Martin Sprocket
Martin Sprocket F - QD, F
Model: F

Martin Sprocket F QD bushing — F series, 3-1/2" bore, 7/8 x 3/16 keyway, 6.875" OD x 3.0000" long, 5.875" bolt circle, ships with 3x 1/2-13 Cap Screws.
Technical Specifications
| Bushing Type | QD |
| Series | F |
| Max Bore (in) | 4.8750 |
| Bore Type | Keyed |
| Exact Bore (in) | 3.5000 |
| Keyway | 7/8 x 3/16 |
| Outer Diameter (in) | 6.875 |
| Length | 3.0000 |
| Bolt Circle (in) | 5.875 |
| Hardware Included | 3x 1/2-13 Cap Screws |
| Exact Bore Display | 3-1/2" |
| Max Bore Display | 4-7/8" |
Manufacturer

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