ROLLER GAP MEASURING DEVICE

The present disclosure relates to a roller gap measuring device for measuring a gap between a pair of rollers, and the roller gap measuring device includes a gap measurement sensor unit that measures the gap between the pair of rollers, wherein the pair of rollers each includes a rotating shaft extending laterally; and a bearing unit mounted on the rotating shaft, wherein the bearing unit includes a bearing mounted on an outer surface of the rotating shaft; and a bearing housing accommodating the bearing, wherein the gap measurement sensor unit is positioned in the bearing housing and measures a distance between the rotating shaft and the gap measurement sensor unit to measure the gap between the pair of rollers.