Martin 140SF12 QD Bushed Type B Single Pitch Roller Chain Sprocket, 7.581 in OD, #140 Chain, 12 Teeth, 1-3/4 in Pitch, Steel
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 Single Pitch Roller Chain Sprocket, QD Bushed Type B, 7.581 in Outside Dia, #140 Chain, 12 Teeth, 1-3/4 in Pitch, 6.762 in, 4-3/4 in Hub Dia, 2-1/16 in Length Through Bore, Type SF QD® Bushing, Steel
Standard/Approvals | : | PROP65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov |