The products are widely used in coal mines, metallurgy, machinery, ports, construction, electricity, chemistry, food packing and other industries. ITEM NAME     Heavy duty track roller For Mining and Minerals Processing Pipe / tube 1) Material : Q235 carbon steel equal to DIN S235JR 2) Diameter : 60-219mm                3) Length: 150mm ~ 3500 mm 4) Thickness : 1.0 ~4.5 mm           5) with steel end caps Conveyor   DTII DTII(A) TD75 Shaft / axis 1) Material : A3 / 45# steel equal to DIN C45                2) Diameter: 20 25 mm 3) Shaft end type:DTII TD75  Bearing 1) Multiple labyrinth water proof dust proof                   2) Type: DTII / TR made of nylon, methana 3) Grease : Lithium soap type grease with Rust Inhibitors Welding  Mixed gas shielded arc welding end Painting Electrostatic spraying technic  Color  Red, blue, yellow,black or as require Certificate ISO9001:2008, BV , CE, SGS  Lifetime >=50000 hours Damage rate is less 10% ; Coefficient of revolving resistance goes to 0.018