Timken HA590067 Wheel Bearing and Hub Assembly - Rear

Timken HA590067 Wheel Bearing and Hub Assembly Overview

The Timken HA590067 wheel bearing and hub assembly is engineered for reliable performance in select Chevrolet, Pontiac, and Saturn vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for models including the Chevrolet Cobalt, Pontiac G5, and Saturn Ion.

• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 2.224 inches (56.49 mm)
• Brake pilot diameter: 2.243 inches (56.96 mm)
• Wheel stud quantity: 4 for proper wheel attachment
• Hub pilot diameter: 2.362 inches (60.00 mm)
• Flange offset: 3.085 inches (78.35 mm)
• Flange diameter: 5.512 inches (140.00 mm)
• Bolt circle diameter: 3.937 inches (100.00 mm)
• Drive type: Non-driven hub assembly

Technical Details and Specifications

The Timken HA590067 is a wheel bearing and hub assembly designed to meet the exact specifications required for proper fitment on Chevrolet Cobalt, Pontiac G5, and Saturn Ion vehicles. The assembly features a flange with four bolt holes and a bolt circle diameter of 100 mm (3.937 inches), ensuring compatibility with the vehicle’s wheel mounting system. The wheel pilot diameter measures 2.224 inches (56.49 mm), while the brake pilot diameter is slightly larger at 2.243 inches (56.96 mm), providing precise alignment for brake components. The hub pilot diameter of 2.362 inches (60.00 mm) supports the hub’s secure seating on the axle. With a flange offset of 3.085 inches (78.35 mm) and a flange diameter of 5.512 inches (140.00 mm), this assembly maintains proper wheel positioning and clearance. The four wheel studs provide stable wheel attachment, and the non-driven design suits front or rear axle applications where the hub does not transmit power.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on Chevrolet Cobalt, Pontiac G5, and Saturn Ion
• Addresses wheel vibration or noise caused by bearing wear
• Corrects wheel alignment issues related to hub damage
• Resolves brake rotor misalignment due to hub pilot wear
• Prevents premature tire wear from hub assembly failure

Installation Notes and Tips

Installation of the Timken HA590067 requires proper tools and adherence to vehicle-specific torque specifications. Ensure the hub pilot and flange surfaces are clean and free of debris before installation. Use a calibrated torque wrench to tighten the flange bolts evenly to the manufacturer’s recommended torque values. Verify that the wheel studs are properly seated and that the assembly rotates smoothly without binding. It is recommended to inspect related components such as axle shafts and brake rotors during installation for any signs of wear or damage.

Quality Assurance and Warranty

Timken manufactures the HA590067 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. The product undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Timken typically offers a limited warranty covering defects in materials and workmanship. Refer to Timken’s official documentation for complete warranty information.