You searched for "parallel misalignment"
Huco
Huco Bellows Coupling, 56mm Outside Diameter, 19mm Bore, 65mm Length Coupler
Part: 554.56.4646
Bellows coupling for industrial machinery with tight misalignment compensation requirements.
Huco
Huco Bellows Coupling, 56mm Outside Diameter, 14mm Bore, 65mm Length Coupler
Part: 592.56.3838
Flexible bellows coupling for connecting rotating shafts with misalignment compensation.