Martin D60E52 Type C2 Double Strand Solid Bushed Roller Chain Sprocket, 0.875 to 3.313 in Dia Bore, 12.849 in OD, #60 Chain, 52 Teeth, 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 Roller Chain Sprocket, Type C2 Double Strand Solid Bushed, 0.875 to 3.313 in Bore, 12.849 in OD, #60 Chain, 52 Teeth, 3/4 in Pitch, 12.422 in Pitch Diameter, 6 in Diameter Hub, 1-5/8 in Length Through Bore, QD® E Bushing, Steel
| Bore Diameter | : | 0.875 to 3.313 in |
| Bushing Type | : | QD® E |
| Chain Size | : | #60 |
| Hub Diameter | : | 6 in |
| Length Through Bore | : | 1-5/8 in |
| Material | : | Steel |
| Number of Teeth | : | 52 |
| Outside Diameter | : | 12.849 in |
| Pitch Diameter | : | 12.422 in |
| Pitch | : | 3/4 in |
| Type | : | Type C2 Double Strand Solid Bushed |