You searched for "parallel misalignment"
Huco
Huco Universal Lateral, 12mm Bore Coupler
Part: 205.41.3535
Flexible universal lateral coupling handling shaft misalignment in industrial machinery.
Huco
Huco Universal Lateral, 1/2in Bore Coupler
Part: 205.41.3636
Small flexible coupling that connects rotating shafts with slight misalignment tolerance.