Timken HA590006 Wheel Bearing and Hub Assembly - Front Right

Timken Wheel Bearing and Hub Assembly for Pontiac GTO

The Timken HA590006 wheel bearing and hub assembly is engineered for precise fitment and reliable performance on Pontiac GTO models. Designed as a non-driven hub, this assembly ensures proper alignment and smooth wheel rotation, critical for vehicle safety and handling.

• Flange bolt hole quantity: 3 for secure mounting
• Wheel pilot diameter: 2.736 inches (69.5 mm) for accurate wheel centering
• Brake pilot diameter: 2.815 inches (71.5 mm) to support brake component alignment
• Five wheel studs for stable wheel attachment
• Hub pilot diameter: 2.992 inches (76 mm) ensuring precise hub fit
• Flange offset: 1.693 inches (43 mm) to maintain correct wheel positioning
• Flange diameter: 140 mm (5.512 inches) for compatibility with OEM components
• Bolt circle diameter: 120 mm (4.724 inches) matching factory specifications

Detailed Product Description

The Timken HA590006 wheel bearing and hub assembly is specifically designed for the Pontiac GTO, providing a direct replacement that meets original equipment specifications. This non-driven hub assembly features a flange with three bolt holes and five wheel studs, ensuring a secure and stable connection to the vehicle’s suspension and wheel. The precise wheel pilot diameter of 2.736 inches (69.5 mm) and brake pilot diameter of 2.815 inches (71.5 mm) facilitate proper centering of the wheel and brake components, reducing vibration and uneven wear. The hub pilot diameter of 2.992 inches (76 mm) and flange offset of 1.693 inches (43 mm) maintain the correct positioning of the wheel relative to the axle, which is essential for optimal handling and tire wear. The flange diameter and bolt circle diameter conform to factory dimensions, ensuring compatibility with OEM wheels and brake rotors.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or rough rotation
• Fixes wheel play or looseness due to hub assembly wear
• Addresses uneven tire wear related to improper wheel alignment
• Resolves brake rotor misalignment issues affecting braking performance
• Eliminates vibration or wobble during driving caused by faulty hub components

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before installation
• Clean mounting surfaces to remove rust and debris for proper fitment
• Torque flange bolts and wheel studs to manufacturer specifications
• Inspect related suspension and brake components during installation
• Verify wheel and brake rotor alignment after assembly

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet strict quality standards, ensuring durability and reliable performance. The HA590006 part number undergoes rigorous testing to comply with OEM specifications for the Pontiac GTO. This product is backed by Timken’s limited warranty against defects in materials and workmanship, providing confidence in long-term use.