Martin 10BTB57 Type B Single Strand Stock Bore Welded Roller Chain Sprocket, 50.8 mm Dia Bore, 297.86 mm OD, #10B-1 Chain, 57 Teeth, 15.88 mm Pitch, Steel
A metric taper bushed sprocket 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. Taper bushed sprockets have a tapered bushing bolted into a taper bore with hex head set screws instead of bolts.
Martin Roller Chain Sprocket, Type B Single Strand Stock Bore Welded, 50.8 mm Bore, 297.86 mm OD, #10B-1 Chain, 57 Teeth, 15.88 mm Pitch, 288.18 mm Pitch Diameter, 91 mm Diameter Hub, 31.75 mm Length Through Bore, 2012 Taper Bushing, Steel
| Bore Diameter | : | 50.8 mm |
| Bushing Type | : | 2012 Taper |
| Chain Size | : | #10B-1 |
| Hub Diameter | : | 91 mm |
| Length Through Bore | : | 31.75 mm |
| Material | : | Steel |
| Number of Teeth | : | 57 |
| Outside Diameter | : | 297.86 mm |
| Pitch Diameter | : | 288.18 mm |
| Pitch | : | 15.88 mm |
| Type | : | Type B Single Strand Stock Bore Welded |