National RW-122 Manual Transmission Countershaft Bearing - Center, Rear Inner or Rear Outer

Overview of National RW-122 Manual Transmission Countershaft Bearing

The National RW-122 is a precision-engineered manual transmission countershaft bearing designed to meet the demands of various vehicle makes and models. This bearing supports smooth rotation and reduces friction in the transmission system, ensuring reliable performance for vehicles such as the BMW 320i, Ford Capri, and Toyota Celica.

• Single row radial design for efficient load handling
• Inner race bore diameter of 1.102 inches (28 mm)
• Outer race outside diameter of 2.284 inches (58 mm)
• Width of 0.630 inches (16 mm) for compact fitment
• Compatible with multiple makes including Honda, Chevrolet, Dodge, and Mitsubishi

Technical Specifications and Design Features

The RW-122 bearing features a single row radial design optimized for manual transmission countershafts. Its inner race bore measures 1.102 inches (28 mm), matching the shaft diameter for a precise fit. The outer race diameter is 2.284 inches (58 mm), with a consistent width of 0.630 inches (16 mm) on both inner and outer races, providing balanced load distribution and durability. This bearing is part of the Rws series and classified under type F-8, ensuring compatibility with a wide range of transmission assemblies.

Compatible Vehicles and Applications

This National manual transmission countershaft bearing is compatible with various vehicle makes and models, including but not limited to:

• BMW 320i
• Ford Capri
• Toyota Celica
• Honda Civic
• Dodge Challenger
• Chevrolet Pickup
• Mitsubishi Galant

Its design supports the countershaft in manual transmissions, helping to maintain smooth gear engagement and reduce wear on transmission components.

Common Issues Addressed by RW-122 Bearing

• Excessive transmission noise due to worn bearings
• Vibration or rough shifting in manual transmissions
• Premature wear of countershaft components
• Transmission overheating caused by increased friction
• Reduced transmission efficiency and performance

Installation Notes and Tips

When installing the National RW-122 bearing, ensure the transmission countershaft and housing are clean and free of debris. Proper alignment is critical to avoid premature bearing failure. Use appropriate tools to press the bearing into place without damaging the races. Verify the bearing’s fit by checking the bore and outer diameter dimensions against the shaft and housing specifications.

Quality Assurance and Warranty

National bearings are manufactured to meet industry standards for durability and performance. The RW-122 bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically adhere to strict quality assurance protocols to support reliable operation in automotive transmissions.