One object of the present invention is to provide a wheel bearing apparatus of which sealability in the seal and the fitting portion is also improved. According to the present invention there is provided a wheel bearing apparatus for a vehicle comprising an outer member; an inner member including a hub wheel and an inner ring; double row rolling elements; and seals characterized in that the outer-side seal of the seals comprises a core metal and a sealing member; the core metal including a cylindrical portion press-fitted into the outer-side end inner circumference of the outer member a radially inner portion bent and extending radially inward from the cylindrical portion, and a disc portion extending radially outward from the cylindrical portion and adapted to be closely contacted to the outer-side end face of the outer member; and the sealing member being integrally adhered via vulcanized adhesion to the radially inner portion of the core metal; and that the sealing member comprises a side lip having a side lip inclined radially outward and adapted to be slidably contacted to the inner-side base portion of the wheel mounting flange via an axial interference, and a weir portion formed around the outer circumference of the disc portion of the core metal so as to cover the disc portion and be adhered thereto, the weir portion being formed so that it is projected radially outward from the outer circumference of the outer-side end of the outer member and elastically contacted thereto.
VEHICLE WHEEL BEARING DEVICE
LAGERVORRICHTUNG FÜR FAHRZEUGRÄDER
DISPOSITIF DE ROULEMENT DE ROUE DE VÉHICULE
2020-10-14
Patent
Electronic Resource
English