Timken HA590323 Wheel Bearing and Hub Assembly - Front

Timken HA590323 Wheel Bearing and Hub Assembly Overview

The Timken HA590323 is a precision-engineered wheel bearing and hub assembly designed specifically for Volvo C30 and C70 models. This driven hub assembly ensures reliable performance and proper fitment, maintaining the integrity of your vehicle's driveline system.

• 36 spline quantity for secure axle engagement
• Wheel pilot diameters of 63.15 mm and 2.486 inches for accurate wheel alignment
• Brake pilot diameters of 63.48 mm and 2.499 inches for precise brake component fit
• 5 wheel studs for stable wheel mounting
• Flange diameters of 131.34 mm (5.171 inches) for proper flange fit
• Bolt circle diameters of 107 mm (4.252 inches) matching factory specifications
• Designed as a driven hub assembly for optimal driveline compatibility

Detailed Product Description

The Timken HA590323 wheel bearing and hub assembly is engineered to meet the exact specifications required by Volvo C30 and C70 vehicles. Featuring a 36-spline design, this assembly ensures a secure connection to the axle shaft, supporting smooth power transfer. The dual wheel pilot diameters (63.15 mm and 2.486 inches) provide precise centering of the wheel, reducing vibration and uneven tire wear. Brake pilot diameters of 63.48 mm and 2.499 inches allow for accurate brake rotor alignment, which is critical for consistent braking performance. The assembly includes five wheel studs arranged on a 107 mm (4.252 inches) bolt circle diameter, matching the factory wheel mounting pattern. Flange diameters of 131.34 mm (5.171 inches) ensure proper fitment to the vehicle’s hub flange, maintaining structural integrity under load.

Compatible Vehicles and Applications

• Volvo C30 wheel bearing and hub replacement
• Volvo C70 hub assembly maintenance
• Driven hub assembly for Volvo front or rear axle applications
• Replacement for worn or damaged wheel bearing and hub components
• Addressing issues such as wheel vibration, noise, or uneven tire wear

Installation Notes and Tips

When installing the Timken HA590323, ensure the vehicle is securely lifted and supported. Verify the spline count and pilot diameters match the original equipment to avoid fitment issues. Clean the mounting surfaces thoroughly before installation to prevent contamination. Torque wheel studs to manufacturer specifications and inspect the assembly for proper seating. It is recommended to check wheel alignment after installation to maintain optimal handling characteristics.

Quality Assurance and Warranty

Timken manufactures the HA590323 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Timken products typically come with a limited warranty covering defects in materials and workmanship. Refer to Timken’s official documentation for exact warranty terms applicable to this part.