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