National 517014 Wheel Bearing - Front

National 517014 Wheel Bearing Overview

The National 517014 wheel bearing is engineered for reliable performance in Ford F-150 and Lincoln Mark LT vehicles. Designed to meet precise specifications, this wheel bearing ensures smooth wheel rotation and durability under demanding driving conditions.

• Bore diameter: 1.7717 to 1.772 inches (45.000 mm)
• Cone length: 1.0039 inches (25.5 mm)
• Cup length: 2.0079 inches (51 mm)
• Outer race width: 2.008 inches (51 mm)
• Outside diameter: 3.346 inches (85 mm)
• Design: Gen1 series 517000

Technical Specifications and Design Details

This National wheel bearing, part number 517014, features a Gen1 design optimized for driveline and axle applications. The precise bore diameter of approximately 1.772 inches (45 mm) ensures a secure fit on the axle shaft. The cone length of 1.0039 inches (25.5 mm) and cup length of 2.0079 inches (51 mm) provide the correct axial spacing and support for the bearing assembly. With an outside diameter of 3.346 inches (85 mm) and an outer race width of 2.008 inches (51 mm), this bearing is engineered to maintain proper alignment and load distribution for the wheel hub assembly.

Compatible Vehicles and Applications

This wheel bearing is compatible with the following vehicles:

• Ford F-150
• Lincoln Mark LT

It is designed specifically for these models to ensure proper fitment and performance in the driveline and axle system.

Common Issues Addressed by National 517014 Wheel Bearing

• Eliminates wheel hub noise caused by worn or damaged bearings
• Prevents wheel wobble and vibration during driving
• Reduces uneven tire wear due to improper wheel alignment
• Restores smooth wheel rotation and handling stability
• Helps maintain proper axle load support and driveline integrity

Installation Notes and Tips

When installing the National 517014 wheel bearing, ensure the following:

• Clean the hub and axle shaft thoroughly before installation
• Verify the bore diameter matches the axle shaft to avoid fitment issues
• Use proper tools to press the bearing into place without damaging the cone or cup
• Check for correct seating of the bearing and proper torque on retaining components
• Inspect seals and replace if necessary to prevent contamination

Quality Assurance and Warranty

National wheel bearings are manufactured to meet industry standards for durability and performance. The 517014 bearing is part of the 517000 series, designed with Gen1 technology to provide consistent quality. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in their product.