US 12,031,584 B2
Sealing device for a bearing
Elias Ferreira Machado, Sorocaba (BR); and Felipe Travaioli Souza, Sorocaba (BR)
Assigned to Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
Filed by SCHAEFFLER TECHNOLOGIES AG & CO. KG, Herzogenaurach (DE)
Filed on Jun. 23, 2022, as Appl. No. 17/847,640.
Prior Publication US 2023/0417287 A1, Dec. 28, 2023
Int. Cl. F16C 33/78 (2006.01)
CPC F16C 33/7883 (2013.01) [F16C 33/7853 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A sealing assembly for protecting a bearing from contamination, the sealing assembly comprising:
an annular insert having a cross-section including a radial arm and an axial arm configured to press against an outer bearing ring;
an annular sealing member being co-molded to the annular insert, the annular sealing member having a cross-section including a first arm directed in an axial direction and a second arm directed in a radial direction, and at least one radially oriented lip extending from the first arm; and
an annular shield configured to engage the annular sealing member and an inner bearing ring;
wherein an axially outer boundary of the annular sealing member includes a plurality of protrusions configured to deflect contamination.
 
3. A bearing assembly comprising:
an outer bearing ring;
an inner bearing ring;
a sealing assembly including an annular insert having a cross-section including a radial arm and an axial arm configured to press against the outer bearing ring;
an annular sealing member attached to the annular insert; and
an annular shield configured to engage at least a portion of the annular sealing member;
wherein the inner bearing ring includes a contact surface configured to engage with at least a portion of the annular sealing member and a stopper configured to provide an abutment surface for the annular shield;
wherein the annular shield includes an inclined surface connecting a first axial leg and a radial leg, and the annular sealing member contacts the inclined surface.