IDC Select® offers a wide variety of tensioners including fixed, adjustable, and heavy duty designs. All IDC Select® idler shafts are interchangeable with most models. IDC Select® also offers QD®, Taper-Lock®, and split-tapered idler bushings. IDC Select® Taper-Lock® Idler Bushing, 1 in Bore Dia, 2-1/4 in Barrel Dia, 2219 lb, For Use With: Sheaves, Roller Chain Sprockets and Synchronous Belt Sprockets, 1-1/2 in Overall Length