Martin Sprocket
Martin Sprocket 120B15 - ANSI 120, 15T, Type B hub, 0.5" bore, Finished bore, Carbon Steel, hardened teeth
Model: 120B15

Martin Sprocket 120B15 roller chain sprocket — ANSI 120 (1.500" pitch), 15 teeth, Type B hub, 0.5" finished bore, 7.215" pitch diameter, carbon steel, hardened teeth.
Technical Specifications
| ANSI Number | 120 |
| Teeth | 15 |
| Hub Style | Type B |
| Bore Type | Finished |
| Bore Size | 0.5 |
| Hardened Teeth | Yes |
| Pitch Diameter (in) | 7.215 |
| Outer Diameter (in) | 8.115 |
| 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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