Rolling bearing for tube mill

The utility model discloses an antifriction bearing for a tube mill, comprising an outer ring and an inner ring, wherein a roller which is the single roller is between the outer ring and the inner ring, a holder is in the two ends of the roller, and a bolt drills through the holder to connect with the roller. The utility model has the advantages of small frictional factor, little calorific capacity, little energy consumption, simple structure and convenient maintenance, and reduces 40 percent electricity consumption compared with the tube mill of a brass type bearing. The utility realizes the technical innovation to the tube mill of a brass type bearing. Only needing to fetch the brass, the roller bearing can be installed, and the technical innovation cost is low. The utility model carries through the technical innovation to the prior tube mill, having very good applicability, and can provides for the fields such as building material, metallurgy and the like to use as the bearing of a tube mill.