HUB-BEARING UNIT OF AGRICULTURAL CULTIVATOR DISC Russian patent published in 2019 - IPC A01B71/04 A01B61/00 A01B23/00 A01B35/28 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to the field of agricultural machine building. Hub-bearing unit of agricultural cultivator disc comprises annular hub, having axially extending tubular part containing housing, and radially external flange for installation with possibility of rotation around axis of cultivator disc. Inside the housing there is a bearing unit comprising an outer ring, a pair of inner rings and a double set of rolling elements located between the outer ring and the inner rings. An elastic damping body is installed in axial direction on the external flange on the side facing the mounted cultivator disc. Elastic damping body is located on, in fact, annular surface of outer flange in external in axial direction position. Elastic damping body is made of elastomeric or plastic material and comprises a substantially annular wall, which is permanently connected to a substantially cylindrical wall, located in a radially external position relative to the annular wall.

EFFECT: longer service life of bearing is provided.

7 cl, 4 dwg