Timken SP550218 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for Ford and Lincoln

Timken SP550218 is a rear wheel bearing and hub assembly for select 2011-2014 Ford Expedition and 2011-2014 Lincoln Navigator applications. Built with OE-developed testing and precision bearing construction, it supports smoother wheel rotation, reduced noise, and stable braking performance.

Key Features

• Rear driven hub bearing assembly for select Ford Expedition and Lincoln Navigator models
• 33-spline driven design
• 6 wheel studs with a 5.323-inch bolt circle diameter
• 4 flange bolt holes for secure mounting
• Precision bearing profiles and uniform internal geometry for load support and service life
• Low runout construction helps reduce vibration and wheel-end noise
• Premium seal design helps resist contamination and support seal life
• 100% tested ABS sensor monitors wheel speed for anti-lock braking systems

Detailed Description

Timken SP550218 is engineered as a rear hub assembly for 2011-2014 Ford Expedition and 2011-2014 Lincoln Navigator vehicles. It features a driven hub design with 33 splines, a 3.911-inch hub pilot diameter, a 3.424-inch wheel pilot diameter, and a 3.543-inch brake pilot diameter. The assembly also includes a 7.198-inch flange diameter and 2.187-inch flange offset to match the specified rear application.

Timken uses OE-developed validation methods to control the design, materials, and manufacturing process of its hub bearing assemblies. The result is a wheel bearing and hub assembly built for consistent fit and dependable wheel-end performance. This part cross-references MOOG 541013 and SKF BR930789 for the same application.

What This Part Helps Address

• Rear wheel bearing noise on a Ford Expedition or Lincoln Navigator
• Wheel-end vibration caused by excessive hub runout
• ABS warning concerns related to wheel speed signal issues
• Uneven braking feel from worn hub bearing components
• Loose or unstable rear wheel support from a failing hub assembly

Installation Notes and Tips

Confirm rear fitment by year, make, and model before installation. Verify spline count, bolt pattern, pilot diameters, and flange dimensions against the original part. Inspect the mating surfaces, axle interface, and ABS connector condition during replacement to help ensure proper seating and sensor operation. For 2011-2014 Ford Expedition rear hub replacement or 2011-2014 Lincoln Navigator rear wheel bearing service, match the vehicle’s original configuration before final assembly.

Quality Assurance

Timken hub assemblies are manufactured using OE-developed testing and controlled production methods. Premium seals, precision bearing surfaces, and tested ABS sensing support consistent wheel-end performance in the specified applications. Part number SP550218 is built to Timken’s hub assembly standards for the listed rear fitments.