The invention relates to an electric plug connector socket (1) comprising a cylindrical socket sleeve (2), wherein the socket sleeve (2) is formed with a receiving space (20) in which a cylindrical lamination cage (3) having a multiplicity of contact laminations (31) running in parallel is pushed, wherein the lamination cage (3) has a first and second end-side encircling collar web (32a, 32b), between which the contact laminations (31) run, characterized in that the lamination cage (3) is clamped and/or fastened at the one (first) end at least axially and preferably also non-rotatably in the socket sleeve (2), and an axial and rotatable plain bearing in relation to the socket sleeve (2) is provided at the other (second) opposite end.