Martin Sprocket
Martin Sprocket 4.5 - Gear, 4.5
Model: 4.5

Martin Sprocket 4.5 Gear coupling — 4.5 series, 5" bore, 5.5" max bore, Finished Bore, 1.250x0.313 keyway, Forged Steel, 15" OD, 360000 lb-in nominal torque, 2100 max RPM.
Technical Specifications
| Coupling Type | Gear |
| Series/Size | 4.5 |
| Max Bore (in) | 5.5 |
| Bore Type | Finished Bore |
| Exact Bore (in) | 5 |
| Keyway Size | 1.250x0.313 |
| Outer Diameter (in) | 15 |
| Material | Forged Steel |
| Nominal Torque (in-lbs) | 360000 |
| Max RPM | 2100 |
| Keyway Size Display | 1-1/4 x 5/16 |
Manufacturer

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