Thrust ball bearing consists of shaft washer, housing washer, steel balls and a cage. The ring matched with shaft is called shaft washer, matched with housing called housing washer. If ther installation surface profile of housing washer is spherical, ther bearing can be self-aligned, which can reduce deviation of installation. These bearings mainly bear axial loads and can transfer big axial loads. It can not bear radial loads. They can be applied to steering system of automobile and main shaft of machinery.
