Dodge QD Bushing, 60 mm Bore Dia, 71.4 mm Barrel Dia, 120.7 mm Hub Dia, 84.1 mm Bolt Circle, 98.6 mm Flange Dia, 14.2 mm Flange Thickness, 3 Bolt Holes, M8-1.25 x 50 mm Screw, 781 N-m, For Use With: HTD Sprockets, 49 mm Overall Length, 18 x 4.4 mm Keyway, Ductile Iron Size SK bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards