Martin Sprocket
Martin Sprocket 40BH12 - ANSI 40, 12T
Model: 40BH12

Martin Sprocket 40BH12 roller chain sprocket — ANSI 40 (0.500" pitch), 12 teeth, Type B hub, 0.875" pilot bore, 1.932" pitch diameter, steel, hardened teeth.
Technical Specifications
| ANSI Number | 40 |
| Teeth | 12 |
| Hub Style | Type B |
| Bore Type | Pilot Bore |
| Bore Size | 0.875 |
| Hardened Teeth | Yes |
| Pitch Diameter (in) | 1.932 |
| Outer Diameter (in) | 2.232 |
| Material | Steel |
| LTB (in) | 1.125 |
Manufacturer

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