Sharma 14 inch atta chakki with a 3 HP single-phase motor, a commercial vertical flour mill that runs on a standard domestic electricity supply, for homes, small flour mills, grocery shops and small-scale food processing. The motor is also listed as 3 HP Single Phase or 3 HP Three Phase, at 220 V and 1440 RPM. Approximate capacity is 20–25 kg per hour of wheat, maize and other suitable dry grains, depending on grain type, moisture and operating conditions, fed from a hopper of approximately 20 kg. The black emery grinding stone measures 14 × 3 inches, listed as 14 Inch (350mm) diameter and 75 mm thickness. A double-pulley, double-belt drive, a mechanically balanced build and standard-quality bearings support smooth, quieter running, and a heavy-duty MS trolley on castor wheels makes the machine easy to move. Single-phase operation suits home-based and small commercial grinding. Specs: weight 160 kg; power consumption 2.2 Unit; shaft diameter 35 mm; bearing size 6207.