Keep the differential pinion running on a true, well-supported bearing surface with the Timken Differential Pinion Race HM801310, a tapered roller bearing cup. It is a direct-fit replacement for the listed applications, including the 1968-1980 MG MGB, 1987-2002 Land Rover Range Rover, 1994-2002 Land Rover Discovery, 1995-2006 Audi A6 Quattro and 1996-2008 Audi A4 Quattro. It also fits many other Audi, Alfa Romeo, Chrysler, Ford, Mitsubishi Fuso and Volkswagen models. See the "Vehicles it fits" section for the full list and engine details.
This part is the outer ring, or cup, of a tapered roller bearing. It provides the raceway that the tapered rollers run against while the bearing supports the differential pinion. Depending on the application, it is cataloged for the front inner, rear outer and rear inner positions.
- Tapered roller bearing specialist: Timken is recognized worldwide as a leader in tapered roller bearings, and it backs its components with technology and engineering support.
- Radial and axial load capacity: Timken tapered roller bearing components are designed to manage both radial and axial loads. They are engineered to provide durability in a compact space.
- Built for demanding service: Engineered to deliver higher speeds, heavier loads and longer life.
- Replace cup and cone together: Timken recommends replacing the inner (cone) and outer (cup) at the same time to maximize reliability and life.
Signs a pinion bearing may need replacing include a whine or growl from the differential that changes with acceleration or deceleration, or noticeable play at the pinion. Diagnose the cause before replacing parts. Follow the vehicle service information for installation and bearing setup.
Frequently Asked Questions
What is Timken HM801310?
It is a Timken tapered roller bearing cup. It is the outer race of the differential pinion bearing, and the tapered rollers ride against it.
Does this include the bearing cone?
This listing is the cup, or outer race. Timken recommends replacing the inner cone and the outer cup at the same time to maximize reliability and life.
Which position does this race fit?
Depending on the application, it is cataloged for the front inner, rear outer and rear inner positions. Check the "Vehicles it fits" section for your vehicle.
Which vehicles does it fit?
Listed applications include the 1968-1980 MG MGB, 1994-2002 Land Rover Discovery, 1995-2006 Audi A6 Quattro and 1996-2008 Audi A4 Quattro. See the "Vehicles it fits" section for the full list.
What are signs of a worn pinion bearing?
A whine or growl from the differential that changes with acceleration or deceleration, or play at the pinion, may indicate worn pinion bearings. Diagnose the cause before replacing parts.
