On-line water and slag blocking device of rolling mill roller bearing seat

The utility model discloses an on-line water and slag blocking device of a rolling mill roller bearing seat of a strip production line, which comprises a breakwater (strip), a rubber strip (belt) and a fixing bolt; the rubber strip is arranged on the roller bearing seat; and the breakwater (strip) is arranged on the rubber strip, and both sides thereof are fixed on the bearing seat by bolts. The on-line water and slag blocking device of the rolling mill roller bearing seat has simple structure, is convenient to operate, is used for preventing roller cooling water and strip off oxide slag from entering spacing between the roller bearing seat and the frame of a rolling mill during the strip production process, improves the lubrication conditions of the bearing seat, improves the plate shape and size and surface quality, and prolongs the service life of a lining board on a contact surface between the roller bearing seat and the frame.