Martin J 2 1/2 Standard QD Bushing, 2-1/2 in Dia Bore, 5.148 in Dia Barrel, 7-1/4 in Dia Flange, 4-1/2 in OAL, Cast Iron
QD (quick detachable) bushings are designed for conventional mounting or reverse mounting. These bushings have a flange.
Martin QD Bushing, Standard, 2-1/2 in Bore Dia, 5.148 in Barrel Dia, 9 in Hub Dia, 6-1/4 in Bolt Circle, 7-1/4 in Flange Dia, 1 in Flange Thickness, 3 Bolt Holes, 5/8-11 x 4-1/2 in Screw, 45000 in-lb, 4-1/2 in Overall Length, 5/16 x 5/8 in Keyway, Cast Iron