FIELD: machine engineering.
SUBSTANCE: sealing unit made in the form of flexible elastic elements assembled in a multi-layered cylinder, part of which is fixed between the inner and outer rings. Flexible sealing elements have grooves, while the grooves of the previous element are overlapped by the surface of the subsequent one. The inner surface of multilayer cylinder is in contact with the surface of shaft collar.
EFFECT: reliability, manufacturability and reduced diametral dimensions of the sealing unit.
2 dwg
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