A heated roll with a circular cylindrical casing tube 1 made from thermally conductive metal, which is closed at its end faces with caps 2, 3. One or more electric heating mats 8 are arranged inside the casing tube 1. By at least one connection pin 5, which is arranged at one cap 2, connection cables 11 are guided for supplying the heating mats 8 with electric power. Annular brushing bodies 7 are fastened at the connection pin 5 and serve for the electric contacting of the connection cables 11. A tensioning device 9, 14, 15 is arranged inside the casing tube 1, which presses the heating mats 8 permanently against the interior surface of the casing tube 1.