Excavator Parts E304MR(bearing) Carrier Roller

The Caterpillar E304MR carrier roller is an important chassis component for the Caterpillar E304MR excavator. It is mainly composed of a wheel body, a wheel shaft, a bearing assembly, etc. The wheel body rotates around the wheel shaft through the bearing assembly. Made of high-quality materials and advanced technology, it has high strength, strong wear resistance, and good sealing and lubrication performance, which can effectively support and guide the track, maintain the track tension and linear motion, reduce the friction and sagging between the track and the ground, and improve the work efficiency, performance and service life of the excavator.