... , ISO1537, GB10595Certificate: ISO, CEType conveyor DTII, TD75,TR,DX.Bearing NO: 6204/6205//6306/6307/6308 etcMaterial: carbon steel, Rubber ... ends of the tube are simultaneously machined and chamfered.Bearing: ouble row deep groove ball bearing 2Z and 2RS with C3 clearance ... labyrinth seals achieve waterproof and dust proof.(4).Adopt good bearing make sure the long lifetime, stable running and good ...