... pipe:Q235(GB) equal to S235JR(DIN)shaft:45#steel (GB) equal to C45(DIN)grease:lithium ... marketing carrying idlers, impact idlers, training idlers, head pulleys, tail pulleys, belt conveyors and so on ... . This type of conveyor pulleys are the head pulley/ driving pulley used on the belt conveyor ... CEMA, DIN, JIS, ETC5.used:steel industry,harbor,coal industry,etc head pulley, tail pulley, take up pulley, ...