Timken SP550210 Wheel Bearing and Hub Assembly - Front

Timken SP550210 Wheel Bearing and Hub Assembly Overview

The Timken SP550210 wheel bearing and hub assembly is engineered for reliable performance in Ford Expedition and Lincoln Navigator vehicles. Designed to meet precise specifications, this driven hub assembly ensures proper fitment and durability for your driveline system.

• 45 spline quantity for secure drivetrain connection
• 4 flange bolt holes with a 135 mm (5.315 inch) bolt circle diameter
• 6 wheel studs for stable wheel mounting
• Wheel pilot diameters of 3.417 inches and 86.80 mm for accurate wheel alignment
• Brake pilot diameters of 3.544 inches and 90.03 mm to support brake component fitment
• Hub pilot diameters of 3.911 inches and 99.34 mm for precise hub centering
• Flange diameter of 183 mm (7.205 inches) with a flange offset of 1.811 inches (46.00 mm)
• Designed as a driven type hub assembly for optimal driveline integration

Detailed Product Description

The Timken SP550210 is a wheel bearing and hub assembly specifically designed for the driveline and axle systems of Ford Expedition and Lincoln Navigator models. This assembly features a 45-spline driven hub that ensures a secure connection to the axle shaft, supporting torque transfer and vehicle stability. The flange includes 4 bolt holes arranged on a 135 mm bolt circle diameter, providing a robust mounting surface for the wheel and brake components.

Wheel pilot diameters of 3.417 inches and 86.80 mm help maintain proper wheel positioning, while the brake pilot diameters of 3.544 inches and 90.03 mm ensure compatibility with brake rotors. The hub pilot diameters of 3.911 inches and 99.34 mm center the hub assembly accurately on the axle, reducing vibration and wear. The flange offset of 1.811 inches (46.00 mm) and flange diameter of 183 mm (7.205 inches) are engineered to match factory specifications for these vehicle models.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford Expedition and Lincoln Navigator
• Eliminates wheel vibration and noise caused by bearing wear
• Restores proper wheel alignment and brake rotor fitment
• Addresses issues with uneven tire wear due to hub misalignment
• Prevents axle shaft damage by maintaining secure spline engagement

Installation Notes and Tips

• Ensure compatibility with your specific Ford Expedition or Lincoln Navigator model year before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle shaft splines for damage prior to assembly
• Clean mounting surfaces thoroughly to ensure proper hub seating
• Verify wheel pilot and brake pilot diameters match replacement components

Quality Assurance and Warranty

Timken manufactures the SP550210 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 your replacement component.