Dodge Belt Sprocket, Flanged Solid Type A, Taper-Lock Bore Type, 1/2 to 1-11/16 in Bore Dia, 3.355 in Outside Dia, 3.409 in, 8 mm Pitch, 3-3/4 in Face Width, 3.81 in Flange Dia, 3/4 in/1-1/2 in Hub Projection, 1615 Bushing, 3-3/4 in Overall Length, For Use With: 85 mm W HT200 Belt Torque rated shaft gripping strength to meet the higher demands of the 200% rating of HT200 beltsCompact save shaft space with compact taper lock designReduce overhung load compact design allows closer mounting to motor or reducer bearings, improves bearing life, reduces maintenance costsImproves bearing lifeReduces maintenance costs