Pulling-off device

A device for dismounting a neck bush (4), a bearing bush (5,) and a chock (6) from a conically constructed region of a roll neck (2) of a roll (1), the device comprising a pressure shoulder ring (8), which is supported on an end face of the neck bush (4), installed on a roll neck shoulder (3) of the roll (1) so as to form a gap (11) between the pressure shoulder ring (8) and an end face (7) of the roll neck (2), where the pressure shoulder ring (8) is coupled with the neck bush (4), and where at least one pressure medium for removing the neck bush (4) and the chock (6) is provided in the gap (11), at least one bore (12) being provided in the roll neck shoulder (3), through which the pressure medium can be supplied to the gap (11) between the end face (7) of the roll neck (2) and the pressure shoulder ring (8), wherein the bore (12) has a connection at the free end of the roll neck shoulder (3) for connecting a pressure medium line.