We offer tapered roller bearing. Tapered roller bearings can be detached, inner rings with roller and outer ring, cage together to form a component can be installed separately. Roller and the raceway contact correction of contact wire can reduce stress concentrations. Tapered roller bearings can accommodate radial loads and axial loads. As tapered roller bearings only passes a one-way axial loading, so pass for opposite direction axial loads with the symmetrical installation on needs another taper roller bearing.