Timken HA590376 Wheel Bearing and Hub Assembly - Front

Timken HA590376 Wheel Bearing and Hub Assembly Overview

The Timken HA590376 wheel bearing and hub assembly is engineered for reliable performance in select Infiniti and Nissan vehicles. Designed as a non-driven hub, this assembly ensures proper fitment and durability for models such as the Infiniti G35, Q50, and Nissan 370Z.

• Non-driven wheel bearing and hub assembly
• 5 wheel studs with a 114.30 mm (4.5 inch) bolt circle diameter
• 4 flange bolt holes with a flange diameter of 136 mm (5.354 inches)
• Wheel pilot diameter of 66 mm (2.598 inches) and brake pilot diameter of 68 mm (2.677 inches)
• Flange offset of 41 mm (1.614 inches) for precise alignment
• Hub pilot diameter of 93 mm (3.661 inches)

Detailed Product Description and Specifications

The Timken HA590376 is a wheel bearing and hub assembly designed specifically for non-driven applications on various Infiniti and Nissan models, including the 370Z, EX35, FX35, G35, M35, Q50, and Q70 series. This assembly features five wheel studs arranged on a 114.30 mm bolt circle diameter, providing secure wheel mounting. The flange includes four bolt holes with a diameter of 136 mm, ensuring compatibility with the vehicle's brake and suspension components.

Critical dimensions such as the wheel pilot diameter (66 mm) and brake pilot diameter (68 mm) support proper wheel centering and brake rotor alignment. The flange offset of 41 mm helps maintain correct wheel positioning relative to the suspension geometry. The hub pilot diameter of 93 mm ensures a precise fit on the axle hub, reducing vibration and enhancing driving stability.

Compatible Vehicles and Applications

This Timken HA590376 assembly is compatible with a range of Infiniti and Nissan vehicles, including:

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

Common Issues Addressed by This Assembly

• Wheel bearing noise or roughness during driving
• Excessive wheel play or looseness
• Uneven tire wear caused by hub misalignment
• Brake rotor wobble or vibration
• ABS sensor malfunction related to hub assembly

Installation Notes and Tips

When installing the Timken HA590376 wheel bearing and hub assembly, ensure the following:

• Verify compatibility with your specific Infiniti or Nissan model and year
• Use proper torque specifications for flange bolts and wheel studs
• Inspect the axle shaft and surrounding components for wear or damage
• Clean mounting surfaces to ensure proper hub pilot seating
• Check ABS sensor connections if applicable

Quality Assurance and Warranty

Timken manufactures the HA590376 assembly to meet OEM standards for fit, form, and function. The product undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult Timken or your parts provider for exact warranty terms related to this wheel bearing and hub assembly.