Excavator parts R944 Track roller

The Liebherr R944 track roller is an important undercarriage component adapted to the Liebherr R944 excavator. Its main function is to support the weight of the excavator, keep the tracks running smoothly and prevent the tracks from slipping laterally. It generally consists of wheel body forged by high strength alloy steel, 45# round steel axle which is tempered and mid-frequency surface quenched, high chromium and high molybdenum alloy floating oil seal and oil and high temperature resistant O-ring, etc., which has the features of high strength, good abrasion resistance, reliable sealing, etc., and ensures the supporting wheel to work stably for a long time in the bad working conditions.