Timken HA590540 Wheel Bearing and Hub Assembly - Front

Timken HA590540 Wheel Bearing and Hub Assembly Overview

The Timken HA590540 wheel bearing and hub assembly is engineered for precise fitment on select BMW xDrive models. Designed to meet OEM specifications, this non-driven hub assembly ensures reliable performance and durability for your vehicle's driveline system.

• Compatible with BMW 228i xDrive, 320i xDrive, 328d xDrive, 328i GT xDrive, 328i xDrive, 335i GT xDrive, 335i xDrive, 340i xDrive, 428i xDrive, 428i xDrive Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, and M235i xDrive
• Flange bolt hole quantity: 4 for secure mounting
• Wheel stud quantity: 5 for proper wheel attachment
• Wheel pilot diameters: 2.853 inches (72.47 mm) and brake pilot diameters: 3.107 inches (78.92 mm)
• Hub pilot diameter: 3.540 inches (89.92 mm) for accurate hub alignment
• Flange offset: 2.014 inches (51.16 mm) and flange diameter: 5.785 inches (146.94 mm)
• Bolt circle diameter: 4.720 inches (120.00 mm) ensuring compatibility with OEM wheel patterns
• Non-driven drive type suitable for rear or front axle applications depending on vehicle configuration

Technical Details and Specifications

The Timken HA590540 assembly features a flange with four bolt holes and five wheel studs, designed to match the wheel and brake pilot diameters precisely. The dual measurement of wheel pilot diameter (2.853 inches and 72.47 mm) and brake pilot diameter (3.107 inches and 78.92 mm) ensures a secure fit between the hub and brake components. The hub pilot diameter of 3.540 inches (89.92 mm) provides proper centering of the hub on the axle shaft. Flange offset and diameter measurements are critical for maintaining correct wheel positioning and alignment, which helps prevent premature tire wear and suspension issues.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on compatible BMW xDrive models
• Addresses wheel vibration or noise caused by faulty bearings
• Corrects wheel alignment issues related to hub wear
• Prevents brake rotor misalignment by maintaining proper brake pilot diameter
• Restores secure wheel mounting to prevent looseness or wobble

Installation Notes and Tips

Installation of the Timken HA590540 requires proper tools and adherence to manufacturer torque specifications. Ensure the hub pilot diameter aligns correctly with the axle shaft to avoid installation issues. Verify that the flange bolt holes and wheel studs match the vehicle’s wheel and brake components. It is recommended to inspect related suspension and brake parts during installation for optimal performance.

Quality Assurance and Warranty

Timken is a recognized manufacturer of driveline components, known for meeting stringent quality standards. The HA590540 wheel bearing and hub assembly is manufactured to OEM specifications to ensure durability and reliable operation. This part typically comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.