Timken HA590314 Wheel Bearing and Hub Assembly - Rear

Timken HA590314 Wheel Bearing and Hub Assembly Overview

The Timken HA590314 wheel bearing and hub assembly is engineered for reliable driveline performance on Subaru Impreza models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your vehicle's driven axle system.

• 27 spline quantity for secure axle engagement
• 4 flange bolt holes with a 114.30 mm (4.5 inch) bolt circle diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameter of 56.00 mm (2.205 inches) for accurate wheel alignment
• Brake pilot diameter of 58.00 mm (2.283 inches) to support brake component fitment
• Hub pilot diameter of 84.00 mm (3.307 inches) ensuring proper hub centering
• Flange diameter of 138.00 mm (5.433 inches) with a flange offset of 66.53 mm (2.619 inches)
• Designed for driven axle applications

Detailed Product Description

The Timken HA590314 wheel bearing and hub assembly is specifically designed for Subaru Impreza vehicles requiring a driven axle component. This assembly features a 27-spline interface that provides a secure connection to the axle shaft, ensuring torque transfer and rotational stability. The flange includes 4 bolt holes arranged on a 114.30 mm bolt circle diameter, compatible with the vehicle's mounting points. Five wheel studs allow for proper wheel attachment, while the wheel pilot diameter of 56.00 mm and brake pilot diameter of 58.00 mm ensure precise alignment of the wheel and brake components. The hub pilot diameter of 84.00 mm centers the hub assembly on the axle, reducing vibration and wear. The flange offset and diameter are engineered to maintain correct wheel positioning relative to the suspension and brake system.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Subaru Impreza models
• Eliminates wheel vibration and noise caused by bearing wear
• Restores proper wheel alignment and brake rotor positioning
• Addresses issues with uneven tire wear due to hub misalignment
• Prevents axle shaft damage by maintaining secure spline engagement

Installation Notes and Tips

• Ensure compatibility with Subaru Impreza model year and drivetrain configuration before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle shaft splines for damage prior to assembly
• Clean mounting surfaces to ensure proper hub pilot seating
• Verify wheel and brake component clearances after installation

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet OEM standards for fit, form, and function. The HA590314 part number undergoes rigorous quality control to ensure durability and performance under normal operating conditions. While specific warranty terms may vary, Timken typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for detailed warranty information.