DEVICE FOR ATTACHMENT OF BEARINGS ON SHAFT IN MIDDLE PART THEREOF Russian patent published in 2020 - IPC B25B27/67 B23P19/04 

FIELD: machine building.

SUBSTANCE: invention relates to assembly production and can be used in production and restoration of bearing assemblies of various configurations. Device comprises expanding bushing with inner conical surface and pushers, wherein said ring is provided with support ring with outer conical surface and tension disc with ball separator. Pushers are arranged to interact with expanding bushing on axles installed in tension disc with possibility of their fixation by means of pins, expanding bushing is made with longitudinal connector and with possibility of its outer surface location in inner ring of bearing, and its inner conical surface is on outer conical surface of support ring, made with possibility of attachment to shaft. Tensioning disk is made with possibility of being installed on shaft with turning and transfer at axle motion through ball separator expansion sleeve for installation of specified degree of tension of bearing.

EFFECT: use of the invention allows obtaining high quality of connection of shafts and bearings, including, at repeated replacement and reinstallation of bearings.

1 cl, 1 dwg