refer to Main Reduction Gear, NAVSEA
local and remote indication of the temperature of
0910-LP-045-9500.
the oil leaving the bearings.
All of the journal bearings are pressure
lubricated from the MRG lube oil system. Lube
Main Thrust Bearings
oil is piped from the oil distribution header to each
bearing. It then flows through a passage machined
Propeller thrust is transferred from each
in the outside diameter of the bearing shells, into
propulsion shaft to the hull through a Kingsbury
the drilled passage in the shell and lining, and to
main thrust bearing (fig. 8-5). This bearing uses
the bearing journal. A sight flow indicator is
the lubrication principle of the wedge-shaped oil
provided in the oil drain passage of each bearing
film; that is, an oil film between two sliding
to permit visual observation of oil flow. A dial-
surfaces assumes a tapered depth with the thicker
type, bimetallic thermometer and an RTE are
film at the entering side. In this assembly, eight
installed in the sight flow indicator to provide
bearing shoes are formed on each side of the
Figure 8-5.--Kingsbury main thrust bearing and housing.
8-7
