This standard specifies the technical requirements, test methods, inspection rules and marking, rust prevention, packaging, storage and transportation of rolling bearings for belt conveyor rollers in coal mines, open-air, coal preparation and other workplaces. This standard applies to rolling bearings for belt conveyor rollers (hereinafter referred to as roller bearings) in coal mines, open pits, coal preparation and other workplaces.
MT/T 655-1997 history
1997MT/T 655-1997 Technical condition of belt conveyor idler bearing for coal mining