Timken HA590425 Wheel Bearing and Hub Assembly - Front

Timken HA590425 Wheel Bearing and Hub Assembly Overview

The Timken HA590425 wheel bearing and hub assembly is engineered for reliable performance on Ford F-350 Super Duty trucks. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for demanding driveline applications.

• 55 spline quantity for secure axle engagement
• 4 flange bolt holes for stable mounting
• 8 wheel studs for reliable wheel attachment
• Wheel pilot diameter of 124.91 mm (4.918 inches) for accurate wheel alignment
• Brake pilot diameter of 129.01 mm (5.079 inches) to support brake component fitment
• Hub pilot diameter of 113.80 mm (4.480 inches) for precise hub centering
• Flange diameter of 203.00 mm (7.992 inches) and bolt circle diameter of 170.00 mm (6.693 inches)
• Flange offset of 2.028 mm (51.50 inches) optimized for driven axle applications

Detailed Specifications and Compatibility

This Timken HA590425 wheel bearing and hub assembly is specifically designed for the Ford F-350 Super Duty, ensuring compatibility with the vehicle's driveline and axle system. The 55 spline count matches the axle shaft for secure torque transfer, while the 4 flange bolt holes and 8 wheel studs provide a robust mounting platform. The precise wheel pilot and brake pilot diameters facilitate proper wheel and brake rotor alignment, reducing vibration and wear. The flange and bolt circle diameters correspond to factory specifications, maintaining the integrity of the wheel hub assembly.

Common Applications and Problem Resolution

This wheel bearing and hub assembly is used to replace worn or damaged components in the driveline of Ford F-350 Super Duty trucks. It addresses several common issues:

• Eliminates wheel bearing noise caused by wear or contamination
• Resolves wheel wobble or vibration due to hub misalignment
• Restores proper flange and bolt hole integrity for secure wheel mounting
• Prevents premature brake rotor wear by maintaining correct brake pilot diameter
• Ensures reliable torque transfer with correct spline engagement

Installation Notes and Tips

When installing the Timken HA590425 wheel bearing and hub assembly, ensure the axle shaft spline count matches the 55 splines of the hub. Verify that the flange bolt holes and wheel studs align correctly with the vehicle’s mounting points. Use proper torque specifications for flange bolts and wheel studs to avoid damage or loosening. It is recommended to inspect related components such as axle seals and brake rotors during installation to ensure overall system integrity.

Quality Assurance and Warranty

Timken manufactures the HA590425 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under heavy-duty conditions typical of Ford F-350 Super Duty trucks. While specific warranty details should be confirmed at the point of purchase, Timken products generally include a limited warranty against defects in materials and workmanship.