A calender for a sheet of paper comprising a metal roll which is rotated by a first driving unit. The calender further comprises a rotatable cylindrical jacket, a pressurizing shoe, and a plurality of support members. The cylindrical jacket is disposed opposite the metal roll to form a calender nip so that the sheet of paper is continuously passed through the calender nip. The pressurizing shoe is provided within the jacket at the position of the calender nip and presses the interior surface of the jacket radially outward to pressurize the calender nip. The support members are disposed inside the jacket so that they are equally balanced in the peripheral direction of the jacket.