Timken HA590431 Wheel Bearing and Hub Assembly - Rear

Timken HA590431 Wheel Bearing and Hub Assembly Overview

The Timken HA590431 wheel bearing and hub assembly is engineered for reliable performance in Mazda vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for specific Mazda models requiring a 4-flange bolt hole configuration.

• Flange Bolt Hole Quantity: 4
• Wheel Pilot Diameter: 2.125 inches (54.00 mm)
• Brake Pilot Diameter: 2.165 inches (55.00 mm)
• Wheel Stud Quantity: 4
• Hub Pilot Diameter: 2.539 inches (64.50 mm)
• Drive Type: Non-driven
• Flange Offset: 2.696 inches (68.50 mm)
• Flange Diameter: 4.795 inches (121.8 mm)
• Bolt Circle Diameter: 3.937 inches (100.00 mm)

Detailed Specifications and Compatibility

The Timken HA590431 is specifically designed for Mazda vehicles, providing a precise fit with its 4-flange bolt hole pattern and 4 wheel studs. The wheel pilot diameter of 2.125 inches (54.00 mm) and brake pilot diameter of 2.165 inches (55.00 mm) ensure proper alignment with the wheel and brake components. The hub pilot diameter measures 2.539 inches (64.50 mm), supporting the hub's secure seating on the axle. With a flange offset of 2.696 inches (68.50 mm) and a flange diameter of 4.795 inches (121.8 mm), this assembly maintains correct positioning for optimal wheel function. The bolt circle diameter of 3.937 inches (100.00 mm) matches the vehicle's wheel mounting requirements, making it compatible with select Mazda models.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Mazda vehicles
• Eliminates wheel noise caused by bearing wear
• Resolves wheel vibration and uneven tire wear issues
• Restores proper wheel alignment and brake component fitment
• Prevents hub assembly looseness and potential wheel detachment

Installation Notes and Tips

When installing the Timken HA590431 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Verify the flange bolt hole quantity and wheel stud count match the vehicle specifications. Clean the hub mounting surface thoroughly before installation to prevent misalignment. Torque all bolts to manufacturer specifications to maintain proper flange offset and secure fitment. It is recommended to inspect related suspension and brake components during installation for overall system integrity.

Quality Assurance and Warranty

Timken manufactures the HA590431 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part is backed by Timken's limited warranty against defects in materials and workmanship, providing confidence in its long-term use on compatible Mazda vehicles.