Dury Condition E-motor, turbine Hydr.motor Con.bustion engine Constant and low moments of inertiaGenerators (except welding generators) Belt conveyors (Constantly loaded) Rotary blowers Rotary Pumps Stirrers for liquids 1.00 1.25 1.50 Constant and medium moments of inertia Belt conveyors (unevenly loaded) Gear Pumps, Positive displacement, blowers, printing machines 1.40 1.75 2.00 Uneven and medium moments of inertia Multi-cylinder piston compressors, Vertical mills for ore crushers, Plastic calenders Rubbers calenders, Refineries, Cold rolling mills. 1.80 2.00 2.25 Uneven and high moments of inertiaChopping machines, Roller tables, Crushers for ore, stones 2.20 2.50 2.75 Shock and reversingHot-rolling mills, Blooming trains, Double action scissors, Billet shears 2.50 3.00 3.50