Martin E50SF76 Type B Triple Strand Solid Bushed Roller Chain Sprocket, 0.5 to 2.938 in Dia Bore, 15.486 in OD, #50 Chain, 76 Teeth, 5/8 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 B Triple Strand Solid Bushed, 0.5 to 2.938 in Bore, 15.486 in OD, #50 Chain, 76 Teeth, 5/8 in Pitch, 15.124 in Pitch Diameter, 4-5/8 in Diameter Hub, 1-1/4 in Length Through Bore, QD® SF Bushing, Steel
| Bore Diameter | : | 0.5 to 2.938 in |
| Bushing Type | : | QD® SF |
| Chain Size | : | #50 |
| Hub Diameter | : | 4-5/8 in |
| Length Through Bore | : | 1-1/4 in |
| Material | : | Steel |
| Number of Teeth | : | 76 |
| Outside Diameter | : | 15.486 in |
| Pitch Diameter | : | 15.124 in |
| Pitch | : | 5/8 in |
| Type | : | Type B Triple Strand Solid Bushed |