Sealed double row taper roller bearings consist of two cones with roller and cage, double-row cup and seal element, including two types of with cone spacer and without cone spacer. Such bearings are specially designed for rolling mill of H steel vertical roll. Clearance fit is adopted between cone and shaft. The bearings have sealing structure. They can well avoid leakage of lubricants and entrance of foreign matter into the bearings, which save time frequently replacing roller and improving work efficiency.