Patent ID: 6840077

Claim:
A roll stand for rolling bar-shaped or tubular material, having a stand housing ( 1 ), at least one roll ( 6 ) which is arranged on a roll shaft ( 2 ) mounted in a rotatable manner in the stand housing ( 1 ), the roll shaft ( 2 ) being subdivided into at least two sectional shafts ( 3 , 4 ) in such a way that the roll ( 6 ), can be removed from the roll shaft ( 2 ) after the sectional shafts ( 3 , 4 ) have been moved apart by a distance in the axial direction, a bearing device provided in the stand housing ( 1 ) and supporting the roll shaft ( 2 ) in a rotatable manner, and at least one labyrinth-seal arrangement ( 21 , 22 ) which is provided at least between one of the sectional shafts ( 3 , 4 ) and the bearing device and permits the shifting of the sectional shafts ( 3 , 4 ) by the distance, wherein the labyrinth-seal arrangement ( 21 , 22 ) is arranged in an annular gap ( 23 , 24 ) formed between the respective sectional shaft ( 3 , 4 ) and the bearing device.