Self-supporting sliding gate system for courtyard and property entrances—without a floor track in the passageway. The gate runs cantilevered on Roller brackets alongside the opening. As a coordinated complete system: 67 × 67 mm guide rail, Roller brackets, Sliding door rollers and brackets, Rack and pinion, End stoppers, and End stops. Two configuration levels up to 300 kg / 5 m and 600 kg / 6 m, respectively.