Disc Armature and Hub for Parvex Axem Servo Motor Type MC19P.
Centre Hole: 28mm diameter.
Locating Holes: 4 x 6.5mm holes, equispaced on 40mm PCD.
Manufacturer's Part number is: SAV301037R0002
Made by Parvex (Axem) and sold under many other names including nameplates marked:- BBC (Brown Boveri Company), ABB, ASEA, GEC Alsthom, CEM, Kollmorgan, Mattke and Alstom.