Itcan be used in these occasions with the demand of high rotation, lownoise, and low oscillation. Bearing with seal together with steel coverof rubber seal usually filled with lubricant in advance ,the outsidering with stopping circle or flange ,these will not only be easier foraxial orientation ,but also good for the installing of outside shell.The size of maximum loading bearing is just the same as
standard bearing,while with backfill trough in the inside and outside ,which can addthe balls, and improve the maximum load at the same time.