National LM104912 Wheel Bearing Race - Front Inner or Rear

Overview of National LM104912 Wheel Bearing Race

The National LM104912 wheel bearing race is a precision-engineered taper bearing cup designed for driveline and axle applications. This component is compatible with various Chrysler, Dodge, and Nissan models, providing reliable performance and fitment.

• Part Number: LM104912
• Brand: National
• Category: Wheel Bearing Race (Taper Bearing Cup)
• Cup Bore Diameter: 3.2650 inches (82.9310 mm)
• Cup Length: 0.6500 inches (16.5100 mm)
• Cup Radius: 0.0500 inches (1.2700 mm)

Technical Specifications and Features

This National wheel bearing race features a cup bore diameter of 3.2650 inches (82.9310 mm), ensuring precise fitment within the hub assembly. The cup length measures 0.6500 inches (16.5100 mm), providing adequate surface area for bearing support. The cup radius of 0.0500 inches (1.2700 mm) is designed to accommodate the taper bearing geometry, promoting smooth rotation and load distribution.

Compatible Vehicles and Applications

The LM104912 wheel bearing race is compatible with a range of Chrysler, Dodge, and Nissan vehicles, including models such as the Chrysler 300, Dodge Challenger, Dodge Ramcharger, Nissan 720, and others like the B100, B200, D100, Dart, Imperial, Monaco, Newport, New Yorker, Town & Country, and W100. This part is suitable for driveline and axle maintenance or repair where the original taper bearing cup requires replacement.

Common Issues Addressed by LM104912 Wheel Bearing Race

• Eliminates wheel bearing noise caused by worn or damaged bearing cups
• Prevents premature bearing failure due to improper fit or wear
• Restores proper bearing alignment and load distribution
• Reduces vibration and improves wheel hub stability
• Supports safe and reliable driveline operation

Installation Notes and Tips

• Ensure the hub and spindle surfaces are clean and free of debris before installation
• Use appropriate tools to press the bearing race evenly into the hub bore
• Verify the cup bore diameter and length match OEM specifications for the vehicle
• Apply recommended lubrication to the bearing surfaces during assembly
• Check for proper seating and alignment after installation to avoid premature wear

Quality Assurance and Warranty

National wheel bearing races are manufactured to meet industry standards for durability and precision. The LM104912 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 support long-term reliability in automotive driveline applications.