The sealed bearing's model suffix is 2RS1, use nitrile rubber seals with strengthen steel plate, insert the groove in the inner side.The seal lip of the sealing exert light pressure on the inner ring, become a barotropic seal.The edge card of the sealing is in the groove of the outer ring, provide a good seal.The allowed operating temperature of this kind of seals is from minus 40 degrees Celsius to 100 degrees,it can up to 120 degrees Celsius in short period of time. In the extreme operating conditions, Such as high speed or high temperature, oil may be leakage from the inner ring of the seal bearing. If such a situation might not be conducive to the application,it should take special design steps to prevent this from happening.