Timken SP550222 Wheel Bearing and Hub Assembly - Front

Timken SP550222 Wheel Bearing and Hub Assembly Overview

The Timken SP550222 wheel bearing and hub assembly is engineered for reliable performance on Ford F-150 trucks. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for your vehicle's driveline system.

• 45 spline quantity for secure axle engagement
• 4 flange bolt holes with a 135 mm (5.315 inch) bolt circle diameter
• 6 wheel studs for stable wheel mounting
• Wheel pilot diameter of 86.80 mm (3.417 inches) and brake pilot diameter of 90.03 mm (3.544 inches)
• Hub pilot diameter of 99.34 mm (3.911 inches) for accurate hub alignment
• Flange diameter of 183 mm (7.205 inches) with a flange offset of 46 mm (1.811 inches)
• Designed as a driven hub for proper torque transfer

Detailed Product Description

The Timken SP550222 wheel bearing and hub assembly is specifically designed for the Ford F-150, providing a precise fit with its 45 spline driven design. The assembly features a 4-bolt flange with a 135 mm bolt circle diameter, ensuring secure attachment to the axle. Six wheel studs provide a stable mounting surface for the wheel, while the wheel pilot diameter of 86.80 mm and brake pilot diameter of 90.03 mm ensure proper centering of the wheel and brake components. The hub pilot diameter of 99.34 mm supports accurate hub alignment, reducing vibration and wear. With a flange diameter of 183 mm and an offset of 46 mm, this assembly maintains correct positioning relative to the vehicle’s suspension and braking system.

Compatible Vehicles and Applications

This Timken SP550222 wheel bearing and hub assembly is compatible with Ford F-150 models requiring a driven hub with the specified spline count and bolt pattern. It is suitable for use in driveline and axle repairs where the original equipment hub assembly needs replacement.

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble or play issues
• Corrects uneven tire wear caused by hub misalignment
• Restores proper wheel and brake component centering
• Addresses ABS sensor or hub-related warning lights

Installation Notes and Tips

When installing the Timken SP550222, ensure the vehicle is securely lifted and supported. Verify the spline count and bolt pattern match the axle and wheel hub. Clean mounting surfaces thoroughly before installation to prevent contamination. Torque flange bolts and wheel studs to manufacturer specifications. It is recommended to inspect related components such as axle shafts and brake rotors during installation.

Quality Assurance and Warranty

Timken manufactures the SP550222 wheel bearing and hub assembly to meet strict quality standards for durability and performance. This part undergoes rigorous testing to ensure proper fit and function. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship. Consult product documentation or Timken directly for warranty terms applicable to this part number.