Timken HA590119 Wheel Bearing and Hub Assembly - Rear

Timken HA590119 Wheel Bearing and Hub Assembly Overview

The Timken HA590119 wheel bearing and hub assembly is engineered for reliable performance in Subaru Legacy and Outback models. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for your vehicle's driveline system.

• 25 spline quantity for secure axle engagement
• 4 flange bolt holes with a 124.05 mm flange diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 56.03 mm and brake pilot diameter of 57.98 mm
• Flange offset of 65.60 mm for accurate positioning
• Bolt circle diameter of 99.93 mm for proper bolt alignment

Technical Specifications and Compatibility

This Timken wheel bearing and hub assembly (part number HA590119) is specifically designed for driven axles in Subaru Legacy and Outback vehicles. The assembly features a 25 spline count, which matches the axle shaft for secure torque transfer. The flange includes 4 bolt holes spaced on a 99.93 mm bolt circle diameter, with a flange diameter of 124.05 mm, ensuring compatibility with the vehicle’s wheel and brake components. The wheel pilot diameter measures 56.03 mm, while the brake pilot diameter is 57.98 mm, providing precise centering for both wheel and brake rotor installation. Additionally, the hub pilot diameter of 83.98 mm supports proper hub alignment, and the 5 wheel studs accommodate standard lug nuts for wheel attachment.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings in Subaru Legacy and Outback models
• Eliminates wheel noise caused by bearing wear or failure
• Resolves wheel vibration and uneven tire wear issues
• Restores proper wheel alignment and hub function
• Prevents potential axle shaft damage due to faulty hub assembly

Installation Notes and Tips

When installing the Timken HA590119 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Clean the mounting surface thoroughly before installation to avoid misalignment. Torque the flange bolts to manufacturer specifications to maintain proper flange offset and prevent premature wear. Verify spline engagement between the axle shaft and hub assembly for a secure fit. It is recommended to inspect related components such as wheel studs and brake rotors during installation.

Quality Assurance and Warranty

Timken manufactures the HA590119 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part undergoes rigorous testing to comply with OEM specifications for Subaru Legacy and Outback vehicles. 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.