Low torque labyrinth seal assembly

The low-torque labyrinth type sealing assembly mainly comprises a framework A and the like, an outer ring and an inner ring are mutually assembled through steel balls held by a holder, a roller path is formed between the outer ring and the inner ring, the inner side of an opening of the outer ring is connected with the framework A, the outer side of the inner ring is connected with a framework B, the outer side of the framework B is connected with a framework C in an interference fit mode, and the framework A, the framework B and the framework C are mutually nested and matched. The framework B is wrapped with magnetic rubber, the magnetic rubber is in contact with the inner ring, the framework A is wrapped with outer wrapping rubber, the outer wrapping rubber is provided with protrusions which are in press fitting interference fit with the outer ring, and the outer wrapping rubber is provided with a lip A, a lip B and a lip C; on the premise that magnetic signal output and sealing performance are ensured, a f