Get current pricing for Oem, OEM-22743-ID 21057952/3. Year 1993. Made In Germany. The Rotor Measures Approx. 8 Dia. X 31-1/2 Long. 50 Hp Siemens Electric Motor, 1765 Rpm, 230/460 Volt, 326 . Product Category: Process Equipment, Sub Category: Process Mills: