Timken FC66998 Drive Axle Shaft Pilot Bearing - Front, Front Outer, Rear or Rear Inner

Timken Drive Axle Shaft Pilot Bearing Overview

The Timken FC66998 Drive Axle Shaft Pilot Bearing is engineered for reliable performance in select Ford, Lincoln, and Mercury vehicles. Designed to precise specifications, this bearing supports smooth drivetrain operation by reducing friction between the drive axle shaft and transmission components.

• Inside diameter options: 1.575 inches (40.00 mm)
• Width options: 0.600 inches (15.24 mm)
• Outside diameter options: 1.969 inches (50.01 mm)
• Compatible with multiple Ford, Lincoln, and Mercury models
• Durable construction for consistent drivetrain support

Detailed Product Description and Specifications

The Timken FC66998 pilot bearing features an inside diameter of 1.575 inches (40.00 mm) and an outside diameter of 1.969 inches (50.01 mm), with a width of 0.600 inches (15.24 mm). These dimensions ensure a precise fit for the drive axle shaft, minimizing play and wear. The bearing is designed to handle the rotational forces and loads encountered in driveline applications, contributing to smoother gear engagement and reduced drivetrain noise.

This pilot bearing is compatible with a range of Ford, Lincoln, and Mercury vehicles, including the Ford F-150, Explorer, Mustang, and Expedition, as well as Lincoln Continental, Navigator, and Mark series models, and Mercury Cougar and Mountaineer. The part number FC66998 ensures correct identification and fitment for these applications.

Applications and Common Issues Addressed

• Reduces vibration and noise in the driveline system
• Prevents premature wear of the drive axle shaft and transmission input shaft
• Supports proper alignment of the drive axle shaft
• Eliminates issues related to bearing failure such as rough shifting or drivetrain binding
• Helps maintain smooth power transfer from engine to wheels

Installation Notes and Tips

• Ensure the bearing is installed with the correct orientation to avoid damage
• Clean the shaft and housing thoroughly before installation
• Use appropriate tools to press the bearing into place without applying excessive force
• Verify fitment with the vehicle’s service manual for torque specifications and alignment procedures

Quality Assurance and Warranty Information

Timken is a recognized manufacturer of driveline components, known for meeting industry standards in durability and precision. The FC66998 pilot bearing undergoes rigorous quality control to ensure consistent performance. While specific warranty terms may vary, Timken products typically include coverage against manufacturing defects. Consult Timken documentation or authorized sources for detailed warranty information.