National JLM506849 Wheel Bearing - Front Inner, Rear Inner or Rear Outer

National JLM506849 Wheel Bearing Cone Overview

The National JLM506849 is a precision-engineered taper bearing cone designed for driveline and axle applications. This wheel bearing cone is compatible with select Chevrolet, Dodge, Lexus, Maserati, and Toyota models, including the Land Cruiser, LX470, P30, Quattroporte, and Ram 2500.

• Cone bore diameter: 2.1654 inches (55.0010 mm)
• Cone length: 0.9055 inches (23.0000 mm)
• Cone radius: 0.0600 inches (1.5240 mm)
• Part type: Taper bearing cone
• Part number: JLM506849

Technical Specifications and Design Details

The National JLM506849 wheel bearing cone features a cone bore measuring 2.1654 inches (55.0010 mm), providing a precise fit for the corresponding bearing cup. Its cone length of 0.9055 inches (23.0000 mm) ensures proper engagement and load distribution within the wheel hub assembly. The cone radius of 0.0600 inches (1.5240 mm) contributes to smooth rotation and reduced friction during operation. This taper bearing cone is manufactured to meet strict dimensional tolerances, ensuring reliable performance in demanding driveline environments.

Compatible Vehicles and Applications

This wheel bearing cone is compatible with a range of vehicles, including Chevrolet models such as the P30, Dodge Ram 2500, Lexus LX470, Toyota Land Cruiser, and Maserati Quattroporte. The National JLM506849 is suitable for use in driveline and axle assemblies where precise bearing fitment is critical for vehicle safety and performance.

Common Issues Addressed by the JLM506849 Wheel Bearing Cone

• Eliminates wheel bearing noise caused by worn or damaged cones
• Prevents premature bearing failure due to improper fit or wear
• Restores proper bearing preload and alignment in the hub assembly
• Reduces vibration and uneven tire wear linked to bearing issues
• Supports smooth wheel rotation and driveline efficiency

Installation Notes and Tips

When installing the National JLM506849 wheel bearing cone, ensure the bearing surfaces are clean and free of debris. Use appropriate tools to press the cone into the hub assembly without damaging the bearing surfaces. Verify the cone bore and length dimensions match the vehicle specifications for the Chevrolet P30, Dodge Ram 2500, Lexus LX470, Toyota Land Cruiser, or Maserati Quattroporte. Proper torque settings should be applied to maintain bearing preload and prevent loosening during operation.

Quality Assurance and Warranty Information

National manufactures the JLM506849 wheel bearing cone to meet industry standards for durability and precision. Each part undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability for driveline and axle applications.