National 206 Manual Transmission Countershaft Bearing

Overview of National 206 Manual Transmission Countershaft Bearing

The National 206 manual transmission countershaft bearing is engineered for reliable performance in a wide range of vehicles including Audi, BMW, Ford, Mercedes-Benz, and Volkswagen models. Designed as a single row radial ball bearing, this component supports smooth countershaft rotation and helps maintain transmission efficiency.

• Single row radial design for consistent load handling
• 30 mm (1.181 inch) bore diameter for precise fitment
• Outer diameter of 62 mm (2.441 inches) ensures compatibility with various manual transmissions
• 16 mm (0.630 inch) width for balanced axial and radial support
• Inner and outer race radii of 1.020 mm (0.040 inch) for optimized stress distribution

Technical Specifications and Design Details

The National 206 bearing features a 30 mm inner race bore and a 62 mm outer race diameter, making it suitable for manual transmission countershafts in multiple vehicle makes such as Cadillac, Dodge, Jeep, and Nissan. Its single row radial ball bearing design provides reliable radial load capacity while maintaining low friction. The bearing width of 16 mm supports axial stability, and the precise inner race width and radius dimensions contribute to durability under typical transmission operating conditions.

Compatible Vehicles and Applications

This manual transmission countershaft bearing is compatible with a broad range of vehicles, including but not limited to Audi 80 Quattro, BMW 318i, Ford Bronco II, Mercedes-Benz 300E, and Volkswagen Beetle. It is designed to replace worn or damaged bearings in manual transmissions, helping to restore smooth gear engagement and reduce transmission noise.

• Eliminates excessive play or vibration in the countershaft
• Reduces transmission noise caused by worn bearings
• Prevents premature wear of transmission gears
• Supports smooth shifting performance
• Addresses bearing failure symptoms such as rough rotation or overheating

Installation Notes and Tips

Proper installation of the National 206 bearing requires careful handling to avoid contamination and damage. It is recommended to clean the transmission housing thoroughly before installation and use appropriate tools to press the bearing into place without applying excessive force. Verify the bearing orientation and ensure it seats fully against the countershaft to maintain alignment and performance.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in automotive bearings, the 206 manual transmission countershaft bearing meets industry standards for durability and precision. While specific warranty details are not provided, National products typically undergo rigorous quality control to ensure reliable operation in demanding transmission environments.