Service manual

CHASSIS
Visual
Serviceability
Standard
for
Wheel
Bearing
INNER RACE
SUR
FACE
COLLAR
SURFACE
OUTER
RACE FITTED
SURFACE
OUTER RACE
SURFACE
INNER
RACE FITTED
SURFACE
ROLLER ROLLING
SURFACE
SMALL COLLAR
INNER RACE
ROLLER
LARGE
COLLAR
SUPPORTER
OUTER RACE
x
Unserviceable
Judgement
May
be
used
when minor
Rust
should
be removed with
0
emery
paper
Race and roller
s
Cause
O t
l
l
O
l
atU
8
15o
ii
l
Flaking
x
Service
life
due to rolling fatigue
However
this
symptom
occurs
before
the service life
The
following
causes
are
considered
Abnormal
load overload
Improper
handling
or
improper
installation
Crack
x
x
x Excessive
tightening
Gap
is excessive
and a considerable
shock is received from the
outside
Rapid
heat
generation
on the
race
due
to
creep
Abnormal thrust
load
Tapped
with
a hammer while
removing
FA
4