FAG KT401 Rear Axle Outer Wheel Bearing Set

The FAG KT401 is a precision-engineered tapered roller bearing set designed for heavy-duty commercial truck and semi-trailer rear drive axle outer applications. This high-quality bearing set is manufactured by FAG, part of the Schaeffler Group, and delivers exceptional reliability in demanding commercial vehicle environments.

Key Features:

• Tapered roller bearing design for superior combined radial and thrust load capacity
• Precision-matched cone and cup for optimal load distribution and extended service life
• 3.250-inch bore diameter and 5.512-inch cup outer diameter
• 1.438-inch bearing width for robust load-carrying capability
• High-quality alloy steel construction resists fatigue and wear
• Engineered for rear drive axle outer positions on Class 6, 7, and 8 commercial trucks
• Meets or exceeds OEM specifications for commercial vehicle applications

This bearing set includes both the tapered cone bearing and cup race, providing a complete replacement solution for heavy-duty truck wheel end maintenance. The precision tolerances and optimized internal geometry ensure smooth rotation, reduced friction, and maximum bearing life in severe-duty commercial applications.