FIELD: mechanics.
SUBSTANCE: invention relates to sealing devices intended for bearings of machines and mechanisms. The roll bearing sealing device containing a bearing cap with a ring element and, at least, two sealing collars. One of them, a face-type collar, is arranged on the cap ring element and contacts by its working edge with the face surface in the roll recess. The cap ring element is made tapered extending beyond the sizes of sealing collar set in the sap, while the roll face has an additional tapered recess receiving the ring element to form, together with the additional recess, a slot seal. Here, note that screw-like grooves are made on the additional recess tapered surface. Also, the device is provided with one more face sealing collar set on the roll neck contacting by its working edge with the cap.
EFFECT: increase in the sealing device service life and simplification of its mounting.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2396136C1 |
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|
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|
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| SEALING DEVICE OF ROLL-NECK BEARING | 2008 |
|
RU2377087C1 |
| SQUEEZER ROLLER SUPPORT SEAL | 2009 |
|
RU2389573C1 |
| SEALING DEVICE OF TURNING ROLLER BEARING | 2011 |
|
RU2456106C1 |
