The flexible bearing, one of the core components of harmonic drive, meets the requirement of high reduction ratio through the elastic deformation, and its service life is closely related to that of the harmonic drive depending on the service life of flexible bearing. The flexible bearing constantly changes with the elastic deformation of flexspline during the operation, and bears not only the cyclic stress load but also the alternating stress load.

The flexible bearing, one of the core components of harmonic drive, enables meeting the requirement of high reduction ratio through the elastic deformation, and its service life is closely related to that of the harmonic drive depends on the service life of flexible bearing. The flexible bearing constantly changes with the elastic deformation of flexspline during the operation, and bears not only the cyclic stress load but also the alternating stress load.

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