Support device with nut assembly

A support device comprising a nut, the nut having a neck-like retainer for a screw, the neck-like retainer having a radial outer circumference and being provided with a radial projection, and a support member for the nut, the support member having a stirrup-shaped cross section, the support member comprising two legs and a cross-member connecting the two legs to one another, wherein the cross-member of the support member engages over the radial projection of the neck-like retainer, and wherein the neck-like retainer extends with play through an opening of the support member, a support collar being supported in radial direction directly on the radial outer circumference of the neck-like retainer of the nut whereby the support collar is mounted releasably and in a clamping manner on the radial outer circumference of the neck-like retainer, wherein the support collar extends over the cross-member of the support member on a side facing away from the radial projection of the neck-like retainer.