Timken HA590071 Wheel Bearing and Hub Assembly - Front

Timken HA590071 Wheel Bearing and Hub Assembly Overview

The Timken HA590071 wheel bearing and hub assembly is engineered for reliable driveline performance in Chevrolet and Pontiac vehicles. Designed specifically for models like the Chevrolet Malibu and Pontiac G6, this assembly ensures precise fitment and durability.

• 30 spline quantity for secure axle engagement
• 3 flange bolt holes with a 110 mm (4.331 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 64.97 mm (2.558 inches) for accurate wheel alignment
• Brake pilot diameter of 65.45 mm (2.577 inches) to support brake component fitment
• Hub pilot diameter of 90 mm (3.543 inches) for proper hub centering
• Flange diameter of 137 mm (5.394 inches) with a flange offset of 39 mm (1.535 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken HA590071 wheel bearing and hub assembly is a critical component in the driveline and axles category, specifically designed for the Chevrolet Malibu and Pontiac G6. This assembly features a 30-spline axle interface, ensuring a secure connection to the drivetrain. The 3-bolt flange with a 110 mm bolt circle diameter and 5 wheel studs provide a stable mounting surface for wheels, supporting safe and consistent vehicle operation. The precise wheel pilot diameter of 64.97 mm and brake pilot diameter of 65.45 mm facilitate proper alignment of wheels and brake components, reducing vibration and wear. The hub pilot diameter of 90 mm centers the hub accurately on the axle, while the flange offset of 39 mm maintains correct positioning relative to the suspension and brake system. This assembly is intended for driven axles, making it suitable for front or rear-wheel drive configurations on compatible Chevrolet and Pontiac models.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Malibu and Pontiac G6
• Eliminates wheel vibration and noise caused by bearing wear
• Restores proper wheel alignment and brake component fitment
• Addresses issues with uneven tire wear due to hub misalignment
• Prevents axle spline damage by ensuring secure drivetrain connection

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet Malibu and Pontiac G6 models before installation
• Ensure proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle splines for damage prior to assembly
• Use appropriate tools to maintain flange and hub pilot diameters during installation
• Check for smooth rotation and absence of play after installation

Quality Assurance and Warranty

Timken manufactures the HA590071 wheel bearing and hub assembly to meet OEM standards for fit, form, and function. Each unit undergoes rigorous quality control to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.