Timken HA592451 Wheel Bearing and Hub Assembly - Rear Right

Timken HA592451 Wheel Bearing and Hub Assembly Overview

The Timken HA592451 wheel bearing and hub assembly is engineered for reliable performance in select Lexus and Toyota models. Designed as a non-driven hub, this assembly ensures precise fitment and durability for vehicles like the Toyota Highlander and Lexus RX series.

• Compatible with Lexus Highlander, RX330, RX350, RX400h and Toyota Highlander models
• Non-driven wheel bearing and hub assembly with 5 wheel studs
• Wheel pilot diameter: 2.362 inches (60.00 mm)
• Brake pilot diameter: 2.441 inches (62.00 mm)
• Hub pilot diameter: 3.299 inches (83.79 mm)
• Flange offset: 2.835 inches (72.00 mm)
• Flange diameter: 5.984 inches (152.00 mm)
• Bolt circle diameter: 4.500 inches (114.30 mm)

Detailed Specifications and Features

The Timken HA592451 assembly features a 5-stud configuration designed to match the bolt circle diameter of 114.30 mm (4.500 inches), ensuring secure mounting on compatible Lexus and Toyota vehicles. The wheel pilot diameter of 60.00 mm (2.362 inches) and brake pilot diameter of 62.00 mm (2.441 inches) provide precise alignment for wheel and brake components. The hub pilot diameter measures 83.79 mm (3.299 inches), supporting proper hub centering. With a flange offset of 72.00 mm (2.835 inches) and flange diameter of 152.00 mm (5.984 inches), this assembly maintains correct positioning relative to the vehicle’s suspension and braking system. The non-driven design suits front or rear axle applications where the hub is not powered.

Applications and Problem Solving

This wheel bearing and hub assembly is intended for use in the following vehicles:

• Lexus RX330, RX350, RX400h
• Toyota Highlander

Common issues addressed by replacing the HA592451 include:

• Wheel bearing noise or roughness
• Excessive wheel play or looseness
• ABS sensor malfunctions related to hub assembly
• Uneven brake rotor wear due to hub misalignment
• Vibration or wobbling during driving

Installation Notes and Tips

Proper installation of the Timken HA592451 requires attention to torque specifications and alignment. Ensure the hub pilot diameter matches the vehicle hub to avoid misalignment. Use a calibrated torque wrench to tighten the 5 wheel studs evenly to manufacturer specifications. Inspect the axle and surrounding components for wear or damage before installation. It is recommended to replace the assembly as a complete unit to maintain optimal performance and safety.

Quality Assurance and Warranty

Timken is known for manufacturing precision-engineered driveline components. The HA592451 wheel bearing and hub assembly is produced to meet or exceed OEM standards for fit, form, and function. While specific warranty details may vary, Timken typically offers limited warranties covering defects in materials and workmanship. Always consult the product documentation or Timken directly for exact warranty terms.