This adapter sleeve provides a cylindrical mounting interface for bearings with a tapered bore, converting a straight shaft seat into the taper required for interference fit. It has a bore diameter of 220.0 mm and a net mass of 13.7 kg, corresponding to a standard design without additional design variants noted in the data. The sleeve allows the bearing to be positioned at any point along a plain cylindrical shaft, with axial displacement generating the radial interference fit against the shaft. As a mechanical accessory component, it is tightened using a locknut and locking device rather than heat or hydraulic pressure, which simplifies mounting and dismounting compared with a bearing fitted directly onto a tapered shaft seat. The complete design (H3048) includes all parts needed for installation on a shaft matching the specified bore diameter.