Timken HA590228 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly Overview

The Timken HA590228 wheel bearing and hub assembly is engineered for reliable driveline performance in Acura and Honda vehicles. Designed specifically for models like the MDX, Pilot, and ZDX, this assembly ensures precise fitment and durability for driven wheels.

• 30 spline quantity for secure axle engagement
• 4 flange bolt holes with a 120.00 mm bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameters of 2.520 inches (64.00 mm) for accurate wheel alignment
• Brake pilot diameters of 2.756 inches (70.00 mm) to support brake component fitment
• Hub pilot diameters of 3.496 inches (88.80 mm) for proper hub centering
• Flange offset of 1.858 inches (47.20 mm) and flange diameter of 152.00 mm (5.984 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken HA590228 wheel bearing and hub assembly is a critical component in the driveline system of Acura MDX, Honda Pilot, and Honda ZDX vehicles. This assembly features a 30-spline design that ensures a secure connection to the axle shaft, supporting torque transfer and vehicle stability. The 4-bolt flange with a 120 mm bolt circle diameter provides a robust mounting surface, while the 5 wheel studs accommodate standard wheel configurations for these models.

Precision in pilot diameters is essential for proper wheel and brake alignment. This assembly includes wheel pilot diameters of 2.520 inches (64.00 mm) and brake pilot diameters of 2.756 inches (70.00 mm), which help maintain concentricity and reduce vibration. The hub pilot diameter of 3.496 inches (88.80 mm) ensures the hub centers correctly on the axle, contributing to smooth wheel rotation. The flange offset and diameter are designed to match factory specifications, maintaining proper wheel positioning and suspension geometry.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Acura MDX, Honda Pilot, and ZDX
• Eliminates wheel noise caused by bearing wear or failure
• Resolves wheel vibration and wobble issues
• Addresses ABS sensor malfunctions related to hub assembly defects
• Restores proper wheel alignment and driveline performance

Installation Notes and Tips

• Ensure compatibility with Acura MDX, Honda Pilot, and ZDX models before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect axle splines and mating surfaces for wear prior to assembly
• Verify wheel and brake pilot diameters match vehicle specifications for optimal fit
• Professional installation is recommended to maintain driveline integrity and safety

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet OEM standards for durability and performance. The HA590228 part number undergoes rigorous quality control to ensure precise fit and function. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult product documentation or Timken directly for exact warranty terms.