National 13685 Wheel Bearing - Front Inner

Overview of National 13685 Taper Bearing Cone

The National 13685 wheel bearing cone is engineered for driveline and axle applications requiring precise fit and durability. Designed with specific dimensions, this taper bearing cone supports reliable wheel rotation and axle performance in various vehicle makes and models.

• Cone Bore Diameter: 1.5000 inches (38.1 mm)
• Cone Length: 0.7500 inches (19.05 mm)
• Cone Radius: 0.1400 inches (3.556 mm)
• Part Type: Taper Bearing Cone
• Part Number: 13685

Detailed Specifications and Design

The National 13685 taper bearing cone features a cone bore diameter of 1.5 inches (38.1 mm), ensuring compatibility with axle shafts requiring this precise measurement. The cone length of 0.75 inches (19.05 mm) and cone radius of 0.14 inches (3.556 mm) contribute to the bearing's ability to maintain proper alignment and load distribution. This part is critical in maintaining the integrity of the wheel bearing assembly, reducing friction and wear during vehicle operation.

Compatible Vehicle Applications

This wheel bearing cone is compatible with a range of vehicles that utilize National wheel bearing components with similar specifications. It is commonly used in driveline and axle assemblies for domestic and import vehicles requiring a 1.5-inch cone bore. For example, it fits certain models of Ford, Chevrolet, and Dodge trucks and SUVs where National bearings are specified. Always verify fitment with your vehicle’s service manual or parts catalog using part number 13685.

Common Issues Addressed by National 13685

• Excessive wheel bearing play or looseness
• Noise or roughness from worn bearing cones
• Uneven tire wear due to bearing misalignment
• Vibration or wobble in the wheel assembly
• Preventing premature axle or hub damage

Installation Notes and Tips

When installing the National 13685 taper bearing cone, ensure the cone bore and shaft are clean and free of debris. Proper lubrication with high-quality wheel bearing grease is essential to prevent premature wear. Use appropriate tools to press the cone onto the axle shaft without damaging the bearing surfaces. Verify correct preload and torque specifications as outlined in the vehicle’s service manual to ensure optimal performance.

Quality Assurance and Warranty

National wheel bearing components, including part number 13685, are manufactured to meet industry standards for durability and precision. While specific warranty details may vary, National typically offers coverage against manufacturing defects. Consult the product documentation or National’s official resources for warranty terms applicable to this taper bearing cone.