Timken HA590297 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly for Saturn Astra

The Timken HA590297 wheel bearing and hub assembly is engineered for precise fitment on Saturn Astra models. Designed as a non-driven hub, this component ensures reliable wheel alignment and smooth rotation, critical for vehicle safety and performance.

• Wheel pilot diameter: 2.639 inches (67.02 mm)
• Brake pilot diameter: 2.835 inches (72 mm)
• Wheel stud quantity: 5
• Flange diameter: 5.5 inches (139.7 mm)
• Bolt circle diameter: 4.5 inches (114.3 mm)
• Drive type: Non-driven hub assembly

Detailed Product Description

This Timken HA590297 wheel bearing and hub assembly is specifically designed for the Saturn Astra, providing a precise match to the vehicle’s original specifications. The assembly features a wheel pilot diameter of 2.639 inches (67.02 mm) and a brake pilot diameter of 2.835 inches (72 mm), ensuring proper centering of the wheel and brake components. With five wheel studs and a flange diameter of 5.5 inches (139.7 mm), it offers secure mounting and compatibility with the Saturn Astra’s wheel setup. The bolt circle diameter measures 4.5 inches (114.3 mm), matching the factory bolt pattern for straightforward installation. As a non-driven hub, this assembly is intended for wheels that are not powered by the drivetrain but require stable rotation and load support.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings on Saturn Astra
• Eliminates wheel noise caused by bearing wear
• Restores proper wheel alignment and reduces vibration
• Addresses hub flange damage or corrosion
• Ensures secure wheel mounting with correct stud count and bolt pattern

Installation Notes and Tips

When installing the Timken HA590297 wheel bearing and hub assembly on a Saturn Astra, ensure the vehicle is securely lifted and supported. Clean the mounting surface thoroughly to remove rust or debris before installation. Torque the wheel studs and hub bolts to manufacturer specifications to maintain safety and performance. It is recommended to inspect related components such as brake rotors and calipers during installation for optimal results.

Quality Assurance and Warranty

Timken manufactures the HA590297 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliability in driveline and axle applications. Warranty coverage details should be confirmed with the point of purchase or Timken directly.