Voltage 28, Amp 80, Ring Height 1 10.40, Thread Length 13.50, Slip Ring Rear 93.80, Slip Ring Outer Diameter 27.50, Ring Height 2 9.20, Slip Ring End Length 49.70, Ring Distance 2.50, Drive End Length 64.60, Bearing Diameter 12.00, Slip Ring Front 82.60, Cooling fan w/o, Thread size M16-1.50, Outer Diameter 103.30, Height 53.00, Shaft Diameter 17.00, Total Length 21.60;166.50