1228R-226
Cylindrical Roller Bearing, 120 mm Outer Diameter
Meritor

Engineered to handle heavy radial loads in wheel-end assemblies, this precision component delivers consistent rotation under demanding service conditions. Its proven internal geometry supports stable load sharing among rolling elements, while a rugged cage minimizes friction and heat buildup to extend lubricant life. In practice, the result is smoother operation, reduced vibration, and longer intervals between maintenance as the system fluid remains properly mobilized. The design tolerances work in harmony with compatible housings and seals to minimize contaminant ingress and maintain correct preload, which helps keep wear even and predictable across the life of the axle. By reducing parasitic losses and improving efficiency, it contributes to lower fuel burn and quieter operation at highway speeds. The reliability of this part also translates into safer braking and steering performance, since stable rotation and reduced play at the wheel end support precise control during maneuvering and braking. For fleets, investing in durable rotating components means fewer roadside failures, higher uptime, and better overall lifecycle costs in long-haul, regional, and vocational applications.