An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.
fixed block type, rigid alignment type, 1.0000 inches nominal bore diameter, carrier,cgo trk 7t ammo,model no.xm992,nsn 2350-01-110-4660: carrier ammunition,nsn 2350-01-163-1437 end item identification, 3.890 inches nominal bolt circle diameter