Timken HA590255 Wheel Bearing and Hub Assembly - Rear

Timken HA590255 Wheel Bearing and Hub Assembly Overview

The Timken HA590255 wheel bearing and hub assembly is engineered for reliable driveline performance on select Infiniti and Nissan vehicles. Designed to meet OEM specifications, this assembly ensures proper fit and function for models such as the Infiniti G35, Q50, and Nissan 370Z.

• 32 spline quantity for precise drivetrain engagement
• 5 wheel studs for secure wheel mounting
• 4 flange bolt holes with a 114.30 mm (4.5 inch) bolt circle diameter
• Wheel pilot diameter of 66.00 mm (2.598 inches) for accurate wheel alignment
• Brake pilot diameter of 68.00 mm (2.677 inches) to support brake component fitment
• Hub pilot diameter of 94.00 mm (3.701 inches) ensuring proper hub centering
• Flange diameter of 145.56 mm (5.731 inches) with a flange offset of 69.00 mm (2.717 inches)
• Designed for driven axle applications

Technical Details and Compatibility

This Timken HA590255 wheel bearing and hub assembly is specifically designed for driven axles, providing a direct replacement for factory components on various Infiniti and Nissan models. The 32 spline count matches the drivetrain requirements of vehicles like the Infiniti FX35, Q60, and Nissan 370Z. The assembly’s flange and bolt circle diameters ensure compatibility with OEM wheels and brake systems, maintaining proper alignment and rotational stability.

Compatible Infiniti and Nissan Models

This part is compatible with a range of Infiniti and Nissan vehicles, including but not limited to:

• Infiniti 370Z, EX35, EX37, FX35, FX37, FX50
• Infiniti G25, G35, G37
• Infiniti M35, M35h, M37, M45, M56
• Infiniti Q40, Q50, Q60, Q70, Q70L
• Infiniti QX50, QX70, Z
• Nissan 370Z

Common Applications and Problem Resolution

The Timken HA590255 assembly addresses several driveline and wheel hub issues, including:

• Eliminating wheel bearing noise and vibration
• Resolving wheel hub looseness or play
• Correcting uneven tire wear caused by hub misalignment
• Restoring proper wheel rotation and braking performance
• Replacing worn or damaged driven axle components

Installation Notes and Tips

Installation of the Timken HA590255 requires proper torque specifications for the 5 wheel studs and 4 flange bolts. Ensure the hub pilot diameter aligns correctly with the vehicle hub to avoid misalignment. It is recommended to inspect related components such as axle shafts and brake rotors during installation. Use appropriate tools to avoid damage to the spline teeth and flange surfaces.

Quality Assurance and Warranty

Timken manufactures the HA590255 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and performance. This part is backed by Timken’s limited warranty against defects in materials and workmanship, providing confidence in long-term reliability for your Infiniti or Nissan vehicle.