Timken HA590299 Wheel Bearing and Hub Assembly - Front

Timken HA590299 Wheel Bearing and Hub Assembly Overview

The Timken HA590299 wheel bearing and hub assembly is engineered for reliable performance in select Chevrolet and Pontiac vehicles. Designed specifically for non-driven axles, this component ensures proper wheel alignment and smooth rotation for models like the Chevrolet Caprice and Pontiac G8.

• Compatible with Chevrolet Caprice and Pontiac G8
• Non-driven axle application
• 5 wheel studs for secure wheel mounting
• 3 flange bolt holes for stable attachment
• Wheel pilot diameter of 2.630 inches (66.81 mm)
• Brake pilot diameter of 2.650 inches (67.31 mm)
• Hub pilot diameter of 3.583 inches (91.00 mm)
• Flange diameter measuring 5.689 inches (144.50 mm)
• Bolt circle diameter of 4.724 inches (120.00 mm)
• Flange offset of 1.654 inches (42.00 mm)

Detailed Specifications and Features

The Timken HA590299 assembly features a precise wheel pilot diameter of 2.630 inches (66.81 mm) and a brake pilot diameter of 2.650 inches (67.31 mm), ensuring accurate fitment and alignment with the vehicle’s braking components. The hub pilot diameter measures 3.583 inches (91.00 mm), providing a secure interface with the axle hub. This assembly includes five wheel studs and three flange bolt holes, designed to maintain wheel stability and safety under various driving conditions. The flange diameter of 5.689 inches (144.50 mm) and bolt circle diameter of 4.724 inches (120.00 mm) are engineered to match the specific requirements of the Chevrolet Caprice and Pontiac G8 models. The flange offset of 1.654 inches (42.00 mm) supports proper wheel positioning relative to the suspension and steering components.

Applications and Problem Resolution

This wheel bearing and hub assembly is intended for use on non-driven axles of Chevrolet Caprice and Pontiac G8 vehicles. It addresses several common issues, including:

• Excessive wheel play or looseness
• Unusual noises such as grinding or humming from the wheel area
• Uneven tire wear due to misalignment
• Vibration or wobbling during driving
• Brake rotor misalignment affecting braking performance

Installation Notes and Tips

When installing the Timken HA590299 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Clean the mounting surface thoroughly to remove any debris or corrosion. Align the flange bolt holes and wheel studs carefully to avoid cross-threading. Torque all fasteners to the manufacturer’s specifications to maintain proper fitment and safety. It is recommended to inspect related components such as wheel bearings and seals during installation for optimal performance.

Quality Assurance and Warranty

Timken manufactures the HA590299 assembly to meet strict quality standards, ensuring durability and reliable operation. The product undergoes rigorous testing to comply with OEM specifications for Chevrolet and Pontiac vehicles. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult the product documentation or Timken directly for precise warranty information.