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.
A Spun Engine Bearing. A spun care engine bearing happens when these bearings are damaged by friction, debris, overheating and lack of lubrication. When this happens, the bearing slides out of position causing a loud knocking or it can weld itself to the crankshaft causing the engine to seize.Popular Spun Bearing Pages.his web site will tell you everything you need to know about main engine bearings, piston rod bearings, bearing maintanance, bearing repair and spun bearing prevention! Just click on a page below to find out what you want to know most: