Timken HA590060 Wheel Bearing and Hub Assembly - Front Left

Timken HA590060 Wheel Bearing and Hub Assembly Overview

The Timken HA590060 wheel bearing and hub assembly is engineered for reliable driveline performance on Chevrolet Canyon, GMC Colorado, and Isuzu i-350 and i-370 models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for driven axle applications.

• 27 spline quantity for secure axle engagement
• 6 wheel studs and 4 flange bolt holes for stable wheel mounting
• Wheel pilot diameter of 3.918 inches (99.52 mm) for accurate wheel alignment
• Brake pilot diameter of 3.940 inches (100.08 mm) to support brake component fitment
• Hub pilot diameter of 3.347 inches (85.02 mm) for precise hub positioning
• Flange diameter of 7.250 inches (184.16 mm) with a flange offset of 2.654 inches (67.40 mm)
• Bolt circle diameter of 5.500 inches (139.70 mm) matching OEM specifications
• Designed for driven axle applications

Detailed Product Description

The Timken HA590060 wheel bearing and hub assembly is manufactured to exacting standards to provide a direct replacement for the front or rear driven axles on Chevrolet Canyon, GMC Colorado, and Isuzu i-350 and i-370 vehicles. The assembly features a 27-spline interface that ensures a secure connection to the axle shaft, while the 6 wheel studs and 4 flange bolt holes provide a stable mounting surface for the wheel. The precise wheel pilot diameter of 3.918 inches (99.52 mm) and brake pilot diameter of 3.940 inches (100.08 mm) facilitate proper alignment of the wheel and brake components, reducing vibration and wear. The hub pilot diameter of 3.347 inches (85.02 mm) ensures the hub seats correctly on the axle, maintaining vehicle stability and safety. With a flange diameter of 7.250 inches (184.16 mm) and a flange offset of 2.654 inches (67.40 mm), this assembly matches OEM dimensions for seamless integration. The bolt circle diameter of 5.500 inches (139.70 mm) corresponds to factory specifications, ensuring compatibility with original wheels.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Canyon, GMC Colorado, and Isuzu i-350/i-370
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Resolves noise issues such as humming or grinding from the wheel area
• Restores proper wheel and brake component alignment for improved handling
• Addresses axle spline wear affecting driveline performance

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Verify spline count and pilot diameters match vehicle specifications
• Use proper torque specifications for flange bolts and wheel studs
• Inspect related components such as axle shafts and brake parts during installation
• Follow manufacturer guidelines for bearing lubrication and break-in procedures

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The HA590060 part number undergoes rigorous quality control to ensure precise fit and long service life. Timken provides a limited warranty covering defects in materials and workmanship, supporting confidence in the product's reliability for Chevrolet Canyon, GMC Colorado, and Isuzu i-350 and i-370 applications.