Timken 30204 Manual Transmission Countershaft Bearing

Overview of Timken 30204 Manual Transmission Countershaft Bearing

The Timken 30204 manual transmission countershaft bearing is engineered for reliable performance in select Ford, Mazda, Nissan, and Subaru vehicles. Designed to meet precise specifications, this bearing supports smooth transmission operation in models such as the Nissan 200SX, Mazda B2000, and Subaru Standard.

• Inside diameter options: 0.787 inch (20.00 mm)
• Outside diameter options: 1.850 inch (47.00 mm)
• Cone radius measurements: 0.040 inch (1.02 mm)
• Cone width dimensions: 0.551 inch (14.00 mm)
• Part number: 30204 for accurate identification

Technical Specifications and Design Details

The Timken 30204 bearing features dual inside diameter measurements of 0.787 inch (20.00 mm) and outside diameters of 1.850 inch (47.00 mm), ensuring compatibility with specific manual transmission countershafts. The cone radius and width are precisely engineered at 0.040 inch (1.02 mm) and 0.551 inch (14.00 mm) respectively, providing optimal load distribution and durability under operational stresses. These dimensions are critical for maintaining proper alignment and reducing wear within the transmission assembly.

Compatible Vehicles and Applications

This manual transmission countershaft bearing is compatible with a range of vehicles, including:

• Ford models such as the Courier
• Mazda B2000 and B2200 pickups
• Nissan 200SX and 510 series
• Subaru Standard models

It is specifically designed to replace worn or damaged bearings in these transmissions, helping restore smooth gear engagement and reduce noise.

Common Issues Addressed by Timken 30204 Bearing

• Excessive transmission noise due to bearing wear
• Vibration or rough shifting in manual transmissions
• Premature bearing failure from improper fit or contamination
• Reduced transmission efficiency caused by misalignment
• Increased wear on countershaft components

Installation Notes and Tips

Proper installation of the Timken 30204 bearing requires careful attention to fitment dimensions. Ensure the bearing matches the specified inside and outside diameters for your vehicle’s transmission. Use appropriate tools to press the bearing into place without damaging the cone radius or width. Clean the transmission housing and countershaft thoroughly before installation to prevent contamination. It is recommended to inspect related transmission components for wear during replacement.

Quality Assurance and Warranty Information

Timken bearings are manufactured to meet stringent quality standards, ensuring durability and consistent performance. The 30204 manual transmission countershaft bearing undergoes rigorous testing to verify dimensional accuracy and material integrity. While specific warranty details may vary, Timken typically offers coverage against manufacturing defects, providing confidence in the product’s reliability for compatible Ford, Mazda, Nissan, and Subaru models.