Martin 25A40 Stock Bore Type A Single Pitch Roller Chain Sprocket, 1/2 in Dia Bore, 3.327 in OD, #25 Chain, 40 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, 3.327 in Outside Dia, #25 Chain, 40 Teeth, 1/4 in Pitch, 3.186 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 | : | 40 |
| Outside Diameter | : | 3.327 in |
| Pitch Diameter | : | 3.186 in |
| Pitch | : | 1/4 in |
| Type | : | Stock Bore Type A |