Material:Steel. Concentricity: about 0,02 mm. Tolerance: Shaft k6-h10, Hub H8. Mounting: The bush is mounted quickly. Just place the bush inside the hub and push both onto the shaft. Fasten with Allen key. Demounting: Remove tensioning screws. Put screws in forcing thread and fasten them until the bush is pressed off. MN = transmittable torque at load of 0. If the screws are fastened with Manz. Fa = transmittable axial force at torque of 0. If the screws are fastened with Manz. Manz = required fastening torque for the screws. The dimensions refer to bushes before assembly.