Martin Sprocket
Martin Sprocket 120B21 - ANSI 120, 21T
Model: 120B21
Martin Sprocket 120B21 roller chain sprocket — ANSI 120 (1.500" pitch), 21 teeth, Type B hub, 2.125" pilot bore, 10.064" pitch diameter, steel.
Technical Specifications
| ANSI Number | 120 |
| Teeth | 21 |
| Hub Style | Type B |
| Bore Type | Pilot Bore |
| Bore Size | 2.125 |
| Hardened Teeth | No |
| Pitch Diameter (in) | 10.064 |
| Outer Diameter (in) | 10.964 |
| 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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