Bearing seal assembly for agricultural applications

Details Bearing seal assembly for agricultural applications Bearing seal assembly for agricultural applications

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 33/78 (2006.01) F16J 15/34 (2006.01) A01B 71/04 (2006.01)

Patent

CA 2549624

A contaminant-resistant bearing assembly includes a multi-lip seal with an extended shroud supported from the outer ring and projecting adjacent a stepped inner ring shoulder. A steel stinger supported from the inner ring is offset outwardly adjacent the shroud and includes a radially outer edge terminating closely adjacent the connection of the seal shroud to the outer ring. The stinger includes an outer portion angled inwardly from the radial direction and supporting a lip seal which contacts an angled portion of the seal shroud at a central location between the rings. A primary step machined on the inner ring prevents the stinger from being pushed into the seal.

Ensemble support résistant aux contaminants qui comprend un joint d'étanchéité à lèvres multiples avec un carénage étendu maintenu par la bague externe et faisant saillie de manière adjacente à l'accotement d'une bague interne étagée. Une rampe en acier maintenue par la bague interne est décalée vers l'extérieur à proximité du carénage et comprend un bord radialement externe se terminant près du point de connexion du joint d'étanchéité à la bague externe. La rampe comporte une partie externe inclinée vers l'intérieur à partir de la direction radiale et supporte un joint à lèvre qui entre en contact avec une partie coudée du joint d'étanchéité au centre entre les anneaux. Une plate-forme primaire usinée sur la bague interne empêche la rampe d'être poussée dans le joint d'étanchéité.

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