FIELD: machine building.
SUBSTANCE: friction bearing (1) consists of upper case (3) having lower circular surface (2), lower case (5) installed on case (3) rotating around axis (O) of case (3) and having upper circular surface (4) opposite to surface (2) of case (3), of circular thrust friction bearing (7) positioned in circular space (6) between surface (2) and surface (4), and of packing device (9) on internal periphery of space (6). Packing device (8) has external periphery packing section (61) positioned between case (3) and case (5) so, as to seal external periphery of space (6) and flexible circular lug (62) made on lower surface of section (61) and projecting in direction of conjugated element (seat of spring) abutting against lower surface of case (5).
EFFECT: preventing penetration of dust and rain water into space between lower case and conjugated element and into space between lower and upper cases even at low accuracy of fabrication of conjugated element.
9 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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