Timken SP550206 Wheel Bearing and Hub Assembly - Front

Timken SP550206 Wheel Bearing and Hub Assembly Overview

The Timken SP550206 wheel bearing and hub assembly is engineered for reliable performance in Ford Expedition and Lincoln Navigator vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for your driveline system.

• Compatible with Ford Expedition and Lincoln Navigator models
• Non-driven wheel bearing and hub assembly
• 6 wheel studs for secure wheel mounting
• 4 flange bolt holes with a 135 mm bolt circle diameter
• Flange diameter of 183.5 mm and flange offset of 46 mm
• Multiple pilot diameters for wheel, brake, and hub alignment

Detailed Specifications and Features

The Timken SP550206 features a 6-stud wheel configuration and 4 flange bolt holes, providing a secure and stable connection to the vehicle’s hub. The flange diameter measures 183.5 mm (7.224 inches) with a flange offset of 46 mm (1.811 inches), ensuring proper alignment and fitment. The bolt circle diameter is 135 mm (5.315 inches), matching the factory specifications for the Ford Expedition and Lincoln Navigator. This assembly includes precise pilot diameters for the wheel (86.80 mm / 3.417 inches), brake (90.03 mm / 3.544 inches), and hub (99.34 mm / 3.911 inches), which help maintain proper centering and reduce vibration during operation.

Applications and Problem Resolution

This wheel bearing and hub assembly is designed for use in the front or rear non-driven axles of Ford Expedition and Lincoln Navigator vehicles. It addresses common issues such as:

• Wheel bearing noise or roughness
• Excessive wheel play or looseness
• Uneven tire wear due to hub misalignment
• Brake rotor wobble caused by worn hub pilots
• Vibration or steering instability at higher speeds

Installation Notes and Tips

When installing the Timken SP550206, ensure the hub and bearing surfaces are clean and free of debris. Use the correct torque specifications for the 4 flange bolts and 6 wheel studs to avoid premature wear or damage. Verify the flange offset and bolt circle diameter match the vehicle’s factory specifications to maintain proper wheel alignment. It is recommended to inspect related components such as axle shafts and brake rotors during installation for any signs of wear.

Quality Assurance and Warranty

Timken manufactures the SP550206 wheel bearing and hub assembly to meet or exceed OEM standards for durability and performance. This part is backed by Timken’s quality assurance processes, ensuring consistent reliability. Please refer to Timken’s official warranty policy for specific coverage details.