National JM207049A Wheel Bearing - Front Inner

National JM207049A Wheel Bearing Cone Overview

The National JM207049A is a precision-engineered taper bearing cone designed for driveline and axle applications. This wheel bearing component is essential for maintaining smooth wheel rotation and vehicle stability, particularly in vehicles requiring exact fitment specifications.

• Cone bore diameter: 2.1650 inches (54.9910 mm)
• Cone length: 1.1420 inches (29.0070 mm)
• Cone radius: 0.2400 inches (6.0960 mm)
• Part type: Taper bearing cone
• Part number: JM207049A

Detailed Specifications and Design

The National JM207049A wheel bearing cone features a cone bore measuring 2.1650 inches (54.9910 mm), ensuring precise fitment within compatible hub assemblies. Its cone length of 1.1420 inches (29.0070 mm) and cone radius of 0.2400 inches (6.0960 mm) are engineered to provide optimal load distribution and durability under typical driving conditions. This taper bearing cone is manufactured to meet stringent quality standards, making it suitable for use in various driveline and axle configurations.

Compatible Vehicles and Applications

This wheel bearing cone is compatible with a range of vehicles requiring a 2.1650-inch cone bore diameter and matching dimensions. It is commonly used in automotive makes and models that specify National JM207049A or equivalent part numbers for their wheel bearing assemblies. For example, it is suitable for certain Ford, Chevrolet, and Dodge models that require this specific taper bearing cone size.

• Eliminates wheel bearing noise and roughness
• Prevents premature bearing wear and failure
• Restores proper wheel hub alignment
• Reduces vibration and improves ride quality
• Supports safe and stable vehicle handling

Installation Notes and Tips

When installing the National JM207049A wheel bearing cone, ensure the bearing surfaces are clean and free of debris. Proper lubrication with the recommended grease is critical to prevent premature wear. Use appropriate tools to press the cone into the hub assembly without causing damage. Verify fitment against vehicle specifications before installation to confirm compatibility.

Quality Assurance and Warranty

National manufactures the JM207049A wheel bearing cone to meet industry standards for durability and performance. While specific warranty details are not provided, National products typically undergo rigorous quality control to ensure reliability in automotive applications. Consult vehicle service manuals and National’s technical resources for additional support.