Patent ID: 7926547

Claim:
A strand guiding roller comprising: at least one roller shell having opposite first and second ends, a respective shaft recess having an inner lateral surface in each end of the roller shell; a respective supporting shaft connected in a rotationally fixed manner at each end of the roller shell, a supporting bearing rotatably supporting each supporting shaft; the roller shell being connected in a rotationally fixed manner to the respective supporting shafts carrying the roller shell on both ends by shrink-fit connections or by press-fit connections; each supporting shaft comprising at least one shaft stub having an outer lateral surface which forms a shrink-fit connection or a press-fit connection with the inner lateral surface of the recess in a roller shell, the shrink-fit connection or press-fit connection producing a seal, wherein the shrink-fit connection or press-fit connection has a length of shrink fit for which the ratio of the length of the shrink fit to the diameter of the shaft is greater than 1, and further comprising the roller shell having a cylindrical outer surface; at least one coolant channel passing through the roller shell and the at least one coolant channel is arranged radially inward from the cylindrical outer surface of the roller shell; and substantially radial feed and discharge lines for a cooling medium pass through the shrink-fit connection between the supporting shaft and the roller shell.