Wheel bearing arrangement having a coating
AssigneeSchaeffler Technologies AG & Co. KG
InventorsMilan Madron, Yashar Musayev, Jürgen Hessler
Life of this patent
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Abstract
A wheel bearing arrangement for a motor vehicle includes a wheel hub. The wheel hub is connected to a wheel flange. A multi-row rolling element bearing is mounted on the wheel hub. The bearing has an outer ring and at least one inner ring which is axially prestressed by a collar of the wheel hub. A zinc flake coating is formed on at least part of the wheel bearing arrangement to improve corrosion protection.
Claims7
A wheel bearing arrangement for a motor vehicle, comprising a wheel hub, wherein the wheel hub is connected to a wheel flange, wherein a multi-row anti-friction bearing having an outer ring and an inner ring is arranged on the wheel hub, wherein the inner ring comprises two bearing inner rings, wherein an axially outer bearing inner ring is formed in one piece on the wheel hub and wherein an axially inner bearing inner ring is a separate component which is mounted on the wheel hub and is axially pretensioned by a collar, that acts on an end surface of the inner bearing inner ring, of the wheel hub, wherein at least partially a surface coating for improving corrosion protection is formed on the wheel bearing arrangement, wherein the surface coating is formed as a zinc flake coating, wherein a coating medium used to form the surface coating comprises zinc powder, aluminum powder, titanium tetrabutanolate and further constituents, wherein the surface coating has a layer thickness of at least 10 μm.
Dependencies are inferred from the claim text.