belt conveyor troughing roller  structure and material: Tube: carbon Steel Shaft: bright drawn steel to required bearing tolerance Shaft end: both ends of the tube are simultaneously machined and chamfered. Bearing: single and double row deep groove ball bearing 2Z and 2RS with C3 clearance. Rubber: heat vulcanized rubber. Wear resistant, anti-fire Seals: multiple labyrinth seal Welding: mixed gas shielded arc welding end. 

belt conveyor troughing roller  productiveprocess:

127mm diameter dust proof metal belt conveyor troughing roller  for mining belt conveyor troughing roller  Specifications: 1.Dia from 63.5mm to 219mm 2.Leak-proof high 3.Stable running, long life 4.Less resistance 5.ISO/CE certification