Patent ID: 11933362
Assignee: SIVANTOS PTE. LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A method for replacing a used bearing, wherein
the used bearing is arranged during operation at a bearing seat and supports a rotor shaft extending along an axis of rotation and in an axial direction towards a rotor hub as part of a rotor unit, the used bearing is arranged in a bearing housing designed as a one-piece, non-divided bearing housing and is fastened to a machine carrier;
the method comprises: without disassembly of the rotor shaft,
removing the bearing housing from the used bearing by axial displacement by pulling or pressing the bearing housing off the used bearing in the direction of the axis of rotation, wherein the bearing housing remains arranged around the rotor shaft;
dividing the used bearing, and removing the used bearing from the rotor shaft;
mounting a new bearing around the rotor shaft, the new bearing having an inner ring, an outer ring, and rolling elements arranged therebetween; and
arranging the new bearing in the bearing housing after removing the used bearing from the rotor shaft;
wherein a labyrinth seal system of the used bearing is replaced by a rotor shaft seal ring in the new bearing, which has a smaller footprint compared to the labyrinth seal system.