Front Axle Needle Bearing 1999–2006 Ford Super Duty Dana 50 / Dana 60

Description

The Spicer 550759 is a genuine Dana Spicer front axle needle (spindle) bearing designed for 1999–2004 Ford Super Duty 4×4 trucks equipped with Dana 50 or Dana 60 front axles and unit-style wheel bearing assemblies.

This bearing installs inside the front hub / unit wheel bearing assembly and provides critical support for the outer axle stub shaft, ensuring smooth rotation and proper load distribution under 4WD operation.

Over time, worn needle bearings can cause:

• Front-end vibration

• Axle shaft movement

• Premature hub wear

• Noise when 4WD is engaged

Replacing this bearing restores proper shaft alignment and helps extend the life of your hub assembly.