Martin Sprocket
Martin Sprocket 3.5 - Gear, 3.5
Model: 3.5

Martin Sprocket 3.5 Gear coupling — 3.5 series, 4" bore, 4.25" max bore, Finished Bore, 1.000x0.250 keyway, Forged Steel, 11.75" OD, 180000 lb-in nominal torque, 2600 max RPM.
Technical Specifications
| Coupling Type | Gear |
| Series/Size | 3.5 |
| Max Bore (in) | 4.25 |
| Bore Type | Finished Bore |
| Exact Bore (in) | 4 |
| Keyway Size | 1.000x0.250 |
| Outer Diameter (in) | 11.75 |
| Material | Forged Steel |
| Nominal Torque (in-lbs) | 180000 |
| Max RPM | 2600 |
| Keyway Size Display | 1 x 1/4 |
Manufacturer

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