Method for assembling a tapered roller bearing, and assembly unit for this purpose

A method for assembling a tapered roller bearing, comprising:

• providing a first rolled-on surface element having a raceway and an axial end surface,
• mounting a plurality of tapered rollers separated by a plurality of bearing cage segments or by a plurality of roller spacers on the raceway, each of the plurality of tapered rollers having a frustoconical rolling surface and a circular end surface meeting the frustoconical rolling surface at a junction,
• after mounting the plurality of tapered rollers on the raceway, placing at least one assembly ring around the plurality of tapered rollers to hold the plurality of tapered rollers against the first rolled-on surface element, and
• moving the first rolled-on surface element and/or a second rolled-on surface element coaxially and vertically toward each other such that a portion of the second rolled-on surface element contacts the at least one assembly ring and pushes the at least one assembly ring axially off the plurality of tapered rollers.