4AM18
20mm Ball Bearing
Mack

This precision ball bearing is a critical component in supporting rotational movement within various truck systems. Its high-quality steel construction ensures smooth operation, minimal friction, and long-lasting durability. Designed to handle radial and axial loads, it contributes to the efficient functioning of drive shafts, wheels, and other rotating assemblies. Proper lubrication and installation are vital for optimal performance, making this bearing a key element in reducing wear and preventing costly failures. Source One Parts Center supplies this ball bearing as a reliable part for maintaining the smooth operation of your heavy-duty drivetrain components.