Timken HA590203 Wheel Bearing and Hub Assembly - Front

Timken HA590203 Wheel Bearing and Hub Assembly Overview

The Timken HA590203 wheel bearing and hub assembly is engineered for reliable performance in Dodge Ram 2500 and Ram 3500 trucks. Designed to meet OEM specifications, this driven hub assembly ensures proper fitment and durability for heavy-duty applications.

• 33 spline quantity for secure axle engagement
• 8 wheel studs for enhanced wheel mounting stability
• 4 flange bolt holes for precise attachment
• Wheel pilot diameter of 121.00 mm (4.764 inches) for accurate wheel alignment
• Brake pilot diameter of 122.18 mm (4.810 inches) to support brake component fitment
• Hub pilot diameter of 114.00 mm (4.488 inches) ensuring proper hub centering
• Flange diameter of 205.18 mm (8.078 inches) and bolt circle diameter of 165.10 mm (6.500 inches) for compatibility with factory specifications
• Flange offset of 2.139 mm (54.33 inches) to maintain correct wheel positioning

Technical Details and Specifications

This Timken HA590203 assembly is a driven type hub designed specifically for Dodge Ram 2500 and Ram 3500 models. The 33 spline count matches the axle shaft for a secure connection, while the 8 wheel studs provide a stable mounting surface for wheels. The precise pilot diameters for the wheel, brake, and hub ensure proper centering and alignment, which is critical for maintaining vehicle stability and brake performance. The flange bolt hole quantity and bolt circle diameter correspond to factory standards, facilitating straightforward installation without modifications.

Compatible Vehicles and Applications

Compatible with Dodge Ram 2500 and Ram 3500 trucks, this wheel bearing and hub assembly is suitable for models requiring a driven hub with the specified spline and bolt pattern. It is ideal for restoring factory fitment and performance in these heavy-duty pickup trucks.

• Eliminates wheel vibration caused by worn bearings
• Resolves noise issues related to hub assembly wear
• Restores proper wheel alignment and brake component fitment
• Prevents premature tire wear due to hub misalignment
• Addresses axle engagement problems with correct spline count

Installation Notes and Tips

When installing the Timken HA590203, ensure the vehicle is securely lifted and supported. Verify the spline count and bolt pattern match the axle and wheel hub. Clean mounting surfaces before installation to prevent contamination. Torque all flange bolts and wheel studs to manufacturer specifications to maintain safety and performance. It is recommended to inspect related components such as axle shafts and brake rotors during installation.

Quality Assurance and Warranty

Timken manufactures the HA590203 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, covering defects in materials and workmanship, providing confidence in long-term reliability for Dodge Ram 2500 and Ram 3500 applications.