Timken HA590390 Wheel Bearing and Hub Assembly - Rear

Timken HA590390 Wheel Bearing and Hub Assembly Overview

The Timken HA590390 wheel bearing and hub assembly is engineered for reliable driveline performance in select Cadillac and Chevrolet vehicles. Designed specifically for models like the Corvette and XLR, this assembly ensures precise fitment and durability for driven wheels.

• 30 spline quantity for secure drivetrain engagement
• 5 wheel studs for stable wheel mounting
• 3 flange bolt holes for proper flange attachment
• Wheel pilot diameters of 72.41 mm and 2.85 inches for accurate wheel alignment
• Brake pilot diameters of 3.079 inches and 78.2 mm to support brake component fitment
• Hub pilot diameters of 3.192 inches and 81.08 mm for precise hub positioning
• Flange diameter measurements of 145.5 mm and 5.728 inches for compatibility with OEM components
• Flange offset values of 1.671 inches and 42.45 mm to maintain correct wheel offset
• Designed for driven axle applications

Detailed Product Description

The Timken HA590390 wheel bearing and hub assembly is a critical component in the driveline system of Cadillac and Chevrolet vehicles, including the Corvette and XLR models. This assembly features a 30-spline design that ensures a secure connection to the drivetrain, supporting efficient power transfer to the wheels. With five wheel studs and three flange bolt holes, it provides a stable and reliable mounting surface for wheels and brake components.

Precision measurements such as the wheel pilot diameters (72.41 mm and 2.85 inches) and brake pilot diameters (3.079 inches and 78.2 mm) help maintain proper alignment and fitment of wheels and brakes. The hub pilot diameters (3.192 inches and 81.08 mm) ensure the hub is correctly centered, reducing vibration and wear. Flange diameter and offset values are engineered to match OEM specifications, preserving the vehicle’s handling characteristics and wheel positioning.

Common Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Cadillac Corvette and Chevrolet XLR
• Eliminates wheel vibration caused by hub misalignment or bearing wear
• Resolves noise issues such as humming or grinding from faulty bearings
• Restores proper wheel mounting and brake component alignment
• Addresses driveline engagement problems related to spline wear or damage

Installation Notes and Tips

• Ensure compatibility with your specific Cadillac Corvette or Chevrolet XLR model year before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect related components such as axle shafts and brake rotors during installation
• Clean mounting surfaces thoroughly to ensure accurate fitment and prevent contamination
• Professional installation is recommended to maintain driveline integrity and safety

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for precision engineering and durability. The HA590390 wheel bearing and hub assembly undergoes rigorous quality control to meet OEM standards. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Consult product documentation or Timken directly for exact warranty terms.