1-1/4 In. Diameter Nylon Roller with Adjustable Steel Housing

1-1/4 In. nylon ball bearing roller; adjustable steel housing assembly; used by Smith & Carry and other glass door manufacturers; housing dimensions: thickness, 5/8 In.; length, 2-1/8 In.; height, 1 In.; overall thickness, 3/4 In. flare to flare.