National 15126 Transfer Case Output Shaft Bearing - Rear

Overview of National Transfer Case Output Shaft Bearing 15126

The National 15126 transfer case output shaft bearing is engineered for reliable performance in select Chevrolet and GMC models. Designed as a taper bearing cone, this component supports smooth transfer case operation in vehicles such as the Chevrolet Blazer and GMC Jimmy.

• Compatible with Chevrolet Blazer, GMC Jimmy, K10 Suburban, and K20 Suburban
• Cone bore diameter: 1.2500 inches (31.75 mm)
• Cone length: 0.8125 inches (20.638 mm)
• Cone radius: 0.0310 inches (0.787 mm)
• Part number 15126 for precise identification

Technical Specifications and Features

This National transfer case output shaft bearing features a taper bearing cone design, which is critical for maintaining proper alignment and load distribution within the transfer case assembly. The cone bore measures 1.2500 inches (31.75 mm), ensuring a precise fit on the output shaft. With a cone length of 0.8125 inches (20.638 mm) and a cone radius of 0.0310 inches (0.787 mm), this bearing supports smooth rotational movement and reduces wear on transfer case components.

Application and Vehicle Compatibility

Part number 15126 is specifically compatible with transfer cases in Chevrolet and GMC trucks and SUVs, including the Chevrolet Blazer, GMC Jimmy, K10 Suburban, and K20 Suburban models. This bearing is designed to replace worn or damaged output shaft bearings, restoring proper function to the transfer case and improving drivetrain reliability.

• Eliminates transfer case noise caused by worn bearings
• Prevents excessive play in the output shaft
• Reduces vibration and harshness during vehicle operation
• Helps maintain proper transfer case gear alignment
• Addresses premature bearing failure due to wear or contamination

Installation Notes and Tips

When installing the National 15126 transfer case output shaft bearing, ensure the transfer case is clean and free of debris. Proper lubrication of the bearing and mating surfaces is essential to prevent premature wear. Use appropriate tools to press the bearing cone onto the output shaft without causing damage. Verify correct seating and alignment before reassembling the transfer case.

Quality Assurance and Warranty

National bearings are manufactured to meet industry standards for durability and precision. The 15126 transfer case output shaft bearing undergoes quality control inspections 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 Chevrolet and GMC transfer case applications.