as can be seen at 24 so that a somewhat larger spacing from the inside circumference of the longitudinal bore hole 13 is provided in order to counteract the deflection of the roll body 1 downward according to fig1 the forces which must be exerted in the chamber 21 for practical purposes correspond to the total forces exerted by the line pressure on the roll 10 these forces are too large for the bearings 18 since they can have no larger outside diameter than can be accommodated in the longitudinal bore hole 13 since the bearings 18 are stressed by forces which attempt to push the core 14 according to fig1 downward a load relief device is provided which engages at the end regions of the core 14 located outside the bearings 18 within the roll journals 2 and within the outer bearings and pushes the latter upward as may be seen from fig2 there are again provided in this region longitudinal seals 29 which are arranged at the core at about half height thereof i e at its widest point rest against the inside circumference of the longitudinal bore 13 with a seal and extend all the way to the transverse end seals 20 fig1 which are located at the ends of a region 30 fig1 in the region 30 a longitudinal chamber 31 is divided off by the longitudinal seals 29 on the side facing away from the rolling gap 6 while a longitudinal chamber 32 is situated on the opposite side the longitudinal chamber 31 is in communication via a branch line 33 with the pipeline 17 for supplying the hydraulic pressure medium if hydraulic pressure medium is supplied to the chamber 31 the core is subjected to a force which according to fig1 is directed from.