Timken HA590498 Wheel Bearing and Hub Assembly - Front

Timken HA590498 Wheel Bearing and Hub Assembly Overview

The Timken HA590498 wheel bearing and hub assembly is engineered for reliable driveline performance on Toyota Corolla models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle system.

• Compatible with Toyota Corolla vehicles
• 26 spline quantity for secure axle engagement
• Wheel pilot diameter options: 53.85 mm and 2.12 inches
• Brake pilot diameters: 2.16 inches and 54.86 mm
• 4 wheel studs for stable wheel mounting
• Flange diameters of 124.97 mm and 4.92 inches
• Bolt circle diameters of 3.74 inches and 95 mm
• Designed for driven axle applications

Technical Details and Specifications

The Timken HA590498 wheel bearing and hub assembly features a 26-spline design that ensures a secure connection to the axle shaft, providing consistent torque transfer and minimizing wear. The assembly includes dual wheel pilot diameters (53.85 mm and 2.12 inches) and brake pilot diameters (2.16 inches and 54.86 mm), accommodating precise alignment with the brake components and wheel hub. Four wheel studs provide a stable mounting platform for the wheel, while flange diameters of 124.97 mm and 4.92 inches support proper wheel fitment. The bolt circle diameters of 3.74 inches and 95 mm correspond to the wheel mounting pattern, ensuring compatibility with Toyota Corolla wheels. This assembly is specifically designed for driven axle applications, making it suitable for the rear or front driven wheels depending on the vehicle configuration.

Common Applications and Problem Resolution

This wheel bearing and hub assembly is used primarily in Toyota Corolla models to maintain driveline integrity and wheel stability. It addresses several common issues including:

• Eliminating wheel bearing noise caused by wear or damage
• Resolving wheel vibration or wobble during driving
• Correcting uneven brake rotor wear due to improper hub alignment
• Preventing axle shaft slippage with the 26-spline secure fit
• Ensuring proper wheel mounting and torque distribution

Installation Notes and Tips

When installing the Timken HA590498 assembly, ensure the vehicle is securely lifted and supported. Verify the spline count and pilot diameters match the vehicle specifications. Use proper torque settings on the wheel studs and bolts to avoid premature wear or loosening. It is recommended to inspect related components such as axle shafts and brake rotors for wear or damage during installation. Proper lubrication and cleanliness of mating surfaces will help extend the service life of the assembly.

Quality Assurance and Warranty Information

Timken manufactures the HA590498 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult the product documentation or Timken directly for exact warranty terms applicable to this part number.