National B-1616 Manual Transmission Countershaft Bearing - Rear

Overview of National B-1616 Manual Transmission Bearing

The National B-1616 manual transmission countershaft bearing is engineered for precise fitment in Nissan 210 models. This needle bearing is designed to support the countershaft, ensuring smooth transmission operation and durability.

• Needle bearing type for manual transmission countershaft
• Bore diameter: 1.0000 inch (25.4 mm)
• Outside diameter: 1.2500 inch (31.75 mm)
• Housing diameter range: 1.2495 to 1.2505 inch (31.7373 to 31.7627 mm)
• Width: 1.0000 inch (25.4 mm)
• Shaft diameter tolerance: 0.9995 to 1.0000 inch (25.3873 to 25.4 mm)

Technical Specifications and Design Details

The National B-1616 bearing features a precise bore size of 1.0000 inch (25.4 mm), matching the shaft diameter requirements for the Nissan 210 manual transmission countershaft. Its outside diameter measures 1.2500 inch (31.75 mm), with a housing diameter tolerance between 1.2495 and 1.2505 inches (31.7373 to 31.7627 mm), ensuring a secure fit within the transmission housing. The bearing width is 1.0000 inch (25.4 mm), providing adequate surface area for load distribution. This needle bearing type is designed to reduce friction and wear on the countershaft, contributing to reliable transmission performance.

Compatible Vehicles and Applications

This National B-1616 manual transmission countershaft bearing is compatible with Nissan 210 models requiring a 1-inch bore bearing for the countershaft. It is specifically designed to meet the dimensional and performance requirements of this vehicle's manual transmission system.

• Supports smooth rotation of the manual transmission countershaft
• Reduces wear and extends transmission component life
• Replaces worn or damaged countershaft bearings in Nissan 210
• Helps eliminate transmission noise and vibration related to bearing failure
• Maintains proper alignment of transmission components

Installation Notes and Tips

When installing the National B-1616 bearing, ensure the housing diameter matches the specified tolerance range of 1.2495 to 1.2505 inches for proper fit. Use appropriate tools to press the bearing into place without damaging the needle rollers. Verify shaft diameter compatibility within the 0.9995 to 1.0000 inch range to avoid premature wear. Proper lubrication during installation is recommended to enhance bearing life.

Quality Assurance and Warranty

National bearings are manufactured to meet industry standards for durability and precision. The B-1616 manual transmission countershaft bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically adhere to manufacturer quality guidelines to support reliable automotive performance.