Automatic gear box`s housing sealing device, has roller bearing mounted on casing and including external annular cage carrying sealing lips extending radially towards interior from annular cage

摘要

The device has a roller bearing (6) mounted on a casing (1) delimiting an inner space (2) filled with a pressurized fluid to support a rotating shaft (3). Two annular sealing lips (19, 25) are integrated with the casing and are in contact with the shaft in a sliding manner. The bearing has a external annular cage (7) carrying the lips extending radially towards the interior from the cage. An opening (33) is arranged in the cage, where the opening is in communication with an liquid evacuation channel (34) of a liquid collecting chamber (24).