Martin 41BS72 1 1/4 Type B Bored-to-Size Single Strand Welded Roller Chain Sprocket, 1-1/4 in Dia Bore, 11.752 in OD, #41 Chain, 72 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 Roller Chain Sprocket, Type B Bored-to-Size Single Strand Welded, 1-1/4 in Bore, 11.752 in OD, #41 Chain, 72 Teeth, 1/2 in Pitch, 11.4628 in Pitch Diameter, 4 in Diameter Hub, 5/16-18 x 5/16 in Screw, 1/4 x 1/8 in Keyway, 1-3/16 in Length Through Bore, Steel
| Bore Diameter | : | 1-1/4 in |
| Outside Diameter | : | 11.752 in |
| Chain Size | : | #41 |
| Number of Teeth | : | 72 |
| Pitch | : | 1/2 in |
| Material | : | Steel |
| Keyway Size | : | 1/4 x 1/8 in |
| Type | : | Type B Bored-to-Size Single Strand Welded |
| Pitch Diameter | : | 11.4628 in |
| Hub Diameter | : | 4 in |
| Length Through Bore | : | 1-3/16 in |
| Screw Size | : | 5/16-18 x 5/16 in |
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q