Excavator parts R944-2 track roller

The Liebherr R944-2 track roller is an important undercarriage component adapted to the Liebherr R944-2 excavator. It has the important task of supporting the weight of the excavator, ensuring the smooth running of the tracks and preventing the tracks from slipping laterally. The supporting wheel usually consists of high strength alloy steel forged wheel body, special heat-treated shaft, high reliability floating oil seal and high quality seal ring, etc. It has high strength, strong wear resistance, good sealing performance, etc., and is able to adapt to the excavator’s long time operation in the harsh working conditions.