Timken HA590322 Wheel Bearing and Hub Assembly - Rear

Timken HA590322 Wheel Bearing and Hub Assembly Overview

The Timken HA590322 wheel bearing and hub assembly is engineered for reliable performance in select Volvo models. Designed as a non-driven hub, this assembly ensures precise fitment and durability for Volvo C30, C70, S40, and V50 vehicles.

• Flange bolt hole quantity: 4
• Wheel pilot diameter: 2.488 inches (63.20 mm)
• Brake pilot diameter: 2.500 inches (63.50 mm)
• Wheel stud quantity: 5
• Hub pilot diameter: 2.913 inches (74.00 mm)
• Flange offset: 2.480 inches (63.00 mm)
• Flange diameter: 5.354 inches (136.00 mm)
• Bolt circle diameter: 4.252 inches (108.00 mm)
• Drive type: Non-driven

Technical Details and Specifications

The Timken HA590322 assembly features a 5-stud wheel configuration with a 4-hole flange bolt pattern, designed to match the exact specifications required by Volvo C30, C70, S40, and V50 models. The wheel pilot diameter measures 2.488 inches (63.20 mm), while the brake pilot diameter is slightly larger at 2.500 inches (63.50 mm), ensuring proper alignment with brake components. The hub pilot diameter of 2.913 inches (74.00 mm) provides a secure fit on the axle hub. With a flange offset of 2.480 inches (63.00 mm) and a flange diameter of 5.354 inches (136.00 mm), this assembly maintains correct wheel positioning and balance. The bolt circle diameter of 4.252 inches (108.00 mm) corresponds to the wheel mounting pattern for these Volvo models.

Applications and Problem Resolution

This wheel bearing and hub assembly is compatible with the following Volvo vehicles:

• Volvo C30
• Volvo C70
• Volvo S40
• Volvo V50

Common issues addressed by installing the Timken HA590322 include:

• Excessive wheel bearing noise or roughness
• Wheel vibration or wobble during driving
• Uneven tire wear due to hub misalignment
• ABS sensor malfunctions related to hub assembly
• Loose or damaged wheel studs or flange bolts

Installation Notes and Tips

Proper installation of the Timken HA590322 wheel bearing and hub assembly requires attention to torque specifications and alignment. Ensure the flange bolt holes and wheel studs are clean and free of debris before mounting. Use a calibrated torque wrench to tighten flange bolts and wheel studs to manufacturer-recommended values. Verify the hub pilot diameter fits snugly on the axle hub to prevent movement. It is advisable to inspect related suspension and brake components during installation for wear or damage.

Quality Assurance and Warranty

Timken manufactures the HA590322 assembly to meet strict quality standards, ensuring durability and performance in demanding driving conditions. This wheel bearing and hub assembly undergoes rigorous testing for fit, function, and material integrity. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult product documentation or Timken directly for warranty terms applicable to this part number.