This hub has a 32mm bore, 10mm keyway, 75.0mm OD, and 18.0mm length.
This Controlflex hub is RoHS and REACH compliant and manufactured by Schmidt Kupplung in Germany. Ruland supplied Controlflex couplings are a lightweight, low inertia, and zero-backlash coupling designed for use in encoders, tachometers, resolvers, and light duty power transmission applications. This single insert type has higher misalignment capabilities than double insert styles. Controlflex Coupling Hub w/Key, Single, Bore 32mm, OD 75.