An axle mounting unit for commercial vehicles a surrounding element, an end element, at least one fastening element and a securing device, configured for mounting a first chassis part that comprises an axle, with a second chassis part that comprises a control arm, wherein a surrounding element is arranged on the first chassis part, an end element is arranged on the second chassis part, wherein the surrounding element has at least two legs extending in a leg direction, the end element extends between the two legs, the fastening element braces the end element with the surrounding element, the securing device creates a form-fit securing device that limits and/or prevents a displacement of the separated part in the leg direction in a positive-locking manner in the event of mechanical failure.