Timken HA590264 Wheel Bearing and Hub Assembly - Rear

Timken HA590264 Wheel Bearing and Hub Assembly Overview

The Timken HA590264 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet, Pontiac, Saturn, and Suzuki vehicles. Designed to meet precise specifications, this assembly ensures proper fitment and durability for models like the Chevrolet Equinox, Pontiac Torrent, Saturn Vue, and Suzuki XL-7.

• 30 spline quantity for secure drivetrain engagement
• 5 wheel studs with a 114.30 mm (4.5 inch) bolt circle diameter
• 4 flange bolt holes with a flange diameter of 151.00 mm (5.945 inches)
• Wheel pilot diameter of 70.00 mm (2.756 inches) for accurate wheel alignment
• Brake pilot diameter of 70.56 mm (2.778 inches) to support brake component fitment
• Hub pilot diameter of 83.92 mm (3.304 inches) for proper hub centering
• Flange offset of 64.78 mm (2.550 inches) to maintain correct wheel positioning
• Designed for driven axle applications

Technical Details and Specifications

The HA590264 assembly features a 30-spline driven design, ensuring compatibility with the specified vehicle drivetrains. The 5-lug wheel stud configuration with a 114.30 mm bolt circle diameter matches factory specifications for Chevrolet Captiva Sport, Equinox, Pontiac Torrent, Saturn Vue, and Suzuki XL-7 models. The flange includes 4 bolt holes and a diameter of 151.00 mm, providing a secure mounting surface. Precise pilot diameters for the wheel (70.00 mm) and brake components (70.56 mm) help maintain proper alignment and reduce vibration. The hub pilot diameter of 83.92 mm centers the hub accurately on the axle, while the flange offset of 64.78 mm ensures correct wheel positioning relative to the suspension and brake system.

Compatible Vehicles and Applications

This Timken wheel bearing and hub assembly is compatible with the following makes and models:

• Chevrolet Captiva Sport
• Chevrolet Equinox
• Pontiac Torrent
• Saturn Vue
• Suzuki XL-7

It is designed specifically for driven axle applications, making it suitable for front or rear wheel drive configurations depending on the vehicle.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel wobble or vibration due to hub misalignment
• Prevents uneven tire wear from improper wheel positioning
• Restores proper brake rotor alignment to reduce brake pulsation
• Fixes loose or damaged wheel studs for secure wheel mounting

Installation Notes and Tips

• Verify vehicle compatibility using make, model, and year before installation
• Ensure the hub pilot diameter matches the axle hub for proper centering
• Torque flange bolts and wheel studs to manufacturer specifications
• Inspect related components such as brake rotors and suspension parts during installation
• Use appropriate tools to avoid damage to the bearing assembly during installation

Quality Assurance and Warranty

Timken manufactures the HA590264 assembly to meet OEM standards for durability and performance. Each unit undergoes rigorous quality control to ensure precise fit and function. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship. Consult Timken documentation or authorized distributors for detailed warranty information.