Timken HA590056 Wheel Bearing and Hub Assembly - Rear

Timken Wheel Bearing and Hub Assembly for Mazda CX-9

The Timken HA590056 wheel bearing and hub assembly is engineered for reliable driveline performance on Mazda CX-9 models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle.

• 28 spline quantity for secure axle engagement
• 5 wheel studs for stable wheel mounting
• 4 flange bolt holes with a 114.3 mm (4.5 inch) bolt circle diameter
• Wheel pilot diameter of 67.00 mm (2.638 inches) for accurate wheel alignment
• Brake pilot diameter of 72.00 mm (2.835 inches) to support brake component fitment
• Hub pilot diameter of 78.00 mm (3.071 inches) ensuring proper hub centering
• Flange diameter of 139.76 mm (5.502 inches) with a flange offset of 62.95 mm (2.478 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken HA590056 wheel bearing and hub assembly is specifically designed for the Mazda CX-9, providing a precise fit and reliable operation. The 28-spline design ensures a secure connection to the axle shaft, while the 5 wheel studs and 4 flange bolt holes provide a stable mounting platform for the wheel. The assembly features carefully measured pilot diameters for the wheel, brake, and hub, which help maintain proper alignment and reduce vibration. The flange diameter and offset are engineered to match the vehicle’s specifications, ensuring compatibility with the CX-9’s suspension and braking systems. This assembly is intended for driven axle use, supporting the transfer of torque from the drivetrain to the wheels.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Mazda CX-9
• Eliminates wheel vibration caused by bearing wear
• Resolves noise issues such as humming or grinding from the wheel area
• Restores proper wheel alignment and brake component fitment
• Addresses looseness or play in the wheel hub assembly

Installation Notes and Tips

• Ensure compatibility with Mazda CX-9 model year before installation
• Use proper torque specifications for flange bolts and wheel studs
• Inspect axle splines and mating surfaces for wear before assembly
• Clean mounting surfaces to prevent contamination and ensure proper fit
• Verify wheel pilot and brake pilot diameters match vehicle components

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet strict quality standards, ensuring durability and performance. The HA590056 part number undergoes rigorous testing to comply with OEM specifications for the Mazda CX-9. This product typically includes a limited warranty covering defects in materials and workmanship. Refer to Timken’s official warranty documentation for specific terms and conditions.