QU50578 TimkenTaperedWheel or Diff Bearing is most commonly used in 1959-1996 4×4 trucks as the front inner wheel bearing, plus some axle differential side bearing applications. This is a First Class, original equipment quality bearing that meets or exceeds all vehicle manufacturer specifications making it the top choice for heavy-duty applications like yours. Country of origin may vary as Timken produces Bearings in plants located around the globe, however, QU50578 is almost always made in either Canada or the United States.

Need More Info? Use the handy Links below to access over 40 years of Dan’s product and vehicle specific Tech Notes to easily get the information you need for your vehicle’s repair, maintenance, or upgrade project!

Dan the Gear Man Tech Notes:
Matching Cups
1959-1996 Ford F100, F150, Bronco, 1959-1975 Ford F250
1960-1977.5 GM ton, 1969-1974 Dodge W100, 1964-1

Tech Note 1: Matching Cups
Always replace the cup and cone at the same time.The matching Bearing Cup for most wheel bearing applications is QU50577. The matching Bearing Cup for most differential side bearing applications is QU50966.

Tech Note 2:1959-1996 Ford F100, F150, Bronco, 1959-1975 Ford F250
Matching Parts for QU50578 Inner Wheel Bearing in 1959-1996 Ford Bronco, F100, F150 4x4s with Dana 30, Dana 44 orDana 44IFS Front Axle. 1959-1975 Ford F250 with Dana 44 Standard Closed Knuckle Front Axle:
QU50654Wheel Seal1959-1969.5
QU90001 Wheel Seal 1969.5-1994
QU20403 Wheel Seal 1995-1996 except for some Broncos with 3.07 ratio and manual hubs
QU50577Inner Wheel Bearing Cup
QU50447Outer Wheel Bearing Cup
QU50448 Outer Wheel Bearing
QK4727Double Spindle Nut Kit
QK4770Spindle Nut Kit for Auto Hubs 1980-1994
QU40106Ratchet Spindle Nut 1985-1992
QU90018Pyroplex Synthetic Grease
QT5500Wheel Bearing Packer

Tech Note 3: 1960-1977.5 GM ton, 1969-1974 Dodge W100, 1964-1973 IHC ton, 1974-1976 Jeep Drum Brake Wagoneer, Cherokee, J10
Matching Parts for QU50578 Inner Wheel Bearing in 1960-1977.5 Chevy or GMC 1/2 ton, 1969-1974 Dodge W100, 1964-1973 IHC 1/2 ton, and 1974-1976 Front Drum Brake equipped Jeep Wagoneer, Cherokee, and J10 truck:
QU50654Wheel SealEXCEPTGM 1972-1977.5
QU50091Wheel Seal 1972-1977.5 GM
QU50577Inner Wheel Bearing Cup
QU50447Outer Wheel Bearing Cup
QU50448Outer Wheel Bearing
QK4727Double Spindle Nut Kit
QU90018Pyroplex Synthetic Grease
QT5500Wheel Bearing Packer

APPLICATIONS:

Chevy and GMC Front Inner Wheel Bearing:
Blazer, Jimmy, K10, K15 pickupsandSuburbans: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1977.5

Dodge Front Inner Wheel Bearing:
W100: 1969, 1970, 1971, 1972, 1973, 1974

Ford Front Inner Wheel Bearing:
F100, F150 with Dana 44 Front Axle EXCEPT 1987-1988 F150 with Pancake Front Hub: 1959,1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Bronco Except 1987-1988 with Pancake Front Hub: 1966,1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
F250 with standard Dana 44 closed knuckle front axle: 1959,1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975

International:
1/2tonTruck Front Inner Wheel Bearing: 1964,1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975

Jeep:
Wagoneer, Cherokee, J10 with drum Front Brakes: 1974, 1975, 1976