Flanged Keyed Drive Hub 4-Bolt With Set Screw Hole - Unbranded, Used Untested

Flanged keyed drive hub with a four-bolt mounting flange, keyed through bore, and a threaded radial hole for a set screw over the keyway.

Application: Not verified. No manufacturer name or part number is visible on this part. It is a generic-style flanged keyed hub of a type used on marine auxiliary drives, industrial pulley and sheave mounting, and similar equipment. It is sold by photographs, identifiers, and approximate dimensions only — no specific engine, transmission, pump, or vessel fitment is claimed.

Approximate dimensions (estimated from photos, not measured): flange OD ~4 in, barrel OD ~2-1/4 in, bore ~1-1/4 to 1-1/2 in, overall height ~2-1/2 in. Bore, keyway, bolt circle, and flange OD must be measured by the buyer before purchase.

Condition: Used, untested take-off (grade C). Heavy surface corrosion and pitting throughout; bore and keyway show scale. No set screw, key, or hardware included. No testing of any kind has been performed and no claim of serviceability is made.

Quote is subject to final fitment confirmation by engine/transmission serial number, part number, photos, and supplier availability.

Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.