Looping roller for hot-rolled bar side loop

The invention provides a loop rising roller for a hot rolling bar side loop, which comprises a roller, a bearing sleeve and an end cover which are sequentially arranged along the axis of a roller shaft, an expansion sleeve is arranged between the roller and the roller shaft, the expansion sleeve and the bearing sleeve are arranged in a sealing manner, and the end cover is fixedly connected with the bearing sleeve; a first bearing is arranged between the bearing sleeve and the roller shaft, the first bearing is arranged at the end, close to the end cover, of the roller shaft, a gland is fixed to the first bearing, and the gland is fixed to the roller shaft. According to the scheme, the roller is installed and positioned through the expansion sleeve, the gland is fixed to the roller shaft, and the expansion sleeve and gland dual-fixing mode is adopted, so that the loop-rising roller is prevented from being separated from the roller shaft, and the use stability of the loop-rising roller is guaranteed. 本发明提供一种热轧棒