Timken HA590007 Wheel Bearing and Hub Assembly - Front Left

Timken HA590007 Wheel Bearing and Hub Assembly Overview

The Timken HA590007 wheel bearing and hub assembly is engineered for precise fitment on Pontiac GTO models. Designed as a non-driven hub, this assembly ensures reliable wheel support and smooth rotation, meeting the specific dimensional requirements of your vehicle.

• Flange bolt hole quantity: 3
• Wheel pilot diameter: 2.736 inches (69.50 mm)
• Brake pilot diameter: 2.815 inches (71.50 mm)
• Wheel stud quantity: 5
• Hub pilot diameter: 2.992 inches (76.00 mm)
• Flange offset: 1.693 inches (43.00 mm)
• Flange diameter: 5.512 inches (140.00 mm)
• Bolt circle diameter: 4.724 inches (120.00 mm)
• Drive type: Non-driven

Technical Details and Specifications

This Timken wheel bearing and hub assembly (part number HA590007) is designed to meet the exact specifications required for the Pontiac GTO. The assembly features a 5-stud wheel configuration and a 3-hole flange bolt pattern, ensuring compatibility with the vehicle’s wheel and brake components. The precise pilot diameters for the wheel (2.736 inches) and brake (2.815 inches) provide accurate centering, which is critical for maintaining proper alignment and reducing vibration. The hub pilot diameter of 2.992 inches supports secure mounting to the axle flange, while the flange offset of 1.693 inches helps maintain correct wheel positioning relative to the suspension.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on Pontiac GTO
• Addresses wheel vibration and noise caused by bearing wear
• Restores proper wheel alignment and brake rotor positioning
• Eliminates excessive play or looseness in the wheel hub
• Supports safe and stable vehicle handling

Installation Notes and Tips

When installing the Timken HA590007 wheel bearing and hub assembly, ensure the mounting surface is clean and free of debris. Use the correct torque specifications for the 3 flange bolts and 5 wheel studs to avoid over-tightening or under-tightening. Verify that the pilot diameters align properly with the wheel and brake components to prevent misalignment. It is recommended to inspect related suspension and brake parts during installation for wear or damage.

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for precision engineering and durability. The HA590007 wheel bearing and hub assembly undergoes rigorous quality control to meet OEM standards. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Refer to Timken’s official documentation for exact warranty terms.