DIESEL ENGINE
05
SERIES
WSM,
01640
(4)
Bearing
L-J
(b
01
640F10230
The shaft rotates at a very high speed-tens of
thousands of revolutions per minute.
To
withstand high
speeds, the bearings
(5)
use floating metals. These
bearings float on a film oil between the shaft and bearing
housing
(4) and rotate to reduce the sliding velocity.
The shaft also receives thrust (in the axial direction)
on the compressor side from both the turbine and
compressor wheels, This load is borne by the thrust
bearing
(3)
fitted between the thrust sleeve
(1)
and thrust
ring
(2)
which is secured to the shaft and turns together
with the shaft.
Lubricating oil fed from the engine’s oil pump enters
the bearing section through the top of the bearing
housing and passes through the internal passages,
lubricating the bearings. After that,
it
returns to the
engine
from
the bottom of the bearing housing.
(1)
Thrust Sleeve
(2)
Thrust Ring
(3)
Thrust Bearing
(4)
Bearing Housing
(5)
Bearing
(a)
From
Engine
011
Pump
(b)
To
the
Engine
01640M10110
M-49
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