Timken HA590503 Wheel Bearing and Hub Assembly - Front

Timken HA590503 Wheel Bearing and Hub Assembly Overview

The Timken HA590503 wheel bearing and hub assembly is engineered for reliable driveline performance on Dodge Ram 2500 trucks. Designed to meet precise specifications, this assembly ensures proper fitment and durability for driven axle applications.

• 18 spline quantity for secure axle engagement
• Wheel pilot diameter of 121.13 mm (4.769 inches)
• Brake pilot diameter of 122.49 mm (4.822 inches)
• 8 wheel studs for stable wheel mounting
• Hub pilot diameter of 114.07 mm (4.491 inches)
• Driven axle design with a flange offset of 2.150 inches (54.62 mm)
• Flange diameter measuring 204.38 mm (8.047 inches)
• Bolt circle diameter of 164.51 mm (6.477 inches)

Technical Details and Specifications

The HA590503 wheel bearing and hub assembly from Timken is specifically designed for the Dodge Ram 2500, providing a precise fit with its 18 spline axle interface. The wheel pilot diameter of 121.13 mm (4.769 inches) and brake pilot diameter of 122.49 mm (4.822 inches) ensure proper alignment with the wheel and brake components. Featuring 8 wheel studs, this assembly supports secure wheel attachment and stability under load. The hub pilot diameter of 114.07 mm (4.491 inches) matches the vehicle’s hub mounting surface, while the flange offset of 2.150 inches (54.62 mm) and flange diameter of 204.38 mm (8.047 inches) accommodate the brake rotor and wheel assembly. The bolt circle diameter of 164.51 mm (6.477 inches) corresponds to the wheel bolt pattern for the Dodge Ram 2500.

Compatible Vehicles and Applications

This Timken HA590503 wheel bearing and hub assembly is compatible with Dodge Ram 2500 models equipped with driven axles requiring an 18 spline hub. It is designed to replace worn or damaged wheel bearing and hub assemblies, restoring proper driveline function and wheel alignment.

• Eliminates wheel bearing noise and vibration
• Resolves wheel hub looseness or play
• Corrects uneven brake rotor wear due to hub misalignment
• Prevents premature wheel stud failure
• Restores proper flange offset for brake and wheel fitment

Installation Notes and Tips

Installation of the Timken HA590503 requires proper tools and adherence to torque specifications. Ensure the axle splines and hub pilot surfaces are clean and free of debris before assembly. Use a calibrated torque wrench to tighten wheel studs and hub mounting bolts to manufacturer specifications. It is recommended to inspect related components such as axle seals and brake hardware during installation.

Quality Assurance and Warranty

Timken manufactures the HA590503 wheel bearing and hub assembly to meet OEM standards for durability and performance. This part undergoes rigorous quality control testing to ensure reliability in demanding conditions. Warranty coverage details should be confirmed with the product documentation or Timken directly.