... AK BK sheave belt sheave,Taper bushing, QD bushing, split bushing, taper lock standard belt pulley, V belt pulley, AK BK sheave ... belt pulleys2) American standard: a) Sheaves for taper bushings: 3V, 5V, 8V b) Sheaves for QD bushings: 3V, 5V, 8V c) Sheaves for split taper bushings ... ) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M3) Bore: pilot bore, finish bore, taper bore, bore ...