Martin Sprocket
Martin Sprocket 4030 - Taper-Lock, 4030
Model: 4030

Martin Sprocket 4030 Taper-Lock bushing — 4030 series, 3-3/4" bore, 7/8 x 7/16 keyway, 5.875" OD x 2.4380" long, ships with 2x 5/8-11 x 2-1/4" SHCS.
Technical Specifications
| Bushing Type | Taper-Lock |
| Series | 4030 |
| Max Bore (in) | 4.5000 |
| Bore Type | Keyed |
| Exact Bore (in) | 3.7500 |
| Keyway | 7/8 x 7/16 |
| Outer Diameter (in) | 5.875 |
| Length | 2.4380 |
| Hardware Included | 2x 5/8-11 x 2-1/4" SHCS |
| Exact Bore Display | 3-3/4" |
| Max Bore Display | 4-1/2" |
Manufacturer

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