National LM501349 Automatic Transmission Differential Bearing - Front or Rear

Overview of National LM501349 Automatic Transmission Differential Bearing

The National LM501349 is a precision-engineered automatic transmission differential bearing designed for reliable performance in a wide range of vehicles. This taper bearing cone is built to exact specifications, ensuring proper fit and function in transmissions of popular makes such as Chevrolet, Ford, Honda, and Jeep.

• Part Number: LM501349
• Brand: National
• Category: Transmission Bearings
• Cone Bore Diameter: 1.6250 inches (41.2750 mm)
• Cone Length: 0.7800 inches (19.8120 mm)
• Cone Radius: 0.1400 inches (3.5560 mm)
• Part Type: Taper Bearing Cone for Automatic Transmission Differentials

Technical Specifications and Features

The LM501349 bearing cone features a cone bore diameter of 1.6250 inches (41.2750 mm), which is critical for ensuring a precise fit within the transmission assembly. Its cone length measures 0.7800 inches (19.8120 mm), providing the necessary surface area for load distribution and durability. The cone radius of 0.1400 inches (3.5560 mm) supports smooth rotational movement and reduces wear over time. Manufactured by National, this bearing cone meets OEM standards for quality and dimensional accuracy.

Compatible Vehicles and Applications

This automatic transmission differential bearing is compatible with a broad range of vehicle makes and models, including Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Hummer, Hyundai, Isuzu, Jaguar, Jeep, Kia, Lincoln, Maserati, Mazda, Mercury, Mitsubishi, Oldsmobile, Plymouth, Pontiac, Saab, and Volvo. It fits various models such as the Chevrolet Silverado 1500, Ford F-150, Honda Pilot, Jeep Wrangler, and Cadillac Escalade, among others. The LM501349 is suitable for use in automatic transmission differentials where a taper bearing cone is required.

Common Issues Addressed by LM501349 Bearing Cone

• Eliminates excessive play or looseness in the transmission differential
• Reduces noise caused by worn or damaged bearings
• Prevents premature wear of transmission components due to improper bearing fit
• Improves smoothness and reliability of gear engagement
• Restores proper alignment and load distribution within the differential

Installation Notes and Tips

When installing the National LM501349 bearing cone, ensure the transmission differential housing is clean and free of debris. Verify the cone bore and length dimensions match the original bearing specifications. Use appropriate tools to press the bearing cone into place without causing damage. Lubricate the bearing surfaces as recommended by the vehicle manufacturer to promote longevity and optimal performance. It is advisable to inspect related transmission components during installation for signs of wear or damage.

Quality Assurance and Warranty

National manufactures the LM501349 bearing cone to meet stringent quality standards, ensuring durability and consistent performance in demanding transmission applications. While specific warranty details may vary, National products typically come with a limited warranty against defects in materials and workmanship. This bearing cone is engineered to provide reliable service life when installed and maintained according to manufacturer guidelines.