Timken HA590068 Wheel Bearing and Hub Assembly - Front

Timken HA590068 Wheel Bearing and Hub Assembly Overview

The Timken HA590068 wheel bearing and hub assembly is engineered for reliable driveline performance on select Chevrolet, Pontiac, and Saturn models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for vehicles like the Chevrolet Cobalt, Pontiac G5, and Saturn Ion.

• 33 spline quantity for accurate drivetrain engagement
• 3 flange bolt holes and 4 wheel studs for secure mounting
• Wheel pilot diameters of 2.224 inches and 56.49 mm for precise wheel alignment
• Brake pilot diameters of 2.360 inches and 59.95 mm to support brake component fitment
• Hub pilot diameters of 3.346 inches and 85.00 mm for stable hub positioning
• Driven type design suitable for front-wheel drive applications
• Flange offset measurements of 1.533 inches and 38.95 mm to maintain proper wheel offset
• Flange diameter of 132.13 mm and bolt circle diameter of 100.00 mm for compatibility with OEM specifications

Detailed Product Description

The Timken HA590068 wheel bearing and hub assembly is a critical component in the driveline and axles category, specifically designed for wheel bearing and hub assembly replacement. This part features a 33 spline count that matches the drivetrain requirements of Chevrolet Cobalt, Pontiac G5, and Saturn Ion models. The assembly includes 3 flange bolt holes and 4 wheel studs, ensuring a secure and stable connection to the vehicle’s hub and wheel system.

With precise wheel pilot diameters of 2.224 inches and 56.49 mm, and brake pilot diameters of 2.360 inches and 59.95 mm, this assembly supports accurate wheel and brake rotor alignment. The hub pilot diameters of 3.346 inches and 85.00 mm provide a stable mounting surface, reducing vibration and enhancing driving stability. The driven type design is optimized for front-wheel drive vehicles, maintaining proper torque transfer and wheel rotation.

Common Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Cobalt, Pontiac G5, and Saturn Ion
• Eliminates wheel noise caused by bearing wear or failure
• Resolves wheel vibration and wobble issues
• Restores proper wheel alignment and brake rotor positioning
• Prevents premature tire wear due to hub misalignment

Installation Notes and Tips

• Ensure vehicle compatibility with Chevrolet Cobalt, Pontiac G5, or Saturn Ion before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect surrounding components such as CV joints and brake rotors during installation
• Clean mounting surfaces to ensure proper fit and prevent contamination
• Verify spline engagement and hub pilot seating for secure assembly

Quality Assurance and Warranty

Timken manufactures the HA590068 wheel bearing and hub assembly to meet OEM standards for durability and performance. This part undergoes rigorous quality control to ensure precise fitment and long service life. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the reliability of this component.