Deflection-stopping rolling wheel

The utility model relates to a deflection-stopping rolling wheel, and belongs to the technical field of assembly of components and parts. The deflection-stopping rolling wheel comprises a rolling wheel body, a rolling bearing, a positioning bolt, a rolling wheel support, a fixing nut and bearing retainer rings, wherein the rolling wheel body is connected to the rolling-bearing positioning surface of the positioning bolt through the rolling bearing, and the bearing retainer ring I is installed in a retainer ring installation groove of the positioning bolt; the bearing retainer ring II is installed in a retainer ring installation groove of the rolling wheel body; the two ends of the positioning bolt are inserted into rolling shaft positioning grooves of two supporting boards of the rolling wheel support, a threaded section, penetrating out of one supporting board, at the front end of the positioning bolt is connected with the fixing nut, and therefore the positioning bolt is positioned relative to the rolling w