A roller cage for a profiling line, comprising: a support frame (F1); a first motor equipped with a first substantially horizontal spindle (12) that projects in a cantilever fashion externally to a shoulder (S1) of the support frame (F1) into an operating space of the line; a first transverse roller (13), assembled directly on the first spindle (12); a movable frame (F2), with which an upright first roller (33) is associated, rotating about a first shaft (32) which projects in a cantilever fashion from the movable frame (F2); the movable frame (F2) is movable between an operating position, in which the first shaft (32) assumes a substantially vertical position, and a non-operating position, in which the first shaft (32) assumes a substantially horizontal position and is facing the same way as the first spindle (12), towards the operating space of the line.
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