Martin Sprocket
Martin Sprocket 120B25 - ANSI 120, 25T, Type C hub, 0.5" bore, Finished bore, Carbon Steel, hardened teeth
Model: 120B25

Martin Sprocket 120B25 roller chain sprocket — ANSI 120 (1.500" pitch), 25 teeth, Type C hub, 0.5" finished bore, 11.968" pitch diameter, carbon steel, hardened teeth.
Technical Specifications
| ANSI Number | 120 |
| Teeth | 25 |
| Hub Style | Type C |
| Bore Type | Finished |
| Bore Size | 0.5 |
| Hardened Teeth | Yes |
| Pitch Diameter (in) | 11.968 |
| Outer Diameter (in) | 12.868 |
| Material | Carbon Steel |
| LTB (in) | 1.5 |
Manufacturer

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