Timken HA590523 Wheel Bearing and Hub Assembly - Front

Timken HA590523 Wheel Bearing and Hub Assembly Overview

The Timken HA590523 wheel bearing and hub assembly is engineered for reliable driveline performance on select Mazda vehicles. Designed specifically for Mazda 3 and CX-3 models, this assembly ensures precise fitment and durability for driven wheel applications.

• Compatible with Mazda 3 and Mazda CX-3 models
• 28 spline quantity for secure drivetrain engagement
• 5 wheel studs and 4 flange bolt holes for stable wheel mounting
• Flange diameter of 138.73 mm and bolt circle diameter of 114.30 mm
• Wheel pilot diameter of 66.90 mm and brake pilot diameter of 67.92 mm for accurate alignment
• Flange offset of 42.82 mm to maintain proper wheel positioning
• Hub pilot diameter of 90.86 mm for precise hub fitment

Technical Specifications and Features

The Timken HA590523 assembly features a 28-spline driven design, optimized for the Mazda 3 and CX-3 driveline systems. It includes 5 wheel studs and 4 flange bolt holes, providing a secure and stable connection between the wheel and hub. The flange diameter measures 138.73 mm (5.462 inches), while the bolt circle diameter is 114.30 mm (4.500 inches), matching OEM specifications for these Mazda models. The wheel pilot diameter of 66.90 mm (2.634 inches) and brake pilot diameter of 67.92 mm (2.674 inches) ensure proper centering of the wheel and brake components. Additionally, the flange offset of 42.82 mm (1.686 inches) maintains correct wheel positioning relative to the suspension and brake system. The hub pilot diameter of 90.86 mm (3.577 inches) provides a precise fit to the axle hub, reducing vibration and enhancing driveline stability.

Application and Problem Resolution

This wheel bearing and hub assembly is designed for use on driven wheels of Mazda 3 and CX-3 vehicles. It addresses common issues such as:

• Wheel bearing noise or roughness due to wear or damage
• Excessive wheel play or looseness affecting vehicle handling
• Uneven tire wear caused by hub misalignment
• Brake rotor runout resulting from worn hub pilots
• Vibration or wobble during driving at various speeds

Installation Notes and Tips

When installing the Timken HA590523 assembly, ensure the following for optimal performance:

• Verify compatibility with Mazda 3 or CX-3 model year and drivetrain configuration
• Clean the hub mounting surface to remove rust and debris before installation
• Torque flange bolts and wheel studs to manufacturer specifications
• Check spline engagement for proper fit on the axle shaft
• Inspect brake components for wear and replace if necessary during installation

Quality Assurance and Warranty

Timken manufactures the HA590523 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. Each unit undergoes rigorous quality control to ensure precise dimensions and reliable operation. This part is backed by Timken's limited warranty, covering defects in materials and workmanship under normal use conditions.