Timken HA590628 Wheel Bearing and Hub Assembly - Front

Timken HA590628 Wheel Bearing and Hub Assembly Overview

The Timken HA590628 wheel bearing and hub assembly is engineered for reliable performance in Ram 2500 and 3500 trucks. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for demanding driveline applications.

• 35 spline quantity for secure axle engagement
• 8 wheel studs for stable wheel mounting
• 4 flange bolt holes for secure attachment
• Flange diameter of 204.75 mm (8.061 inches)
• Bolt circle diameter of 165 mm (8.060 inches)
• Wheel pilot diameter of 122.85 mm (4.837 inches)
• Brake pilot diameter of 120.93 mm (4.760 inches)
• Hub pilot diameter of 119.90 mm (4.720 inches)
• Flange offset of 2.220 inches (56.39 mm)
• Designed for driven axle applications

Detailed Specifications and Features

The Timken HA590628 assembly features a 35-spline design that matches the axle shaft for Ram 2500 and 3500 models, ensuring a precise and secure fit. The assembly includes 8 wheel studs and 4 flange bolt holes, providing a robust mounting platform for wheels. The flange diameter measures 204.75 mm (8.061 inches), while the bolt circle diameter is 165 mm (8.060 inches), aligning with factory specifications for these heavy-duty trucks.

Wheel pilot diameter is 122.85 mm (4.837 inches), and brake pilot diameter is 120.93 mm (4.760 inches), which helps maintain proper alignment of the wheel and brake components. The hub pilot diameter of 119.90 mm (4.720 inches) ensures compatibility with the vehicle’s hub assembly. The flange offset of 2.220 inches (56.39 mm) is designed to maintain correct wheel positioning relative to the suspension and brake system.

Compatible Vehicles and Applications

• Compatible with Ram 2500 models requiring a driven wheel bearing and hub assembly
• Compatible with Ram 3500 models requiring a driven wheel bearing and hub assembly
• Ideal for restoring factory fit and function in driveline and axle repairs
• Suitable for use in heavy-duty towing and hauling conditions

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before installation
• Verify spline count and dimensions match the axle shaft and wheel specifications
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect related components such as axle seals and brakes during installation
• Clean mounting surfaces to ensure proper seating and alignment

Quality Assurance and Warranty

Timken manufactures the HA590628 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under heavy-duty conditions. This part is backed by Timken’s limited warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to Timken’s official warranty documentation for detailed terms and conditions.