Notice - This wheel bearing Only Fits for Rear Position Kit Includes- 2 x Wheel Hub and Bearing Assembly Replacement: Ford Expedition 2007 - 2010Lincoln Navigator 2007 - 2010 Specification Bolt Circle Diameter (IN) 5.323Bolt Circle Diameter (MM) 135.000Brake Pilot Diameter (MM) 90.000Flange Bolt Hole Quantity 4Flange Diameter (MM) 182.800Flange Offset (MM) 55.500Flange Shape ModifiedHub Pilot Diameter (MM) 99.300Spline Quantity 33Wheel Pilot Diameter (MM) 86.800Wheel Stud Quantity 6 Seals Design Multi-lip Design Configuration and Extreme Temperature Seal Materials Keep Dirty out to Effectively Provide Smooth and Safe Driving. Maintenance-Free Our Wheel Bearings are Designed to be Totally Maintenance-Free. Since They are Filled with Grease Which will Provide Sufficient Lubrication for the Rolling Elements for the Entire Service Life of the Wheel Bearing. Meet OEM Quality Vibration-Free Wheel Bearing and Hub Assemblies are Machined to Meet Optimun Performance. Also Improved Those Traditional Design Weaknesses. Precision Processes The Manufacturing Processes Used to Work Quality Steel into a Finished Product Includes Forging, Turning, Heat-Treating, Grinding and Polishing; They are Critical to the Quality of the End Product. The Symptoms of Bad Wheel Bearings Include: -Noise: A Humming, Rumbling or Growling Noise that Increases with Acceleration or as the Vehicle Turns. A Loud Constant Whining or Grinding Noise When the Vehicle is in Motion. Clunking Noises When Driving Over Uneven Road Surfaces. -Looseness, Excessive Play in the Steering Wheel (Vague Steering); -Steering Wheel Vibration Which Changes with the Vehicle Speed or As the Vehicle Turns; ABS Malfunctioning, Warning Light. ABS System Issues Can Be Related to Failure of the ABS Sensor That is Integrated in the Wheel End Bearing.