4180-55 – Center Support Bearing – Ford Application – 1.574″ ID – 1.500″ Center Bearing To Base

SKU

4180-55

Application

Ford

Inner Bore Diameter

1.574 inches

Center-to-Base Height

1.500 inches

Height Context

Lowest-profile unit in the Ford 4180 series

At 1.500 inches center-to-base, the 4180-55 is the lowest-profile bearing in the Ford 4180 family -- significantly shorter than the 4180-50 at 2.524 inches and the 4180-60 at 2.748 inches. This compact height accommodates Ford configurations where tunnel clearance is limited or where the driveshaft geometry requires the midshaft to run at a lower elevation relative to the frame mounting surface.

The low-profile design is not a budget specification -- it is a deliberate geometric requirement for specific Ford applications. Installing a taller bearing where the 4180-55 belongs raises the midshaft center, increasing the U-joint operating angles on both sides of the stub shaft. The result is elevated second-order vibration that increases with vehicle speed and often presents as a buzz felt through the floor or seat at highway speeds.

Confirm the original height before ordering. A quick check: with the bearing still installed in the vehicle, measure from the center of the bearing housing to the bracket mounting surface while the vehicle is at ride height. That measurement tells you which Ford CSB variant you need. Find additional variants in the center support bearing catalog.