National 2729 Axle Differential Bearing Race - Rear

Overview of National 2729 Axle Differential Bearing Race

The National 2729 axle differential bearing race is engineered for precise fitment in driveline and axle assemblies. Designed as a taper bearing cup, this component supports smooth rotation and durability in axle differentials, suitable for various vehicle makes and models requiring a 3.0000 inch cup bore.

• Cup Bore Diameter: 3.0000 inches (76.2 mm)
• Cup Length: 0.7500 inches (19.05 mm)
• Cup Radius: 0.0310 inches (0.787 mm)
• Part Type: Taper bearing cup
• Part Number: 2729 by National

Technical Specifications and Features

The National 2729 bearing race features a 3-inch cup bore diameter, ensuring compatibility with axle shafts requiring this precise measurement. The cup length of 0.75 inches provides adequate surface area for bearing support, while the 0.031-inch cup radius helps maintain proper bearing seating and load distribution. Manufactured to meet OEM standards, this taper bearing cup is designed to withstand the stresses of axle differential operation.

Application and Compatibility

This axle differential bearing race is compatible with a range of vehicles that utilize a 3.0000 inch cup bore in their driveline assemblies. Commonly found in domestic and import trucks and SUVs, the National 2729 is suitable for models requiring a durable and precise bearing race for differential maintenance or rebuilds. Always verify fitment with your specific make and model to ensure proper installation.

• Supports smooth differential rotation and load handling
• Replaces worn or damaged bearing races in axle assemblies
• Helps reduce axle noise and vibration
• Prevents premature bearing wear and failure
• Maintains proper bearing alignment and preload

Installation Notes and Tips

When installing the National 2729 bearing race, ensure the axle housing is clean and free of debris. Use appropriate tools to press the bearing cup evenly into the bore without damaging the cup radius. Verify the cup bore diameter and length match the original specifications to maintain proper bearing fit. It is recommended to inspect related components such as bearings and seals during installation for optimal driveline performance.

Quality Assurance and Warranty

National manufactures the 2729 axle differential bearing race to meet industry standards for durability and precision. While specific warranty details may vary, National products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer directly.