The outer ring of TFs series cam clutch and the seat hole of the engine body are designed according to the press fit method. The accuracy of surface dimensions must be ensured to obtain good use effect.

The inner diameter of the inner ring and the end face of the outer ring are provided with keyways. When the outer ring is connected with the base hole of the machine body by a key, the size of the base hole of the machine body shall use the H6 tolerance. If the inner diameter of the body seat hole is within K6 tolerance, the key does not have to go deep into the end face of the cam clutch.

Oil lubrication or grease lubrication is recommended.