Resilient Ring Mounting Base, Compatible Motor Diameter 5.63 in, Compatible Ring Diameter 2 1/4 in, Mounting Bolt Hole Spacing Length 1 11/16 in, Mounting Bolt Hole Spacing Width 4 7/16 in, Ring-to-Ring Distance 5 1/2 in, Includes Set of Mounting Latches, Application For Mounting Shaded Pole and PSC Motors in Direct Drive Heating and Air Conditioning Uses, Gray Color, Overall Length 5 5/8 in