You searched for "parallel misalignment"
Huco
Huco Bellows Coupling, 26mm Outside Diameter, 12mm Bore, 37.5mm Length Coupler
Part: 530.26.3535
Stainless steel bellows coupling handles shaft misalignment in industrial equipment.
Huco
Huco Bellows Coupling, 26mm Outside Diameter, 8mm Bore, 37.5mm Length Coupler
Part: 536.26.2828
Stainless steel bellows coupling absorbs misalignment in small rotating shafts.
Huco
Huco Bellows Coupling, 26mm Outside Diameter, 6mm Bore, 37.5mm Length Coupler
Part: 530.26.2222
Flexible bellows coupling for moderate torque transmission with excellent misalignment tolerance.