a slat support assembly is disclosed . it comprises a slat support arm having a plurality of bearing surfaces extending along its length , the slat support arm being movable to deploy a slat attached to one end of said slat support arm from a leading edge of an aircraft wing , and a plurality of bearings mountable within the wing , each bearing being in rolling contact with an associated bearing surface to support the slat support arm and guide it during deployment and retraction of the slat . at least some of the bearing surfaces and associated bearings are configured so that each bearing counteracts load applied to the slat support arm in more than one direction .