Shaft-matched roller sleeve transformation structure of continuous casting roller

The utility model relates to the field of structural design of continuous casting rollers, in particular to a shaft-matched roller sleeve transformation structure of a continuous casting roller, which comprises a mandrel, a roller sleeve, a bearing and a middle bearing seat, and is characterized in that the bearing is a CARB bearing, a first positioning baffle ring is arranged on one side of the bearing, a second positioning baffle ring is arranged on the other side of the bearing, a first transparent cover is arranged on the first positioning baffle ring, and a second transparent cover is arranged on the second positioning baffle ring. A second transparent cover is arranged on the second positioning baffle ring, the first transparent cover and the second transparent cover abut against the left side and the right side of the bearing and the left side and the right side of the middle bearing seat respectively, and stacked rings and framework oil seals are arranged on the first transparent cover and the second