Timken HA590198 Wheel Bearing and Hub Assembly - Front

Timken HA590198 Wheel Bearing and Hub Assembly Overview

The Timken HA590198 wheel bearing and hub assembly is engineered for reliable driveline performance on select Audi and Volkswagen models. Designed to meet precise specifications, this assembly ensures proper fit and function for vehicles like the Audi A3 and Volkswagen Golf GTI.

• 36 spline quantity for secure axle engagement
• 3 flange bolt holes with a 112.69 mm (4.437 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 57.00 mm (2.244 inches) for accurate wheel alignment
• Brake pilot diameter of 65.00 mm (2.555 inches) to support brake component fitment
• Hub pilot diameter of 80.00 mm (3.150 inches) for precise hub centering
• Flange diameter of 136.36 mm (5.369 inches) with a flange offset of 48.00 mm (1.890 inches)
• Designed for driven axle applications

Technical Details and Specifications

This Timken HA590198 wheel bearing and hub assembly is built to OEM standards, featuring a 36-spline driven design that matches the axle shaft for secure torque transfer. The 3-bolt flange with a 112.69 mm bolt circle diameter ensures compatibility with the wheel hub and brake components. The assembly includes 5 wheel studs, providing a stable and secure mounting surface for wheels on Audi A3, Volkswagen Golf, Golf City, GTI, R32, and Eos models. The wheel pilot diameter of 57.00 mm and brake pilot diameter of 65.00 mm help maintain proper alignment and reduce vibration, while the hub pilot diameter of 80.00 mm centers the hub precisely on the axle flange. The flange offset of 48.00 mm supports correct wheel positioning relative to the suspension and steering components.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with the following makes and models:

• Audi A3
• Volkswagen Eos
• Volkswagen Golf and Golf City
• Volkswagen GTI
• Volkswagen R32

It is specifically designed for driven axle applications, ensuring proper fitment and performance on these vehicles.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel wobble or vibration due to hub misalignment
• Prevents uneven tire wear from faulty hub centering
• Restores proper brake rotor alignment for consistent braking
• Fixes loose or damaged wheel studs affecting wheel security

Installation Notes and Tips

• Verify spline count and bolt pattern match your vehicle’s axle and hub
• Use proper torque specifications for flange bolts and wheel studs
• Inspect related components such as axle shafts and brake rotors during installation
• Ensure the hub pilot diameter seats fully to avoid vibration issues
• Professional installation is recommended for accurate fit and safety

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM quality standards. The HA590198 part number undergoes rigorous testing to ensure durability and performance under normal operating conditions. This product typically includes a limited warranty covering defects in materials and workmanship. Refer to Timken’s official warranty documentation for specific terms and coverage details.