Timken HA590444 Wheel Bearing and Hub Assembly - Rear

Timken HA590444 Wheel Bearing and Hub Assembly Overview

The Timken HA590444 wheel bearing and hub assembly is engineered for reliable performance in select Buick and Chevrolet models. Designed specifically for non-driven wheels, this assembly ensures proper fit and function for vehicles like the Buick Encore, Chevrolet Sonic, and Chevrolet Trax.

• Compatible with Buick Encore, Chevrolet Sonic, and Chevrolet Trax
• Non-driven wheel bearing and hub assembly
• Five wheel studs with a 105.00 mm (4.133 inch) bolt circle diameter
• Four flange bolt holes with a flange diameter of 136.00 mm (5.354 inches)
• Multiple pilot diameters for wheel, brake, and hub ensuring precise fitment
• Flange offset of 64.76 mm (2.549 inches) for proper alignment

Technical Specifications and Fitment Details

This Timken HA590444 assembly features a spline quantity of zero, indicating it is designed for non-driven applications. The wheel pilot diameters measure 56.48 mm (2.224 inches), while the brake pilot diameters are 59.97 mm (2.361 inches). The hub pilot diameter is 70.00 mm (2.755 inches), providing a secure and accurate mounting surface. The flange offset of 64.76 mm (2.549 inches) and flange diameter of 136.00 mm (5.354 inches) ensure proper positioning relative to the vehicle’s suspension and brake components. The assembly includes five wheel studs arranged on a 105.00 mm (4.133 inch) bolt circle diameter, with four flange bolt holes for secure attachment.

Applications and Problem Resolution

This wheel bearing and hub assembly is designed for use on the front or rear non-driven wheels of Buick Encore, Chevrolet Sonic, and Chevrolet Trax models. It addresses common issues such as:

• Wheel bearing noise or roughness during rotation
• Excessive play or looseness in the wheel hub
• Uneven tire wear caused by hub misalignment
• ABS sensor malfunctions related to hub assembly wear (if applicable)
• Vibration or wobbling felt through the steering wheel

Installation Notes and Tips

Proper installation of the Timken HA590444 requires attention to torque specifications for flange bolts and wheel studs. Ensure the hub pilot diameters align correctly with the vehicle’s hub mounting surface to avoid misalignment. It is recommended to inspect related suspension and brake components during installation to confirm overall system integrity. Use appropriate tools to avoid damage to the bearing assembly and verify smooth wheel rotation after installation.

Quality Assurance and Warranty Information

Timken manufactures this wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. The HA590444 part number is backed by Timken’s quality assurance processes, ensuring consistent reliability. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized Timken distributor.