Martin 25A48 Stock Bore Type A Single Pitch Roller Chain Sprocket, 1/2 in Dia Bore, 3.964 in OD, #25 Chain, 48 Teeth, 1/4 in Pitch, Steel
A plates are flat sprockets with no hub extension on either side. They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
Martin Single Pitch Roller Chain Sprocket, Stock Bore Type A, 1/2 in Bore Dia, 3.964 in Outside Dia, #25 Chain, 48 Teeth, 1/4 in Pitch, 3.822 in, 2 in Hub Dia, 0.11 in Length Through Bore, Steel
| Bore Diameter | : | 1/2 in |
| Chain Size | : | #25 |
| Hub Diameter | : | 2 in |
| Length Through Bore | : | 0.11 in |
| Material | : | Steel |
| Number of Teeth | : | 48 |
| Outside Diameter | : | 3.964 in |
| Pitch Diameter | : | 3.822 in |
| Pitch | : | 1/4 in |
| Type | : | Stock Bore Type A |