Timken 305AG Manual Transmission Countershaft Bearing

Overview of Timken 305AG Manual Transmission Countershaft Bearing

The Timken 305AG manual transmission countershaft bearing is engineered for reliable performance in a range of vehicles including BMW, Honda, INFINITI, Mazda, Nissan, Subaru, and Suzuki models. Designed to meet precise specifications, this bearing supports smooth transmission operation and durability.

• Inside diameter options: 0.984 inch (25.00 mm)
• Width options: 0.669 inch (17.00 mm)
• Outside diameter: 2.441 inch (62.00 mm)
• Compatible with multiple manual transmission applications
• Part number: 305AG for accurate identification

Technical Specifications and Design Details

The Timken 305AG bearing features an inside diameter of 0.984 inches (25.00 mm) and a width of 0.669 inches (17.00 mm), with an outside diameter measuring 2.441 inches (62.00 mm). These dimensions ensure a precise fit on the countershaft, contributing to optimal load distribution and reduced friction within the manual transmission assembly. The bearing is manufactured to meet stringent quality standards, providing consistent rotational support and resistance to wear under typical driving conditions.

Compatible Vehicles and Applications

This manual transmission countershaft bearing is compatible with a variety of vehicle makes and models, including BMW 318i, 320i, 325i, 535i, and M3; Honda Civic; INFINITI G20; Mazda MX-6; Nissan 200SX, 240SX, 300ZX, Maxima, Sentra, and Pathfinder; Subaru Legacy and RX-7; Suzuki Samurai and Pulsar models. The Timken 305AG is designed specifically for manual transmission systems requiring this bearing size and specification.

Common Issues Addressed by the Timken 305AG Bearing

• Excessive transmission noise due to worn or damaged bearings
• Vibration or rough shifting caused by bearing failure
• Premature wear of transmission components from improper bearing fit
• Reduced transmission efficiency and increased friction
• Potential transmission overheating from bearing degradation

Installation Notes and Tips

Proper installation of the Timken 305AG bearing is critical for transmission performance. Ensure the bearing is clean and free of debris before installation. Use appropriate tools to press the bearing onto the countershaft without applying excessive force that could damage the bearing or shaft. Verify correct alignment and clearance according to the vehicle manufacturer’s specifications. Lubricate the bearing as recommended to support smooth operation and longevity.

Quality Assurance and Warranty Information

Timken bearings are manufactured under strict quality control processes to meet industry standards for durability and performance. The 305AG manual transmission countershaft bearing undergoes rigorous testing to ensure dimensional accuracy and material integrity. While specific warranty terms may vary, Timken typically offers coverage against manufacturing defects, providing confidence in the product’s reliability for automotive transmission applications.