Martin Sprocket
Martin Sprocket 40B9 - ANSI 40, 9T, Type B hub, 0.5" bore, Finished bore, Carbon Steel, hardened teeth
Model: 40B9

Martin Sprocket 40B9 roller chain sprocket — ANSI 40 (0.500" pitch), 9 teeth, Type B hub, 0.5" finished bore, 1.462" pitch diameter, carbon steel, hardened teeth.
Technical Specifications
| ANSI Number | 40 |
| Teeth | 9 |
| Hub Style | Type B |
| Bore Type | Finished |
| Bore Size | 0.5 |
| Hardened Teeth | Yes |
| Pitch Diameter (in) | 1.462 |
| Outer Diameter (in) | 2.55 |
| Material | Carbon Steel |
| LTB (in) | 1 |
Manufacturer

Martin Sprocket
Full-line manufacturer of sprockets, gears, sheaves, couplings, and other power transmission products.
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