Martin 40SK72 QD Bushed Type B Single Pitch Roller Chain Sprocket, 11.752 in OD, #40 Chain, 72 Teeth, 1/2 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, 11.752 in Outside Dia, #40 Chain, 72 Teeth, 1/2 in Pitch, 11.463 in, 4 in Hub Dia, 1-15/16 in Length Through Bore, Type SK QD® Bushing, Steel
Bushing Type | : | Type SK QD® |
Outside Diameter | : | 11.752 in |
Chain Size | : | #40 |
Number of Teeth | : | 72 |
Pitch | : | 1/2 in |
Material | : | Steel |
Type | : | QD Bushed Type B |
Pitch Diameter | : | 11.463 in |
Hub Diameter | : | 4 in |
Length Through Bore | : | 1-15/16 in |