ug123UG-123 from Bimba at RS. Description. Cylinder, Ultran Rodless Gold Coupling Strength; 1-14In Bore 12; Stroke: 3UG-123 - Double-acting ar rodless air-hydro cyl. actuator with gold coupl. strength - IMI Bimba (Ultran rodless cylinder series) - 1-14 bore (B1-14) - 3 stroke (S3) - 34-16 mounting nut +