Martin Sprocket
Martin Sprocket 120B28 - ANSI 120, 28T, Type B hub, 0.5" bore, Finished bore, Carbon Steel
Model: 120B28

Martin Sprocket 120B28 roller chain sprocket — ANSI 120 (1.500" pitch), 28 teeth, Type B hub, 0.5" finished bore, 13.397" pitch diameter, carbon steel.
Technical Specifications
| ANSI Number | 120 |
| Teeth | 28 |
| Hub Style | Type B |
| Bore Type | Finished |
| Bore Size | 0.5 |
| Hardened Teeth | No |
| Pitch Diameter (in) | 13.397 |
| Outer Diameter (in) | 14.297 |
| 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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