Timken HA590519 Wheel Bearing and Hub Assembly - Rear

Overview of Timken HA590519 Wheel Bearing and Hub Assembly

The Timken HA590519 wheel bearing and hub assembly is engineered for reliable performance in Scion and Toyota vehicles, specifically the 86, FR-S, and GR86 models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your driveline system.

• 27 spline quantity for secure drivetrain connection
• 4 flange bolt holes and 5 wheel studs for stable mounting
• Wheel pilot diameter of 2.203 inches (55.96 mm) for accurate wheel alignment
• Brake pilot diameter of 2.281 inches (57.94 mm) to support brake component fitment
• Hub pilot diameter of 3.306 inches (83.97 mm) for precise hub centering
• Driven type assembly designed for optimal power transfer
• Flange offset of 2.621 inches (66.57 mm) and flange diameter of 4.88 inches (123.95 mm) for correct positioning
• Bolt circle diameter of 3.928 inches (99.77 mm) matching OEM specifications

Detailed Product Description

The Timken HA590519 wheel bearing and hub assembly is a critical component in the driveline and axle system of Scion 86, Toyota FR-S, and Toyota GR86 vehicles. This assembly features a 27-spline driven design that ensures efficient torque transfer from the drivetrain to the wheels. The 4 flange bolt holes and 5 wheel studs provide a secure and stable mounting platform, maintaining wheel integrity under various driving conditions.

Precision measurements such as the 2.203-inch wheel pilot diameter and 2.281-inch brake pilot diameter ensure compatibility with OEM wheels and brake components, reducing the risk of vibration or misalignment. The hub pilot diameter of 3.306 inches centers the hub accurately on the axle, contributing to smooth wheel rotation and extended bearing life. Additionally, the flange offset and diameter are engineered to maintain proper wheel positioning relative to the suspension and brake system.

Common Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Scion 86, Toyota FR-S, and GR86
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Resolves noise issues such as humming or grinding from faulty bearings
• Restores proper wheel alignment and brake component fitment
• Addresses uneven tire wear related to hub assembly defects

Installation Notes and Tips

When installing the Timken HA590519 assembly, ensure the vehicle is securely lifted and supported. Verify that the spline count and bolt pattern match the vehicle specifications. Clean the mounting surfaces thoroughly to prevent contamination and ensure proper seating. Torque all flange bolts and wheel studs to manufacturer specifications to maintain safety and performance. It is recommended to inspect related components such as axle shafts and brake parts during installation.

Quality Assurance and Warranty

Timken is recognized for manufacturing precision-engineered driveline components. The HA590519 wheel bearing and hub assembly is produced to meet strict quality standards, ensuring durability and reliable operation. While specific warranty details are not provided here, Timken products typically come with a limited warranty against defects in materials and workmanship. Consult Timken or your parts provider for exact warranty terms.