Timken HA590393 Wheel Bearing and Hub Assembly - Front or Rear

Timken HA590393 Wheel Bearing and Hub Assembly Overview

The Timken HA590393 wheel bearing and hub assembly is engineered for reliable performance in select Cadillac and Saab vehicles. Designed specifically for the Cadillac SRX and Saab 9-4X, this driven hub assembly ensures precise fitment and durability for your driveline system.

• 30 spline quantity for secure axle engagement
• 6 wheel studs for stable wheel mounting
• 3 flange bolt holes with a 120 mm bolt circle diameter
• Wheel pilot diameter of 66.85 mm (2.632 inches) for accurate wheel alignment
• Brake pilot diameter of 67.00 mm (2.638 inches) to support brake component fitment
• Hub pilot diameter of 91.20 mm (3.590 inches) for proper hub centering
• Flange diameter of 156.95 mm (6.179 inches) with a flange offset of 42.00 mm (1.654 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken HA590393 is a wheel bearing and hub assembly tailored for the Cadillac SRX and Saab 9-4X models. This assembly features a 30-spline driven design that ensures a secure connection to the axle shaft. The 6-wheel stud configuration provides a stable mounting surface for wheels, while the 3 flange bolt holes with a 120 mm bolt circle diameter allow for precise attachment to the vehicle’s hub. The wheel pilot diameter of 66.85 mm and brake pilot diameter of 67.00 mm ensure proper centering of wheels and brake components, reducing vibration and improving overall vehicle stability. Additionally, the hub pilot diameter of 91.20 mm supports accurate hub alignment, which is critical for driveline performance. The flange offset of 42.00 mm helps maintain correct wheel positioning relative to the suspension and steering components.

Common Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Cadillac SRX and Saab 9-4X
• Eliminates wheel vibration caused by hub misalignment
• Resolves noise issues related to failing wheel bearings
• Restores proper wheel mounting and brake component alignment
• Addresses axle spline wear affecting driveline engagement

Installation Notes and Tips

• Ensure compatibility with Cadillac SRX and Saab 9-4X models before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle splines and surrounding components for damage prior to assembly
• Clean mounting surfaces thoroughly to ensure accurate fitment and prevent contamination
• Professional installation is recommended to maintain vehicle safety and performance

Quality Assurance and Warranty

Timken manufactures the HA590393 wheel bearing and hub assembly to meet strict quality standards for durability and performance. This part is engineered to OEM specifications to ensure reliable operation in Cadillac SRX and Saab 9-4X vehicles. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Refer to Timken’s official warranty documentation for precise terms.