Timken HA590040 Wheel Bearing and Hub Assembly - Rear

Timken HA590040 Wheel Bearing and Hub Assembly Overview

The Timken HA590040 wheel bearing and hub assembly is engineered for reliable performance in select Pontiac, Scion, and Toyota vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for models including the Toyota Corolla, Prius, Celica, Matrix, tC, and Pontiac Vibe.

• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 2.126 inches (54.00 mm)
• Brake pilot diameter: 2.165 inches (55.00 mm)
• Wheel stud quantity: 5 for optimal wheel attachment
• Hub pilot diameter: 2.913 inches (74.00 mm)
• Flange offset: 2.166 inches (54.50 mm)
• Flange diameter: 5.315 inches (135.00 mm)
• Bolt circle diameter: 3.937 inches (100.00 mm)
• Drive type: Non-driven hub assembly

Technical Details and Compatibility

This Timken HA590040 wheel bearing and hub assembly is designed to meet the exact specifications required for proper fit and function on compatible vehicles. The flange bolt hole quantity of 4 and 5 wheel studs provide a secure and stable connection to the wheel and brake components. The precise wheel pilot diameter of 2.126 inches and brake pilot diameter of 2.165 inches ensure proper alignment with the wheel and brake rotors, reducing vibration and wear. The hub pilot diameter of 2.913 inches supports the hub's centering on the axle, while the flange offset and diameter maintain correct positioning relative to the suspension and brake system.

Compatible Vehicles and Applications

This assembly is compatible with various models from Pontiac, Scion, and Toyota, including:

• Toyota Corolla
• Toyota Prius
• Toyota Celica
• Toyota Matrix
• Scion tC
• Pontiac Vibe

It is intended for use as a non-driven hub assembly, making it suitable for front or rear axle applications where the hub does not transmit drive torque.

Common Issues Addressed by This Hub Assembly

• Wheel bearing noise or roughness during rotation
• Excessive play or looseness in the wheel hub
• Vibration or wobbling felt through the steering wheel
• Uneven brake rotor wear due to misalignment
• Failed or damaged hub assembly components

Installation Notes and Tips

Proper installation of the Timken HA590040 wheel bearing and hub assembly requires attention to torque specifications and alignment. Ensure the flange bolt holes and wheel studs align correctly with the vehicle’s hub mounting points. Use a calibrated torque wrench to tighten bolts to manufacturer specifications to avoid premature wear or failure. It is recommended to inspect related suspension and brake components during installation for any signs of damage or wear.

Quality Assurance and Warranty

Timken is known for manufacturing precision-engineered driveline components. The HA590040 wheel bearing and hub assembly is produced to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Refer to Timken’s official documentation for exact warranty terms.