1-001-UMR 75 100B5 FL Ametric Part Number, 66129 SKU No., Motovario Type NMRV 75 Size Reducer , 100B5 Motor IEC Input Flange, 180 mm Recess Diameter (N), 215 mm IEC Bolt Circle Diameter (M), 250 mm IEC Outside Diameter (P), 28 mm IEC Hollow Motor Shaft Diameter (P), 26 mm Thick, 0.16 cubic-m, 1.9 kg,