This is a 47 3/4″ long bearing pad by Miller Industries. It is one of thereplacement pads for the bed of 20 Series Steel Car Carriers. This part isincluded in the following Bearing Pad Kits: 12-0909065, 12-0909086 , & 12-0909087. 5/16″ x 1 3/4″ x 47 3/4″ All 20 Series Car Carriers