300-4545 Excavator Parts E300 Carrier Roller

Caterpillar E330 carrier roller is one of the important parts of Caterpillar E330 excavator chassis, its main role is to support and guide the movement of the tracks, reduce the sagging and swinging of the tracks, so that the excavator can drive and work smoothly.It usually consists of the main shaft, front end cover, floating oil seal, axle sleeve, rear end cover, wheel body and other components, the cavity is injected with lubricant to ensure its good operating performance