Industrial belt steel return idler 1. Life time ... ,etc 3.Used in:Coal mine industry,cement Industrial belt steel return idlerOur company can provide:Carrying ... GB10595Certificate: ISO, CEType conveyor DTII, TD75,TR,DX.Bearing NO: 6204/6205//6306/6307/6308 etcMaterial: carbon steel, ... tube are simultaneously machined and chamfered.Bearing: ouble row deep groove ball bearing 2Z and 2RS with C3 clearance. ...