Timken HA590146 Wheel Bearing and Hub Assembly - Rear

Timken HA590146 Wheel Bearing and Hub Assembly Overview

The Timken HA590146 wheel bearing and hub assembly is engineered for reliable driveline performance in Acura RL and TL models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's front or rear driven wheels.

• 28 spline quantity for secure axle engagement
• 4 flange bolt holes for stable mounting
• 5 wheel studs for reliable wheel attachment
• Wheel pilot diameters of 2.520 inches (64.00 mm) and brake pilot diameters of 2.756 inches (70.00 mm)
• Hub pilot diameters of 3.213 inches (81.60 mm) for accurate hub alignment
• Flange offset of 2.398 inches (60.90 mm) and flange diameter of 152.50 mm (6.004 inches)
• Bolt circle diameter of 120.00 mm (4.724 inches) for precise bolt pattern compatibility
• Designed for driven axle applications

Technical Details and Specifications

This Timken HA590146 wheel bearing and hub assembly is specifically designed for Acura RL and TL vehicles, ensuring compatibility with their driveline systems. The 28-spline design provides a secure connection to the axle shaft, while the 4 flange bolt holes and 5 wheel studs offer a stable and secure mounting surface for the wheel. The dual measurements for wheel pilot diameter and brake pilot diameter accommodate precise fitment with the vehicle’s brake and wheel components. Additionally, the hub pilot diameter and flange offset are engineered to maintain proper alignment and load distribution, which is critical for vehicle handling and safety.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Acura RL and TL
• Eliminates wheel vibration caused by bearing wear
• Resolves noise issues such as humming or grinding from the wheel area
• Corrects wheel alignment problems related to hub wear
• Restores proper flange offset to maintain suspension geometry

Installation Notes and Tips

When installing the Timken HA590146 assembly, ensure the vehicle is securely lifted and supported. Remove the old hub assembly carefully to avoid damage to surrounding components. Verify the spline count and bolt pattern match the vehicle specifications before installation. Torque all flange bolts and wheel studs to manufacturer-recommended specifications. It is advisable to inspect related components such as axle shafts and brake rotors during installation for wear or damage.

Quality Assurance and Warranty

Timken manufactures the HA590146 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and performance. This part is backed by Timken’s limited warranty, which covers defects in materials and workmanship under normal use. For specific warranty details, refer to Timken’s official documentation.