Athenian cultural dominance continued throughout the Roman period, and the buildings added to the Agora reflect the educational role of the city, a role that ended only with the closing of the pagan philosophical schools by the Christian emperor Justinian in A.D. 529.
Bearing, in machine construction, a connector (usually a support) that permits the connected members to rotate or to move in a straight line relative to one another. Often one of the members is fixed, and the bearing acts as a support for the moving member. Most bearings support rotating shafts against either transverse (radial) or thrust (axial) loads.
Definition of bearing. 1  1 : the manner in which one behaves or comports oneself : the manner in which one bears (see 2bear 1c) oneself a man of dignified bearing â¦ a confident and cheerful bearing. 2  2a : the act, power, or time of bringing forth offspring or fruit a woman past bearingb : a product of bearing : crop three bearings in a year.