Timken HA590156 Wheel Bearing and Hub Assembly - Front

Timken HA590156 Wheel Bearing and Hub Assembly Overview

The Timken HA590156 wheel bearing and hub assembly is engineered for reliable performance in Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer vehicles. Designed to meet precise specifications, this driven hub assembly ensures proper fit and function for your driveline system.

• 27 spline quantity for secure axle engagement
• 3 flange bolt holes with a 160 mm flange diameter
• 5 wheel studs for stable wheel mounting
• Wheel pilot diameters of 2.774 inches (70.45 mm) for accurate wheel alignment
• Brake pilot diameters of 3.228 inches (82.00 mm) to support brake component fitment
• Hub pilot diameters of 3.346 inches (85.00 mm) for precise hub positioning
• Flange offset of 1.921 inches (48.80 mm) to maintain correct wheel offset
• Bolt circle diameter of 114.30 mm (4.500 inches) matching OEM specifications
• Designed as a driven hub assembly for proper driveline operation

Detailed Product Description

The Timken HA590156 wheel bearing and hub assembly is a critical component in the driveline and axle system of select Ford and Mercury SUVs. This assembly features a 27-spline driven design that ensures a secure connection to the axle shaft, supporting torque transfer and vehicle stability. The flange includes three bolt holes and a 160 mm diameter, providing a robust mounting surface for the wheel and brake components. With five wheel studs and carefully measured pilot diameters for both the wheel and brake, this hub assembly maintains precise alignment and fitment, reducing vibration and wear.

Its flange offset of 1.921 inches (48.80 mm) is engineered to maintain the correct wheel positioning relative to the suspension and steering components. The bolt circle diameter of 114.30 mm (4.500 inches) matches factory specifications for the Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer, ensuring compatibility and ease of installation.

Compatible Vehicles and Applications

• Ford Explorer wheel bearing and hub replacement
• Ford Explorer Sport Trac driveline hub assembly upgrade
• Mercury Mountaineer front or rear wheel hub repair
• Replacement for worn or damaged driven hub assemblies in specified models
• Addressing issues such as wheel vibration, noise, or uneven tire wear

Installation Notes and Tips

• Verify vehicle compatibility with Ford Explorer, Explorer Sport Trac, or Mercury Mountaineer before installation
• Ensure proper torque specifications are followed for flange bolts and wheel studs
• Inspect axle splines and mating surfaces for wear or damage prior to assembly
• Use appropriate tools to avoid damaging the hub or bearing during installation
• Check wheel alignment and balance after installation to maintain vehicle handling

Quality Assurance and Warranty

Timken manufactures the HA590156 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Timken's limited warranty against defects in materials and workmanship, providing confidence in its long-term use on compatible Ford and Mercury vehicles.