Motor Mounting Ring, Resilient Rubber, For NEMA Frame 48, Replaces Mounting Rings on Ring-mounted Motors, Outside Dia. (In. ) 2 1/2 in, Inside Dia. (In. ) 1 11/16 in, Thickness (In. ) 13/32 in, Package Quantity 2. This item has been restricted from sale in the following state (s): []