This standard specifies the size series of belt conveyor rollers used in coal mines. This standard is mainly applicable to belt conveyor rollers used in coal mines, and also applies to belt conveyor rollers used in open-pit coal preparation and other workplaces.
MT/T 73-1992 history
2009MT/T 73-2008 Belt conveyor for coal mines.Idler.Dimension
1992MT/T 73-1992 Coal mine belt conveyor idler size series