Timken HA590136 Wheel Bearing and Hub Assembly - Rear

Timken HA590136 Wheel Bearing and Hub Assembly Overview

The Timken HA590136 wheel bearing and hub assembly is engineered for reliable performance in select Lexus models. Designed to meet precise specifications, this assembly ensures proper fit and function for vehicles such as the Lexus GS and IS series.

• 30 spline quantity for secure axle engagement
• 4 flange bolt holes and 5 wheel studs for stable mounting
• Wheel pilot diameter of 2.364 inches (60.04 mm) for accurate wheel alignment
• Brake pilot diameter of 2.440 inches (61.98 mm) to support brake component fitment
• Hub pilot diameter of 3.306 inches (83.97 mm) for precise hub centering
• Driven type assembly designed for rear-wheel or all-wheel drive applications
• Flange offset of 2.655 inches (67.43 mm) and flange diameter of 6.072 inches (154.24 mm) for proper wheel positioning
• Bolt circle diameter of 4.497 inches (114.23 mm) matching OEM specifications

Detailed Product Description

The Timken HA590136 wheel bearing and hub assembly is manufactured to exacting standards to provide a direct replacement for compatible Lexus vehicles. This assembly features a 30-spline axle interface, ensuring a secure connection to the drivetrain. The 4 flange bolt holes and 5 wheel studs provide a robust mounting platform, maintaining wheel stability under various driving conditions. The precise wheel pilot and brake pilot diameters facilitate proper alignment of wheels and brake components, reducing vibration and wear. The driven hub design supports torque transfer in rear-wheel or all-wheel drive Lexus GS300, GS350, GS430, GS450h, GS460, GS F, IS250, IS350, IS F, and RC F models.

Compatible Lexus Models and Applications

• Lexus GS300, GS350, GS430, GS450h, GS460, GS F
• Lexus IS250, IS350, IS F
• Lexus RC F

This assembly is intended for use in driveline and axle repairs where the wheel bearing or hub assembly requires replacement due to wear or damage.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble or play caused by worn hubs
• Restores proper wheel alignment and brake component fitment
• Prevents uneven tire wear due to hub misalignment
• Improves drivetrain torque transfer and vehicle stability

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify the part number HA590136 matches the original equipment to confirm compatibility. Clean the mounting surfaces thoroughly to prevent contamination. Torque flange bolts and wheel studs to manufacturer specifications. It is recommended to inspect related components such as axle shafts and brake parts during installation for optimal performance.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards. The HA590136 assembly undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or Timken directly.