Martin 40A40 Stock Bore Type A Single Pitch Roller Chain Sprocket, 23/32 in Dia Bore, 6.653 in OD, #40 Chain, 40 Teeth, 1/2 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, 23/32 in Bore Dia, 6.653 in Outside Dia, #40 Chain, 40 Teeth, 1/2 in Pitch, 6.373 in, 3-1/2 in Hub Dia, 0.284 in Length Through Bore, Steel
| Bore Diameter | : | 23/32 in |
| Chain Size | : | #40 |
| Hub Diameter | : | 3-1/2 in |
| Length Through Bore | : | 0.284 in |
| Material | : | Steel |
| Number of Teeth | : | 40 |
| Outside Diameter | : | 6.653 in |
| Pitch Diameter | : | 6.373 in |
| Pitch | : | 1/2 in |
| Type | : | Stock Bore Type A |