Timken HA590438 Wheel Bearing and Hub Assembly - Front

Timken HA590438 Wheel Bearing and Hub Assembly Overview

The Timken HA590438 wheel bearing and hub assembly is engineered for reliable performance in driveline and axle applications. Designed as a non-driven hub, this assembly features precise flange and pilot diameters to ensure proper fitment and function on compatible vehicles.

• Flange bolt hole quantity: 4 for secure mounting
• Wheel pilot diameter: 124.92 mm (4.918 inches)
• Brake pilot diameter: 128.85 mm (5.073 inches)
• Hub pilot diameter: 139.98 mm (5.511 inches)
• Wheel stud quantity: 10 for enhanced wheel attachment
• Flange offset: 46.10 mm (1.815 inches)
• Flange diameter: 203.10 mm (7.996 inches)
• Bolt circle diameter: 170.10 mm (6.697 inches)
• Drive type: Non-driven hub assembly

Detailed Product Description

The Timken HA590438 is a wheel bearing and hub assembly designed to meet the precise specifications required for certain vehicle makes and models. With a 10-stud wheel configuration and a 4-hole flange bolt pattern, this assembly provides a stable and secure connection between the wheel and axle. The multiple pilot diameters—wheel pilot at 124.92 mm, brake pilot at 128.85 mm, and hub pilot at 139.98 mm—ensure proper alignment and fitment, reducing vibration and wear. The flange offset of 46.10 mm helps maintain correct wheel positioning relative to the suspension and steering components.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies
• Eliminates wheel vibration and noise caused by bearing failure
• Restores proper wheel alignment and brake rotor positioning
• Addresses issues with loose or damaged wheel studs
• Prevents premature wear of tires and suspension components

Installation Notes and Tips

Ensure the vehicle is properly supported and the wheel is removed before installation. Verify that the flange bolt hole quantity and wheel stud count match the vehicle specifications. Clean the mounting surface to remove debris and corrosion for optimal fitment. Torque all bolts to manufacturer specifications to maintain safety and performance. This assembly is designed for non-driven axle applications; confirm compatibility with your vehicle's drivetrain configuration.

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for precision engineering and durability. The HA590438 wheel bearing and hub assembly is manufactured to meet or exceed OEM standards. While specific warranty details are not provided here, Timken products typically come with a limited warranty against defects in materials and workmanship. Consult Timken or your parts provider for exact warranty terms.