Timken HA590269 Wheel Bearing and Hub Assembly - Rear

Timken HA590269 Wheel Bearing and Hub Assembly Overview

The Timken HA590269 wheel bearing and hub assembly is engineered for reliable driveline performance in select Lexus and Toyota models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for vehicles such as the Lexus LC500, LS460, and Toyota Mirai.

• 30 spline quantity for secure drivetrain engagement
• 4 flange bolt holes with a 120 mm bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 2.362 inches (60.00 mm) and brake pilot diameter of 2.441 inches (62.00 mm)
• Hub pilot diameter measuring 3.439 inches (87.36 mm)
• Flange diameter of 6.220 inches (158.00 mm) with a flange offset of 2.709 inches (68.80 mm)
• Designed for driven axle applications

Technical Specifications and Fitment Details

This Timken wheel bearing and hub assembly (part number HA590269) is specifically designed for driven axles, featuring a 30-spline shaft interface that ensures compatibility with the drivetrain components of Lexus and Toyota vehicles. The assembly includes a 4-hole flange with a 120 mm bolt circle diameter, supporting 5 wheel studs for secure wheel attachment. The wheel pilot diameter of 2.362 inches (60.00 mm) and brake pilot diameter of 2.441 inches (62.00 mm) provide precise alignment for brake components, while the hub pilot diameter of 3.439 inches (87.36 mm) ensures proper hub centering. The flange offset of 2.709 inches (68.80 mm) and flange diameter of 6.220 inches (158.00 mm) are engineered to maintain correct wheel positioning and suspension geometry.

Compatible Vehicles

This wheel bearing and hub assembly is compatible with the following Lexus and Toyota models:

• Lexus LC500 and LC500h
• Lexus LS460, LS500, LS500h, and LS600h
• Toyota Mirai

Common Applications and Problem Resolution

The Timken HA590269 assembly addresses several driveline and wheel-related issues, including:

• Eliminating wheel bearing noise and vibration
• Resolving wheel hub looseness or play
• Correcting uneven tire wear caused by hub misalignment
• Restoring proper brake rotor alignment
• Improving overall wheel stability and safety

Installation Notes and Tips

For optimal performance, ensure the hub assembly is installed on the driven axle side as specified. Verify that the spline count matches the vehicle’s drivetrain shaft. Torque flange bolts to manufacturer specifications and inspect wheel studs for damage before installation. Proper alignment of the wheel and brake pilots is critical to avoid premature wear or vibration.

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet stringent quality standards, ensuring durability and reliable operation. The HA590269 part number is backed by Timken’s quality assurance processes. Please refer to Timken’s official warranty documentation for specific coverage details.