Martin 40BS48 1 Bored-to-Size Type BS Single Pitch Roller Chain Sprocket With Keyway, 1 in Dia Bore, 7.929 in OD, #40 Chain, 48 Teeth, 1/2 in Pitch, Steel
These finished bore sprockets are shaft ready and come complete with keyways and setscrews. The keyways are on center line of the tooth. Bored to size sprockets with 1/2 in bores and smaller are stocked with (2) setscrews only.
Martin Single Pitch Roller Chain Sprocket, Bored-to-Size Type BS, 1 in Bore Dia, 7.929 in Outside Dia, #40 Chain, 48 Teeth, 1/2 in Pitch, 7.645 in, 3-1/2 in Hub Dia, 5/16-18 x 5/16 in Screw, 1/4 x 1/8 in Keyway, 1-1/8 in Length Through Bore, Steel
| Bore Diameter | : | 1 in |
| Outside Diameter | : | 7.929 in |
| Chain Size | : | #40 |
| Number of Teeth | : | 48 |
| Pitch | : | 1/2 in |
| Material | : | Steel |
| Keyway Size | : | 1/4 x 1/8 in |
| Type | : | Bored-to-Size Type BS |
| Pitch Diameter | : | 7.645 in |
| Hub Diameter | : | 3-1/2 in |
| Length Through Bore | : | 1-1/8 in |
| Screw Size | : | 5/16-18 x 5/16 in |