Timken HA590275 Wheel Bearing and Hub Assembly - Rear

Timken HA590275 Wheel Bearing and Hub Assembly Overview

The Timken HA590275 wheel bearing and hub assembly is engineered for reliable driveline performance in Mitsubishi vehicles. Designed specifically for Mitsubishi Lancer and Outlander models, this assembly ensures precise fitment and durability for driven wheel applications.

• 27 spline quantity for secure axle engagement
• 5 wheel studs and 4 flange bolt holes for stable wheel mounting
• Wheel pilot diameter of 2.638 inches (67.00 mm) for accurate wheel alignment
• Brake pilot diameter of 3.150 inches (80.00 mm) to support brake component fitment
• Hub pilot diameter of 3.465 inches (88.00 mm) for proper hub centering
• Flange offset of 2.330 inches (59.18 mm) and flange diameter of 5.531 inches (140.50 mm) for correct positioning
• Bolt circle diameter of 4.500 inches (114.30 mm) matching OEM specifications

Technical Details and Compatibility

This Timken wheel bearing and hub assembly (part number HA590275) is designed for driven axle applications on Mitsubishi Lancer and Outlander models. The 27 spline count ensures compatibility with the vehicle’s axle shaft, while the 5 wheel studs and 4 flange bolt holes provide a secure mounting interface for the wheel. The precise pilot diameters for the wheel, brake, and hub ensure proper centering and alignment, which is critical for maintaining vehicle stability and brake performance.

Common Applications and Problem Resolution

This assembly is used to replace worn or damaged wheel bearing and hub units on compatible Mitsubishi vehicles. It addresses several common issues including:

• Excessive wheel bearing noise or roughness
• Wheel play or looseness affecting handling
• Uneven brake rotor wear due to misalignment
• Vibration or wobbling at the wheel during driving
• Failed or damaged hub assembly components

Installation Notes and Tips

Installation of the Timken HA590275 wheel bearing and hub assembly should be performed by a qualified technician using proper tools. Ensure the axle splines align correctly with the 27 spline hub interface. Torque wheel studs and flange bolts to manufacturer specifications. Verify that the pilot diameters seat properly to avoid misalignment. It is recommended to inspect related components such as brake rotors and axle shafts during installation.

Quality Assurance and Warranty

Timken manufactures this wheel bearing and hub assembly to meet or exceed OEM standards for fit, form, and function. The HA590275 part undergoes rigorous quality control to ensure durability and performance. Timken typically offers a limited warranty covering defects in materials and workmanship; please refer to Timken’s official warranty documentation for specific terms.