Timken HA590681 Wheel Bearing and Hub Assembly - Front

Overview of Timken HA590681 Wheel Bearing and Hub Assembly

The Timken HA590681 wheel bearing and hub assembly is engineered for reliable performance in Lexus RX350, RX350L, RX450h, and RX450hL models. Designed to meet precise specifications, this driven hub assembly ensures proper fit and function for your vehicle's driveline system.

• 30 spline quantity for secure drivetrain connection
• 4 flange bolt holes with a 120.00 mm (4.724 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 60.00 mm (2.362 inches) for accurate wheel alignment
• Brake pilot diameter of 62.00 mm (2.441 inches) to support brake component fitment
• Hub pilot diameter of 93.00 mm (3.661 inches) for precise hub positioning
• Flange diameter of 151.90 mm (5.980 inches) with a flange offset of 47.50 mm (1.870 inches)
• Designed as a driven hub assembly for optimal drivetrain integration

Detailed Product Description

The Timken HA590681 wheel bearing and hub assembly is a critical component in the driveline and axle system of select Lexus vehicles. Its 30 spline count ensures a secure connection to the drivetrain, while the 4-bolt flange with a 120 mm bolt circle diameter provides a stable mounting surface. The assembly features 5 wheel studs, supporting proper wheel installation and torque distribution. The wheel pilot diameter of 60 mm and brake pilot diameter of 62 mm allow for precise alignment of wheels and brake components, reducing vibration and wear. Additionally, the hub pilot diameter of 93 mm ensures the hub seats correctly on the axle shaft. The flange diameter and offset are engineered to maintain proper wheel positioning relative to the suspension and braking systems.

Compatible Vehicles and Applications

• Compatible with Lexus RX350 and RX350L models
• Compatible with Lexus RX450h and RX450hL hybrid models
• Used in driveline and axle systems requiring a driven wheel bearing and hub assembly
• Replaces worn or damaged wheel bearing and hub assemblies to restore vehicle stability and safety
• Addresses issues such as wheel vibration, noise, and uneven tire wear

Installation Notes and Tips

When installing the Timken HA590681, ensure the hub pilot diameter aligns precisely with the axle shaft to avoid misalignment. Torque the 4 flange bolts and 5 wheel studs to manufacturer specifications to maintain proper clamping force. Verify the spline engagement to prevent drivetrain slippage. It is recommended to inspect related components such as brake rotors and suspension parts during installation for optimal performance.

Quality Assurance and Warranty

Timken manufactures the HA590681 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable operation. While specific warranty details are not provided here, Timken products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult Timken or your parts provider for exact warranty terms.