Timken HA590539 Wheel Bearing and Hub Assembly - Front

Timken HA590539 Wheel Bearing and Hub Assembly Overview

The Timken HA590539 wheel bearing and hub assembly is engineered for precise fitment on select BMW models, including the 228i, 330i, and 440i Gran Coupe. Designed as a non-driven hub, this assembly ensures reliable wheel support and smooth rotation for your vehicle's driveline system.

• Compatible with multiple BMW models such as 320i, 335i, M240i, and ActiveHybrid 3
• Features 5 wheel studs and 4 flange bolt holes for secure mounting
• Wheel pilot diameter measures 2.853 inches (72.47 mm) for accurate wheel alignment
• Brake pilot diameter of 3.107 inches (78.92 mm) supports proper brake rotor fitment
• Hub pilot diameter of 3.538 inches (89.87 mm) ensures precise hub centering
• Flange diameter of 5.784 inches (146.91 mm) with a bolt circle diameter of 4.721 inches (119.91 mm)
• Flange offset of 2.008 inches (51.00 mm) designed for optimal wheel positioning

Detailed Product Description

The Timken HA590539 wheel bearing and hub assembly is a critical component in the driveline and axles category, specifically designed for non-driven wheel applications on BMW vehicles. This assembly integrates a robust hub with a precision-engineered bearing to provide stable wheel rotation and support. The 5-wheel stud configuration and 4 flange bolt holes ensure a secure and reliable connection to the vehicle’s suspension and brake system. The carefully measured wheel pilot diameter of 2.853 inches (72.47 mm) and brake pilot diameter of 3.107 inches (78.92 mm) facilitate proper wheel and rotor alignment, reducing vibration and uneven wear. Additionally, the hub pilot diameter of 3.538 inches (89.87 mm) centers the hub accurately on the axle, contributing to overall driveline stability.

Compatible BMW Models and Applications

This wheel bearing and hub assembly is compatible with a range of BMW models, including but not limited to the 228i, 230i, 320i, 328d, 328i, 330e, 330i, 335i, 340i, 428i, 428i Gran Coupe, 430i, 430i Gran Coupe, 435i, 435i Gran Coupe, 440i, 440i Gran Coupe, ActiveHybrid 3, M235i, and M240i. It is designed for non-driven wheels, making it suitable for front or rear hub replacement depending on the vehicle’s drivetrain configuration.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel vibration and wobble due to hub misalignment
• Prevents uneven brake rotor wear by maintaining proper brake pilot fit
• Restores secure wheel mounting with correct flange bolt hole and stud configuration
• Improves overall driveline stability and safety

Installation Notes and Tips

When installing the Timken HA590539 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Verify the flange bolt hole quantity and wheel stud count match the vehicle specifications. Clean the hub mounting surface thoroughly before installation to prevent contamination. Torque all bolts to manufacturer specifications to maintain proper flange offset and alignment. It is recommended to inspect related suspension and brake components during installation for optimal performance.

Quality Assurance and Warranty

Timken manufactures the HA590539 assembly to meet strict quality standards, ensuring durability and reliable performance. This part is backed by Timken’s limited warranty, covering defects in materials and workmanship under normal use. For detailed warranty terms, refer to Timken’s official documentation.