PN#663  SKU#14531  Application: Rear Axle – Differential FOR MD (1980-88). For GMC, IH 78-55, Hwy Trailer (FW)(RW) . Style: Single Cones. Bore Diameter (Cone ID): 3.25 in. Cone Width: 1.62 in. VMR: S053016002. 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. 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.

Precision manufactured using premium-grade steel for lasting performance.
Crowned raceways and rollers for even load distribution.
Engineered to meet OE specifications.
Industry-leading coverage for domestic and import applications.
Testing throughout design and development processes by engineers for quality.
For GMC applications.