The withdrawal sleeve is a cylindrical journal mainly used to fix the tapered bore bearing on the stepped shaft. This is different from the adapter sleeve, which can be used for both smooth shafts and stepped shafts. The withdrawal sleeve can only be used for stepped shafts.

The withdrawal sleeve is pressed between the tapered bore bearing and the shaft against the shoulder or similar device, and is fixed to the shaft with a nut or end plate. Since the threads on the shaft end can have different sizes depending on the application, the locknut or end plate are not supplied with the withdrawal sleeve and need to be ordered separately. The nuts required when removing the withdrawal sleeve also need to be ordered separately.

The surface of the withdrawal sleeve is coated with anti-rust agent, and there is a slit on the sleeve. The taper of the surface is generally 1:12. The nuts required when removing the withdrawal sleeve also need to be ordered separately.

The oil injection method can simplify the installation and disassembly of bearings. To cooperate with this method, general customization companies can provide designs with oil passages and oil grooves. These AOH extractors have two oiling inlets on the threaded side. On both the conical surface and the cylindrical inner surface of the withdrawal sleeve, there are some oil grooves distributed along the circumferential and axial directions. When hydraulic oil is injected into the oil circuit and oil groove, an oil film will be formed between the mating surfaces of the bearing and the push-off sleeve, as well as the shaft and the withdrawal sleeve, which can greatly reduce the force required when installing the bearing.