Ruland Ruland Beam Coupling, 13mm Outside Diameter, 5mm Bore, 19.1mm Length Coupler Part: PCMR13-5-4-A

Miniature beam coupling handles angular and parallel shaft misalignment reliably.

Ruland Ruland Beam Coupling, 25mm Outside Diameter, 12mm Bore, 38.1mm Length Coupler Part: FCMR25-12-12-A

Flexible beam coupling for precision shaft alignment with angular and parallel misalignment.