Timken SP550220 Wheel Bearing and Hub Assembly - Front

Timken SP550220 Wheel Bearing and Hub Assembly Overview

The Timken SP550220 wheel bearing and hub assembly is designed for reliable performance in Ford and Lincoln vehicles, including the Expedition, F-150, and Navigator models. This non-driven hub assembly offers precise fitment and durability for driveline and axle applications.

• Non-driven wheel bearing and hub assembly
• 6 wheel studs for secure wheel mounting
• 4 flange bolt holes ensuring proper attachment
• Flange diameter of 183.00 mm (7.205 inches)
• Bolt circle diameter of 165.10 mm (6.500 inches)
• Multiple pilot diameters for wheel, brake, and hub alignment
• Flange offset of 46.00 mm (1.811 inches) for correct positioning

Detailed Specifications and Features

The Timken SP550220 features a flange diameter of 183.00 mm and a bolt circle diameter of 165.10 mm, providing a precise fit for compatible Ford and Lincoln models. It includes 6 wheel studs and 4 flange bolt holes to ensure secure wheel attachment. The assembly has multiple pilot diameters: wheel pilot diameters of 86.80 mm and 3.417 inches, brake pilot diameters of 122.18 mm and 4.810 inches, and hub pilot diameters of 99.34 mm and 3.911 inches. These measurements contribute to accurate alignment and smooth operation. The flange offset of 46.00 mm (1.811 inches) positions the hub correctly relative to the axle, supporting proper wheel geometry and handling.

Compatible Vehicles and Applications

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

• Ford Expedition
• Ford F-150
• Lincoln Navigator

It is designed specifically for non-driven axle applications in these models, ensuring proper fit and function.

Common Issues Addressed by Timken SP550220

• Wheel bearing noise or roughness during driving
• Excessive wheel play or looseness
• Vibration or wobbling at the wheel
• Uneven brake wear due to misalignment
• Difficulty maintaining proper wheel alignment

Installation Notes and Tips

When installing the Timken SP550220 wheel bearing and hub assembly, ensure the flange bolt holes and wheel studs align correctly with the vehicle hub. Use proper torque specifications for flange bolts and wheel studs to avoid premature wear. Verify the pilot diameters match the vehicle’s wheel and brake components for accurate fitment. It is recommended to inspect related components such as axle shafts and brake rotors during installation.

Quality Assurance and Warranty

Timken manufactures the SP550220 assembly to meet OEM standards for durability and performance. While specific warranty details should be confirmed at the point of purchase, Timken products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the product’s reliability for Ford Expedition, F-150, and Lincoln Navigator applications.