TRB (Timken) 496 Class 3 Tapered Roller Bearing Cone only (for 492A Cup)
Cone Part Number 496. d – Cone Bore 3.1875 in 80.963 mm. R – Cone Backface “To Clear” Radius. B – Cone Width 1.1720 in 29.769 mm. G1 – Heat Generation Factor (Roller-Raceway) 104.6. G2 – Heat Generation Factor (Rib-Roller End) 29.3.