Sealing device for a wheel hub unit
First Claim
1. Sealing device (1) (1′
- ) for a wheel hub unit (2), the wheel hub unit (2) being connected to a differential device (3), and being provided with a contact rolling bearing (9), the sealing device (1) (1′
) being mounted in such a way as to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and comprising;
a first shield (22) which is provided with a shrink fit portion (33a) which is shrink fit onto an external relief (60) of an outer race (10) of the bearing (9); and
a second shield (23) which is intergral with an inner race (11) of the bearing (9), and which is arranged, in relation to the bearing (9), inside the first shield (22) in order to counter-face the first shield (22) itself, the sealing device (1) (1′
) being characterised by the fact that is comprises a first static sealing element (51) (51′
), which is associated with a terminal border (37) of the shrink fit portion (33a), and which is arranged inside said external relief (60).
1 Assignment
0 Petitions
Accused Products
Abstract
Sealing device (1) for a wheel hub unit (2) which is connected to a differential (3) of a vehicle, and which is provided with a contact rolling bearing (9), the sealing device (1) being mounted in order to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which counter-faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and the second shield (23); a first static sealing element (51) being associated with a terminal border (37) of the shrink-fit portion (33a), and being arranged inside an external relief (60) in order to create a static seal with a box (5) which extends from the differential (3) to the unit (2).
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Citations
9 Claims
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1. Sealing device (1) (1′
- ) for a wheel hub unit (2), the wheel hub unit (2) being connected to a differential device (3), and being provided with a contact rolling bearing (9), the sealing device (1) (1′
) being mounted in such a way as to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and comprising;
a first shield (22) which is provided with a shrink fit portion (33a) which is shrink fit onto an external relief (60) of an outer race (10) of the bearing (9); and
a second shield (23) which is intergral with an inner race (11) of the bearing (9), and which is arranged, in relation to the bearing (9), inside the first shield (22) in order to counter-face the first shield (22) itself, the sealing device (1) (1′
) being characterised by the fact that is comprises a first static sealing element (51) (51′
), which is associated with a terminal border (37) of the shrink fit portion (33a), and which is arranged inside said external relief (60). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- ) for a wheel hub unit (2), the wheel hub unit (2) being connected to a differential device (3), and being provided with a contact rolling bearing (9), the sealing device (1) (1′
Specification