Tapered Roller Bearing Cone and Cup Assembly Both the inner (cone) and outer (cup) should be replaced at the same time to maximize reliability and life Engineered to deliver higher speeds, heavier loads and longer life Timken is the recognized global leader in tapered roller bearings. Unrivaled technology and engineering support With capacity to manage both radial and axial loads, high performance Timken tapered roller bearing components are engineered to provide the greatest durability in the most compact space. Aplication Summary: RW-RWD FOR MD (1987-17), FRT MD (1992-13), HIN MD (2005-13), ISU MD (1995-12).HEAVY DUTY TRUCK BEARI