Timken SP550208 Wheel Bearing and Hub Assembly - Front

Timken SP550208 Wheel Bearing and Hub Assembly Overview

The Timken SP550208 wheel bearing and hub assembly is engineered for reliable driveline performance in Ford F-150 and Lincoln Mark LT trucks. Designed to meet precise specifications, this assembly ensures proper fitment and durability for driven axle applications.

• 45 spline quantity for secure axle engagement
• 4 flange bolt holes with a 150 mm (5.906 inch) bolt circle diameter
• 7 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 positioning
• Flange diameter of 190 mm (7.480 inches) with a flange offset of 1.811 inches (46.00 mm)
• Designed for driven axle applications

Detailed Product Description

The Timken SP550208 wheel bearing and hub assembly is specifically designed for use on Ford F-150 and Lincoln Mark LT models, providing a direct replacement for the original equipment. The assembly features a 45-spline axle interface, ensuring a secure connection to the drivetrain. Its 4-bolt flange with a 150 mm bolt circle diameter and 7 wheel studs provide a stable mounting platform for wheels, supporting safe and consistent vehicle operation. The multiple pilot diameters for the wheel, brake, and hub components ensure precise alignment and fitment, reducing vibration and wear. The flange offset and diameter are engineered to maintain proper wheel positioning relative to the suspension and brake system.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford F-150 and Lincoln Mark LT
• Eliminates wheel vibration caused by bearing wear or hub misalignment
• Resolves noise issues related to failing wheel bearings
• Restores proper wheel mounting and brake component alignment
• Addresses axle spline wear affecting driveline engagement

Installation Notes and Tips

• Ensure compatibility with Ford F-150 and Lincoln Mark LT models before installation
• Use proper torque specifications for flange bolts and wheel studs to avoid premature wear
• Inspect axle splines and surrounding components for damage prior to assembly
• Clean mounting surfaces thoroughly to ensure accurate pilot fitment
• Verify wheel and brake pilot diameters match vehicle specifications for optimal fit

Quality Assurance and Warranty

Timken manufactures the SP550208 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Timken's warranty coverage, which protects against defects in materials and workmanship under normal use. Always refer to Timken's official warranty documentation for specific terms and conditions.