These adaptor sleeves from THB fix conical self-aligning bearings like ball bearing and roller bearings without any support and just a simple structure over a shaft. They consist of tapered adapter bush, locknut and a washer. The set is replaced as a whole and the parts are not changeable since they come from the same source. The products are classified as H2, H23, H3, H31, H32, H30, H39. These sleeves can be used again and can be adjusted to suit your needs. It has a positive location and dismantling is simple. It can be used on gearboxes, cranes, elevators, pumps, mining equipments, wheel hubs, marine equipments, in railways and transportation equipments and agricultural equipments.