial dimensioned references use casehardened steel A hardened surface layer for enhanced resistance A resilient core to absorb impacts
