Martin 100P11H MST® P1 Bushed Solid Type 4 Split Single Roller Chain Sprocket, 1/2 to 1-3/4 in Dia Bore, 5.007 in OD, 100 Chain, 11 Teeth, 1-1/4 in Pitch, Steel
Martin split taper sprocket is another style of bushed sprocket. The split taper bushing, when installed, offers a wide range of bore sizes.
Martin Split Single Roller Chain Sprocket, MST® P1 Bushed Solid Type 4, 1/2 to 1-3/4 in Bore Dia, 5.007 in Outside Dia, 100 Chain, 11 Teeth, 1-1/4 in Pitch, 4.437 in, 3 in Hub Dia, 3/8 in W Keyway, 1-15/16 in Length Through Bore, Type P1 Split Taper Bushing, Steel