Timken SP550219 Wheel Bearing and Hub Assembly - Front

Timken SP550219 Wheel Bearing and Hub Assembly Overview

The Timken SP550219 wheel bearing and hub assembly is engineered for reliable performance in Ford and Lincoln vehicles, including the Expedition, F-150, and Navigator models. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your driveline system.

• 45 spline quantity for secure drivetrain connection
• 4 flange bolt holes and 6 wheel studs for stable 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
• Driven type assembly designed for direct power transfer
• Flange offset measurements of 1.811 inches and 46.00 mm to maintain proper wheel clearance
• Flange diameter of 183.00 mm (7.205 inches) and bolt circle diameter of 135.00 mm (5.315 inches) for compatibility with OEM specifications

Detailed Product Description

The Timken SP550219 wheel bearing and hub assembly is a critical component in the driveline and axles category, specifically designed for Ford Expedition, F-150, and Lincoln Navigator vehicles. This assembly features a 45 spline count, ensuring a secure and precise connection to the drivetrain. The flange includes 4 bolt holes and 6 wheel studs, providing a robust mounting platform for wheels and brake components.

With carefully measured wheel pilot diameters of 3.417 inches and 86.80 mm, and brake pilot diameters of 3.544 inches and 90.03 mm, this hub assembly supports accurate alignment and fitment of wheels and brakes. The hub pilot diameters of 3.911 inches and 99.34 mm further enhance the stability and positioning of the hub on the axle.

The driven type design facilitates efficient power transfer from the axle to the wheel, while the flange offset of 1.811 inches (46.00 mm) and flange diameter of 183.00 mm (7.205 inches) maintain proper wheel clearance and compatibility with OEM wheel specifications. The bolt circle diameter of 135.00 mm (5.315 inches) matches factory standards for secure installation.

Common Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford Expedition, F-150, and Lincoln Navigator
• Resolves wheel vibration or noise caused by bearing wear
• Addresses wheel hub looseness or play affecting vehicle handling
• Corrects brake rotor misalignment due to hub pilot wear
• Prevents premature tire wear related to hub assembly issues

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use proper torque specifications for flange bolts and wheel studs
• Inspect axle splines and mating surfaces for wear prior to assembly
• Clean mounting surfaces to prevent contamination and ensure proper fit
• Verify wheel pilot and brake pilot diameters match OEM components

Quality Assurance and Warranty

Timken manufactures the SP550219 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Timken's commitment to engineering precision and material integrity. Please refer to Timken's official warranty documentation for specific coverage details.