Timken HA590064 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly for Toyota Prius

The Timken HA590064 wheel bearing and hub assembly is engineered for reliable driveline performance on Toyota Prius models. Designed to meet precise specifications, this assembly ensures proper fitment and smooth operation for your vehicle's driven wheels.

• Compatible with Toyota Prius driveline systems
• 26 spline quantity for secure shaft engagement
• 5 wheel studs with 4 flange bolt holes for stable mounting
• Wheel pilot diameter of 2.126 inches (54.00 mm) and brake pilot diameter of 2.165 inches (55.00 mm)
• Hub pilot diameter of 3.071 inches (78.00 mm) for accurate alignment
• Flange diameter of 4.921 inches (125.00 mm) and bolt circle diameter of 3.937 inches (100.00 mm)
• Flange offset of 1.654 inches (42.00 mm) to maintain proper wheel positioning

Detailed Product Description

The Timken HA590064 wheel bearing and hub assembly is specifically designed for the driven wheels of Toyota Prius vehicles. Featuring a 26-spline shaft interface, this assembly provides a secure connection to the axle shaft, ensuring efficient torque transfer. The assembly includes 5 wheel studs and 4 flange bolt holes, offering a robust mounting platform for the wheel and brake components.

Precision dimensions such as the wheel pilot diameter (2.126 inches / 54.00 mm) and brake pilot diameter (2.165 inches / 55.00 mm) help maintain proper centering of the wheel and brake rotor. The hub pilot diameter of 3.071 inches (78.00 mm) ensures accurate hub alignment with the vehicle’s axle. Additionally, the flange diameter and bolt circle diameter are engineered to match Toyota Prius specifications, supporting secure and stable wheel attachment.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Toyota Prius
• Eliminates wheel vibration caused by bearing wear
• Resolves noise issues such as humming or grinding from the wheel area
• Restores proper wheel alignment and reduces uneven tire wear
• Addresses ABS sensor malfunctions related to hub assembly failure

Installation Notes and Tips

When installing the Timken HA590064 assembly, ensure the vehicle is securely lifted and supported. Remove the wheel and brake components carefully to access the hub assembly. Verify spline count and pilot diameters match the vehicle specifications before installation. Use proper torque specifications on flange bolts and wheel studs to avoid premature wear or failure. It is recommended to inspect related components such as axle shafts and brake rotors during replacement.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet OEM standards for durability and performance. The HA590064 part number undergoes rigorous quality control to ensure precise fit and function on Toyota Prius models. Timken typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product’s reliability.