Timken HA590069 Wheel Bearing and Hub Assembly - Front

Timken HA590069 Wheel Bearing and Hub Assembly Overview

The Timken HA590069 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet, Pontiac, and Saturn vehicles. Designed to meet precise specifications, this assembly ensures proper fit and function for models 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 assembly designed for direct power transfer
• Flange offset measurements of 1.533 inches and 38.95 mm to maintain proper wheel offset
• Flange diameter of 132.13 mm (5.202 inches) and bolt circle diameter of 100.00 mm (3.937 inches) for compatibility with OEM specifications

Technical Details and Compatibility

The Timken HA590069 wheel bearing and hub assembly is specifically designed for driven axle applications on Chevrolet Cobalt, Pontiac G5, and Saturn Ion models. The 33 spline count ensures compatibility with the vehicle’s drivetrain, while the flange bolt hole quantity and wheel stud count provide secure attachment points. The dual measurements for wheel pilot, brake pilot, hub pilot, flange offset, flange diameter, and bolt circle diameter reflect precise engineering to match OEM dimensions, ensuring proper fit and function.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or vibration
• Restores proper wheel alignment and reduces uneven tire wear
• Addresses hub assembly failures that affect vehicle handling and safety
• Eliminates wheel play and improves driveline stability
• Supports brake system integrity by maintaining correct brake pilot dimensions

Installation Notes and Tips

Installation of the Timken HA590069 requires proper tools and adherence to manufacturer torque specifications. Ensure the hub pilot diameters and flange bolt holes align correctly with the vehicle’s axle and brake components. It is recommended to inspect related components such as axle shafts and brake rotors during installation. Proper lubrication and clean mounting surfaces will help achieve optimal performance and longevity.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet stringent quality standards. The HA590069 part number undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Chevrolet Cobalt, Pontiac G5, and Saturn Ion applications.