If you are looking for customized and non-standard China supplier roll shaft bearing from one of the famous China roll shaft bearing manufacturers and factory, please feel free to contact CFSM.Material: ZG30MnWeight: 3-10tManufacture process: Sand casting Description: The main parts of coal grinding machineFunction: Roller shaft bearing is the main accessories of grinding machine, connection roller cover and the bearing seat, and easy to open the shaft bearing and maintain it after open the roller cover