Keep the rear differential running quietly and holding proper gear alignment with the Timken Differential Bearing JM716649. This bearing locates and supports the rotating differential components so power transfers smoothly through the axle, and it drops in as a direct-fit replacement for the listed medium- and heavy-duty Ford and Mack Mid-Liner trucks, including the 1980-1994 Ford F-600, 1988-1994 Ford F-Super Duty, and 1986-1993 Mack CS300P Mid-Liner — see the Buyer's Guide tab for the full list.
Position: Cataloged for the rear differential in the rear, rear right, and rear left positions.
Function: Supports and locates the rotating differential components, helping maintain proper alignment and smooth operation under load.
Signs it may need replacing: A worn differential bearing may produce a whine or growl from the axle or added play; diagnose the cause before replacing, since other driveline parts can make similar noises.
Application coverage: Fits a range of listed Ford and Mack Mid-Liner trucks.
Fitment: 1980-1989 Ford B-600; 1980-1989 Ford B-700; 1987 Ford B-7000; 1980-1986 Ford C600; 1980-1986 Ford C700; 1987-1989 Ford C8000; 1987-1990 Ford CF6000; 1987-1994 Ford CF7000; 1987-1994 Ford CF8000; 1980-1994 Ford F-600; 1987-1994 Ford F-700; 1987 Ford F-7000; 1987-1994 Ford F-800; 1987 Ford F-8000; 1988-1994 Ford F-Super Duty; 1988-1990 Ford FT800; 1986-1993 Mack CS200P Mid-Liner; 1986-1993 Mack CS250P Mid-Liner; 1986-1993 Mack CS300P Mid-Liner; 1986-1993 Mack CS300T Mid-Liner; 1980-1982 and 1984-1993 Mack MS200P Mid-Liner; 1981 and 1983-1993 Mack MS250P Mid-Liner; 1981-1993 Mack MS300P Mid-Liner; 1981-1993 Mack MS300T Mid-Liner.
Manufacturer part number JM716649.
This part cross-references / interchanges with the following part numbers:
JM716649
Frequently Asked Questions
What does this differential bearing do?
It supports and locates the rotating differential components inside the axle, helping maintain proper gear alignment and smooth operation as power transfers through the differential.
Where is this bearing located?
It is cataloged for the rear differential and is listed for the rear, rear right, and rear left positions on the applicable trucks.
What are signs this bearing may need replacing?
A worn differential bearing may cause a whine or growl from the axle that changes with speed or load, or noticeable play. Diagnose the cause first, as other driveline parts can make similar noises.
Does this fit my vehicle?
It fits a range of listed Ford and Mack Mid-Liner trucks, including the 1980-1994 Ford F-600 and 1988-1994 Ford F-Super Duty. Check the Buyer's Guide tab for the complete list.
Is this bearing sold individually?
This listing is for one Timken Differential Bearing JM716649. Confirm the quantity your differential requires against the vehicle service information before ordering.
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WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
