Excavator Parts E120B Carrier Roller

The Caterpillar E120B carrier roller is an important chassis component adapted to the Caterpillar E120B excavator.It is mainly composed of wheel axle, wheel body, bearing assembly, etc. The wheel body can rotate flexibly around the wheel axle through the bearing assembly.It is made of 40mn2 steel forging and other processes, with high strength and wear resistance, and has a good sealing and lubrication system, which can effectively support and guide the tracks, maintain the track tension and linear movement, reduce the friction between the tracks and the ground and sagging, and improve the excavator’s working efficiency, performance and track life.