Timken HA590201 Wheel Bearing and Hub Assembly - Rear

Timken HA590201 Wheel Bearing and Hub Assembly Overview

The Timken HA590201 wheel bearing and hub assembly is engineered for reliable driveline performance on select Lexus and Toyota models. Designed to meet precise specifications, this assembly supports smooth wheel rotation and vehicle stability for the Lexus NX200t, NX300, NX300h, and Toyota RAV4.

• 26 spline quantity for secure drivetrain engagement
• 5 wheel studs ensuring proper wheel mounting
• 4 flange bolt holes for stable attachment
• Wheel pilot diameter of 2.362 inches (60.00 mm) for accurate wheel alignment
• Brake pilot diameter of 2.441 inches (62.00 mm) to fit brake components precisely
• Hub pilot diameter of 2.992 inches (76.00 mm) for correct hub positioning
• Flange diameter of 5.984 inches (152.00 mm) and bolt circle diameter of 4.500 inches (114.30 mm)
• Designed for driven axle applications

Technical Details and Specifications

The HA590201 wheel bearing and hub assembly features a 26-spline design that ensures a secure connection to the drivetrain, critical for maintaining torque transfer and wheel stability. The assembly includes 5 wheel studs and 4 flange bolt holes, providing a robust mounting interface. The wheel pilot diameter measures 2.362 inches (60.00 mm), which aligns the wheel accurately to the hub, reducing vibration and uneven tire wear. Brake pilot diameter is 2.441 inches (62.00 mm), ensuring compatibility with brake rotors and calipers. The hub pilot diameter of 2.992 inches (76.00 mm) centers the hub on the axle flange, contributing to precise wheel positioning. Flange offset and diameter measurements support proper fitment and clearance within the wheel well.

Compatible Vehicles and Applications

This Timken HA590201 assembly is compatible with the following vehicles:

• Lexus NX200t
• Lexus NX300
• Lexus NX300h
• Toyota RAV4

It is specifically designed for driven axle configurations, making it suitable for front or rear wheel drive systems depending on the vehicle model.

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 improper wheel mounting
• Restores proper brake rotor alignment for consistent braking performance
• Fixes ABS sensor errors related to faulty hub assemblies

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before installation
• Clean the axle flange and surrounding area to remove debris
• Verify spline count and pilot diameters match the vehicle specifications
• Tighten flange bolts and wheel studs to manufacturer torque specifications
• Check for smooth wheel rotation and absence of play after installation

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet OEM standards for durability and performance. The HA590201 part number undergoes rigorous quality control to ensure precise fit and function. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship, supporting long-term reliability for Lexus NX and Toyota RAV4 owners.