Timken HA590087 Wheel Bearing and Hub Assembly - Front

Timken HA590087 Wheel Bearing and Hub Assembly Overview

The Timken HA590087 wheel bearing and hub assembly is engineered for reliable performance on Chevrolet HHR vehicles. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for your driveline system.

• 33 spline quantity for secure drivetrain engagement
• 3 flange bolt holes with a 110 mm (4.331 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 64.97 mm (2.558 inches) for accurate wheel alignment
• Brake pilot diameter of 65.45 mm (2.577 inches) to support brake component fitment
• Hub pilot diameter of 85.00 mm (3.346 inches) ensuring proper hub centering
• Flange diameter of 137.00 mm (5.394 inches) with a flange offset of 38.95 mm (1.533 inches)
• Designed as a driven hub assembly for optimal drivetrain integration

Detailed Product Description

The Timken HA590087 is a wheel bearing and hub assembly specifically designed for the Chevrolet HHR. This component features a 33-spline driven design that integrates seamlessly with the vehicle’s axle shaft. The assembly includes a flange with 3 bolt holes arranged on a 110 mm bolt circle diameter, providing a secure mounting surface. The 5 wheel studs accommodate standard wheel configurations, while the precise wheel pilot diameter of 64.97 mm ensures proper wheel centering and balance. Brake pilot diameter of 65.45 mm supports accurate brake rotor alignment, contributing to consistent braking performance. The hub pilot diameter of 85.00 mm centers the hub on the axle flange, reducing vibration and wear. With a flange diameter of 137.00 mm and an offset of 38.95 mm, this assembly maintains correct positioning relative to the suspension and brake components.

Compatible Vehicles and Applications

This Timken wheel bearing and hub assembly is compatible with Chevrolet HHR models requiring a driven hub with the specified spline count and flange configuration. It is suitable for replacing worn or damaged wheel hubs to restore proper wheel rotation and driveline function.

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble or play issues
• Corrects uneven tire wear caused by hub misalignment
• Restores proper brake rotor alignment
• Prevents drivetrain vibration related to hub failure

Installation Notes and Tips

When installing the Timken HA590087, ensure the vehicle is securely lifted and supported. Remove the existing hub assembly carefully to avoid damage to surrounding components. Verify the spline count and flange bolt pattern match the replacement part. Use proper torque specifications for flange bolts and wheel studs to maintain safety and performance. It is recommended to inspect related suspension and brake components during installation for wear or damage.

Quality Assurance and Warranty

Timken manufactures this wheel bearing and hub assembly to meet OEM standards for fit, form, and function. The HA590087 part number undergoes rigorous quality control to ensure durability and reliability. Timken typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product’s long-term performance.