Martin D08CTB42 Type C Double Strand Solid Stock Bore Roller Chain Sprocket, 63.5 mm Dia Bore, 177.31 mm OD, #08B-2 Chain, 42 Teeth, 12.7 mm Pitch, High Carbon 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 C Double Strand Solid Stock Bore, 63.5 mm Bore, 177.31 mm OD, #08B-2 Chain, 42 Teeth, 12.7 mm Pitch, 169.94 mm Pitch Diameter, 108 mm Diameter Hub, 44.45 mm Length Through Bore, 2517 Taper Bushing, High Carbon Steel
| Bushing Type | : | 2517 Taper |
| Bore Diameter | : | 63.5 mm |
| Outside Diameter | : | 177.31 mm |
| Chain Size | : | #08B-2 |
| Number of Teeth | : | 42 |
| Pitch | : | 12.7 mm |
| Material | : | High Carbon Steel |
| Hub Diameter | : | 108 mm |
| Length Through Bore | : | 44.45 mm |
| Pitch Diameter | : | 169.94 mm |
| Type | : | Type C Double Strand Solid Stock Bore |
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q