Abstract: The invention relates to a guide support for a tube bending machine (1), comprising a baseframe (2), a bending head (3), a bending arm (4), a bending roller (9), a locking jaw (12) for the bending of a tube (5), and sliding means (15, 16) for the displacement of the bending head (3) in the horizontal and vertical directions with relation to the baseframe (2), comprising at least two guides (28, 29) the recesses of which are arranged in opposite directions with relation to the position of the tube (5) for the bending and guiding and displacement means (18, 19, 23, 24) for the guides (28, 29) of the bending head (3).