National 110-L Transfer Case Input Shaft Bearing

Overview of National 110-L Transfer Case Input Shaft Bearing

The National 110-L transfer case input shaft bearing is engineered for reliable performance in a variety of vehicles including Chevrolet, GMC, Jeep, and Ram models. Designed as a single row radial ball bearing, it supports smooth rotation and durability in demanding transfer case applications.

• Single row radial design for efficient load handling
• Precision bore diameter of 1.969 inches (50 mm)
• Outer diameter of 3.150 inches (80 mm) for secure fitment
• Width of 0.630 inches (16 mm) ensuring proper shaft support
• Compatible with multiple makes and models including Chevrolet Silverado 1500, Jeep Grand Cherokee, and Ram 1500

Technical Specifications and Design Details

The 110-L bearing features a single row radial ball bearing design optimized for transfer case input shafts. It has an inner race bore diameter of 1.969 inches (50 mm) and an outer race diameter of 3.150 inches (80 mm), both with a radius of 0.040 inches (1.020 mm). The bearing width is 0.630 inches (16 mm), providing a balanced profile for load distribution and shaft alignment. This bearing is part of National's 100 series and classified as type A-10, ensuring compatibility with a wide range of transfer case assemblies.

Compatible Vehicles and Applications

This transfer case input shaft bearing is compatible with various models from Cadillac, Chevrolet, Chrysler, Dodge, GMC, Hummer, Isuzu, Jeep, Mitsubishi, and Ram. Notable fitments include Chevrolet Avalanche 1500, GMC Sierra 1500 Classic, Jeep Wrangler TJ, Ram 2500, and Cadillac Escalade EXT. The National 110-L bearing is designed to meet the demands of these vehicles' transfer cases, providing reliable support for input shaft rotation.

Common Issues Addressed by the 110-L Bearing

• Eliminates excessive input shaft play and vibration
• Reduces transfer case noise caused by worn bearings
• Prevents premature wear of transfer case components
• Improves smoothness of power transfer to drivetrain
• Supports proper alignment of input shaft under load

Installation Notes and Tips

Ensure the transfer case is clean and free of debris before installing the National 110-L bearing. Use appropriate tools to press the bearing onto the input shaft without applying excessive force that could damage the races. Verify correct orientation and seating within the transfer case housing. Lubricate the bearing as specified by the vehicle manufacturer to maintain optimal performance and longevity.

Quality Assurance and Warranty Information

National bearings are manufactured to meet industry standards for durability and precision. The 110-L transfer case input shaft bearing undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability.