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.
Free Shipping! (on orders over $50). The Differential Spindle is a component of your automobile's suspension system. It allows the axle to rotate while keeping the wheels attached to the vehicle. The spindle acts as a surface for the wheel bearings to roll on. It is usually made of steel to withstand the heavy-weight of the vehicle. The spindle is found in automobiles with full-float axles. In some suspension systems, the spindle allows the housing of the shock absorber to turn the car's wheels.