Used range: Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, cement, chemical industry. Belt width: 0.8m/s, 1.0m/s, 1.25m/s, 1.6m/s, 2.0m/s, 2.5m/s, .15m/s, 4.0m/s,5.0m/s. Advantages: Large volume capability, cheap, convenient to maintain. Used environment temperature: From -25°c to 40°c. Special need: as the buyer's demand. belt conveyor machinery idler rollers Trough idler roller: 35° and 45°.   Note: We usually use 35° trough idler.   Rollers: Light, middle, heavy types. Φ 500~1000mm. Diameters of the bearing changable. Purface of the rollers: Smooth, Rubber coated. Painting: At least 5 times paintings.Absolutly rust-resistant. Mterials: Carbon steel, Q235. Rubber belt. Belt materials(4 kinds): Canvus(56N/mm.layer), nylon(100 to 300N/mm.layer), plastic(100 to 300N/mm.layer), steel wire belt(st630 to st2000N/mm.layer).   Special supply for spare parts(belt)       High temperature, cold weather, exploration-resistant, fire-resistant, acid-resistant, alkali-resistant ,waterproof and alike condition should take some special devices.