Timken HA590306 Wheel Bearing and Hub Assembly - Rear

Timken HA590306 Wheel Bearing and Hub Assembly Overview

The Timken HA590306 wheel bearing and hub assembly is engineered for reliable performance in select Chrysler, Dodge, and Mitsubishi vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for models including the Avenger, Eclipse, Galant, Sebring, and Stratus.

• Flange bolt hole quantity: 4
• Wheel pilot diameter: 2.600 inches (66.04 mm)
• Brake pilot diameter: 3.540 inches (89.92 mm)
• Wheel stud quantity: 5
• Hub pilot diameter: 2.600 inches (66.04 mm)
• Flange offset: 2.400 inches (60.96 mm)
• Flange diameter: 5.430 inches (138.00 mm)
• Bolt circle diameter: 4.500 inches (114.30 mm)
• Drive type: Non-driven

Technical Details and Specifications

This Timken wheel bearing and hub assembly (part number HA590306) features a 5-stud wheel configuration with a 4-hole flange bolt pattern, designed to match the OEM specifications for compatible vehicles. The wheel pilot and hub pilot diameters both measure 2.600 inches (66.04 mm), ensuring proper centering and alignment. The brake pilot diameter of 3.540 inches (89.92 mm) supports secure brake rotor mounting. With a flange offset of 2.400 inches (60.96 mm) and a flange diameter of 5.430 inches (138.00 mm), this assembly maintains correct wheel positioning relative to the suspension and brake components. The bolt circle diameter of 4.500 inches (114.30 mm) corresponds to the wheel mounting pattern for the specified vehicle models.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with the following makes and models:

• Chrysler Sebring and Stratus
• Dodge Avenger
• Mitsubishi Eclipse and Galant

It is designed for non-driven axle positions, making it suitable for front or rear hubs depending on the vehicle configuration.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel play or looseness affecting vehicle stability
• Corrects uneven brake rotor mounting due to worn hub pilots
• Prevents premature tire wear from misaligned hubs
• Restores proper wheel alignment and balance

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Remove the existing hub assembly carefully, noting the 4-hole flange bolt pattern and 5 wheel studs. Clean the mounting surface to remove debris and corrosion. Align the new Timken HA590306 assembly using the 2.600 inch hub pilot diameter for precise fitment. Torque all flange bolts to manufacturer specifications to avoid premature wear. Verify wheel and brake component clearance after installation.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The HA590306 part is subjected to rigorous quality control processes to ensure reliability in service. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship. Consult product documentation or Timken directly for detailed warranty information.