Excavator parts SH55 Track roller

Sumitomo SH55 track roller is an important chassis component of Sumitomo SH55 excavator. Its main function is to support the weight of the body of the excavator, roll on the guide rail or track plate surface of the track, reduce the friction between the track and the chassis, and limit the lateral slip of the track, and ensure that the excavator can drive steadily along the direction of the track. It is generally made of high-strength materials, with good wear resistance and bearing capacity, to adapt to the needs of excavators in various complex construction conditions. Its structure is usually composed of wheel body, support wheel shaft, shaft sleeve, sealing ring, end cover and other components.