Timken HA590514 Wheel Bearing and Hub Assembly - Rear

Timken HA590514 Wheel Bearing and Hub Assembly Overview

The Timken HA590514 wheel bearing and hub assembly is engineered for reliable driveline performance in select Lexus models. Designed to meet precise specifications, this assembly ensures proper fit and function for vehicles such as the Lexus GS200t, GS300, GS350, GS450h, IS200t, IS250, IS300, IS350, RC200t, RC300, and RC350.

• 30 spline quantity for secure axle engagement
• 5 wheel studs for stable wheel mounting
• 4 flange bolt holes for secure attachment
• Wheel pilot diameter of 2.362 inches (59.99 mm) for accurate wheel centering
• Brake pilot diameter of 2.440 inches (61.98 mm) to ensure proper brake rotor alignment
• Hub pilot diameter of 3.306 inches (83.97 mm) for precise hub fitment
• Flange diameter of 6.071 inches (154.20 mm) and bolt circle diameter of 4.500 inches (114.30 mm)
• Flange offset of 2.666 inches (67.72 mm) to maintain correct wheel positioning
• Designed for driven axle applications

Detailed Product Description

The Timken HA590514 wheel bearing and hub assembly is a critical component in the driveline system, providing a secure mounting point for the wheel and enabling smooth rotation. With a spline count of 30, it ensures a tight connection to the axle shaft, reducing play and enhancing vehicle stability. The assembly features five wheel studs and four flange bolt holes, designed to match the factory specifications of compatible Lexus models. The precise wheel pilot diameter of 2.362 inches (59.99 mm) and brake pilot diameter of 2.440 inches (61.98 mm) help maintain proper alignment of the wheel and brake rotor, which is essential for safe braking performance. Additionally, the hub pilot diameter of 3.306 inches (83.97 mm) ensures the hub seats correctly on the axle, minimizing vibration and wear. The flange diameter and bolt circle diameter are engineered to fit the wheel and suspension components accurately, while the flange offset maintains the correct wheel positioning relative to the vehicle’s suspension geometry.

Compatible Lexus Models and Applications

• Replacement for wheel bearing and hub assembly issues on Lexus GS200t, GS300, GS350, GS450h
• Suitable for Lexus IS200t, IS250, IS300, IS350 requiring driven axle hub assemblies
• Fits Lexus RC200t, RC300, and RC350 models with matching specifications
• Addresses wheel vibration, noise, and hub wear concerns
• Restores proper wheel alignment and braking performance

Installation Notes and Tips

When installing the Timken HA590514 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Verify that the spline count and pilot diameters match the axle and wheel specifications. Clean the mounting surfaces thoroughly to prevent contamination and ensure a proper fit. Torque all flange bolts and wheel studs to manufacturer specifications to avoid premature wear or failure. It is recommended to inspect related components such as brake rotors and suspension parts during installation.

Quality Assurance and Warranty

Timken manufactures the HA590514 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Timken products typically come with a limited warranty against defects in materials and workmanship. For warranty information, consult Timken’s official documentation or authorized service providers.