Timken HA590321 Wheel Bearing and Hub Assembly - Rear

Timken HA590321 Wheel Bearing and Hub Assembly Overview

The Timken HA590321 wheel bearing and hub assembly is engineered for reliable driveline performance in Volvo S40 and V50 models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle system.

• 36 spline quantity for secure axle engagement
• 4 flange bolt holes for stable mounting
• 5 wheel studs to accommodate wheel attachment
• Wheel pilot diameter of 2.490 inches (63.25 mm) for accurate wheel centering
• Brake pilot diameter of 2.500 inches (63.50 mm) ensuring proper brake rotor alignment
• Hub pilot diameter of 3.268 inches (83.00 mm) for precise hub fitment
• Flange offset of 2.480 inches (63.00 mm) to maintain correct wheel positioning
• Flange diameter of 5.347 inches (135.82 mm) for compatibility with vehicle components
• Bolt circle diameter of 4.252 inches (108.00 mm) matching Volvo factory specifications
• Designed for driven axle applications

Detailed Product Description

The Timken HA590321 wheel bearing and hub assembly is specifically designed for Volvo S40 and V50 vehicles, providing a direct replacement for the original equipment. This assembly features a 36-spline driven design that ensures a secure connection to the axle shaft. The 4 flange bolt holes and 5 wheel studs provide a stable and reliable mounting surface for the wheel and brake components. With precise wheel pilot and brake pilot diameters, this hub assembly maintains proper alignment of the wheel and brake rotor, which is critical for safe and efficient vehicle operation. The flange offset and diameter are engineered to match Volvo's factory specifications, ensuring the wheel sits correctly relative to the suspension and brake system.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or vibration
• Fixes wheel hub looseness or play affecting vehicle handling
• Resolves uneven brake rotor wear due to misalignment
• Addresses ABS sensor issues related to hub assembly failure
• Prevents premature tire wear caused by hub or bearing defects

Installation Notes and Tips

• Ensure compatibility with Volvo S40 and V50 models before installation
• Use proper torque specifications for flange bolts and wheel studs
• Inspect axle shaft splines for wear prior to assembly
• Clean mounting surfaces to prevent contamination and ensure proper fit
• Verify wheel and brake pilot diameters match vehicle components for alignment

Quality Assurance and Warranty

Timken manufactures the HA590321 wheel bearing and hub assembly to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under normal driving conditions. While specific warranty details may vary, Timken products typically include a limited warranty against defects in materials and workmanship. Consult Timken or your parts provider for exact warranty terms applicable to this assembly.