Timken HA590286K Wheel Bearing and Hub Assembly - Front

Overview of Timken HA590286K Wheel Bearing and Hub Assembly

The Timken HA590286K wheel bearing and hub assembly is engineered for reliable driveline performance in select Ford, Mazda, and Mercury vehicles. Designed to meet precise specifications, this assembly supports smooth wheel rotation and vehicle stability for models like the Ford Escape, Mazda Tribute, and Mercury Mariner.

• 28 spline quantity for secure drivetrain engagement
• Wheel pilot diameter of 2.637 inches (66.98 mm) ensuring accurate fitment
• Brake pilot diameter of 2.833 inches (71.97 mm) for proper brake component alignment
• Five wheel studs for robust wheel mounting
• Driven drive type optimized for powered axle applications
• Flange diameter of 5.499 inches (139.68 mm) for compatibility with OEM components
• Bolt circle diameter of 4.509 inches (114.53 mm) matching factory specifications

Technical Details and Specifications

The Timken HA590286K wheel bearing and hub assembly features a 28-spline design that ensures a secure connection to the drivetrain, critical for maintaining torque transfer and wheel stability. The wheel pilot diameter measures 2.637 inches (66.98 mm), providing precise centering of the wheel hub to the axle. Brake pilot diameters of 2.833 inches (71.97 mm) allow for proper alignment of brake rotors or drums, reducing vibration and wear. This assembly includes five wheel studs arranged on a bolt circle diameter of 4.509 inches (114.53 mm), matching the factory wheel mounting pattern for the Ford Escape, Mazda Tribute, and Mercury Mariner. The flange diameter of 5.499 inches (139.68 mm) ensures compatibility with OEM suspension and brake components. Designed as a driven hub, it is intended for powered axle applications, supporting vehicle drivability and safety.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with the following vehicles:

• Ford Escape
• Mazda Tribute
• Mercury Mariner

Use the Timken HA590286K for replacement or repair of worn or damaged wheel bearing and hub assemblies on these models to restore proper wheel function and driveline performance.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise caused by wear or damage
• Resolves wheel wobble or play affecting vehicle handling
• Prevents uneven brake rotor wear due to misalignment
• Restores proper wheel mounting and torque transfer
• Improves driveline reliability on powered axles

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Clean the axle shaft and mounting surfaces to remove debris or corrosion. Verify spline engagement and alignment of the wheel pilot and brake pilot diameters during assembly. Torque wheel studs to manufacturer specifications to avoid premature wear or failure. It is recommended to inspect related suspension and brake components during installation for optimal performance.

Quality Assurance and Warranty

Timken manufactures the HA590286K wheel bearing and hub assembly to meet strict OEM standards for durability and performance. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship. Refer to Timken’s official warranty documentation for precise terms and conditions.