120E22 MSG

QD® (Quick Detachable) is a sprocket where a tapered bushing is bolted into the taper bore that is machined in the sprocket. When installed this bushing is compressed onto the shaft providing a tight grip.

Martin Roller Chain Sprocket, Type B1 Single Strand Stock Bore Welded, 3-1/2 in Bore, 11.333 in OD, #120 Chain, 22 Teeth, 1-1/2 in Pitch, 10.54 in Pitch Diameter, 6-1/4 in Diameter Hub, 1/2-13 NC Screw, 2-5/8 in Length Through Bore, QD® E Bushing, Steel