National FC-68329 Clutch Pilot Bearing

Overview of National FC-68329 Clutch Pilot Bearing

The National FC-68329 clutch pilot bearing is engineered for reliable performance in select Ford vehicles. Designed as a needle bearing, it supports smooth clutch operation by reducing friction between the transmission input shaft and the flywheel.

• Bore diameter: 0.6721 inches (17.0710 mm)
• Housing diameter: approximately 1.487 inches (37.77 mm)
• Width: 0.7320 inches (18.593 mm)
• Needle bearing design for efficient load distribution
• Compatible with various Ford models including Explorer, F-150, F-250, and Mustang

Technical Specifications and Design Details

The FC-68329 clutch pilot bearing features a precise bore diameter of 0.6721 inches (17.0710 mm) to fit the transmission input shaft securely. Its housing diameter ranges narrowly between 1.4870 and 1.4880 inches (37.7698 to 37.7952 mm), ensuring a snug fit within the flywheel assembly. The bearing width of 0.7320 inches (18.593 mm) provides adequate surface area for load support. As a needle bearing, it offers reduced friction and enhanced durability under the rotational stresses typical in clutch systems.

Compatible Ford Models and Applications

This clutch pilot bearing is compatible with a range of Ford vehicles, including the Explorer, F-150, F-150 Heritage, F-250, F-250 Super Duty, F-350 Super Duty, and Mustang. It is specifically designed to meet the dimensional and performance requirements of these models, making it suitable for transmission repairs or clutch system maintenance.

Common Issues Addressed by the FC-68329 Bearing

• Eliminates clutch chatter caused by worn pilot bearings
• Prevents transmission input shaft misalignment
• Reduces noise and vibration during clutch engagement
• Minimizes premature wear on clutch components
• Supports smooth clutch pedal operation and shifting

Installation Notes and Tips

Ensure the flywheel bore is clean and free of debris before installation. The FC-68329 bearing should be pressed in evenly to avoid damage to the needle rollers. Verify the bearing is fully seated and aligned with the transmission input shaft. Use appropriate tools to avoid distortion or misalignment during installation. Consult the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty Information

National clutch pilot bearings are manufactured to meet industry standards for durability and performance. The FC-68329 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to provide confidence in the product’s reliability.