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TM 9-2320-364-34-4
20-211
(13)
Inspect backs of bearings (7) for shiny
spots, gouges, cracks, pitting or chipping.
Replace any damaged bearings (7).
NOTE
Bearing thickness equals
total thickness of bearing
and ball attachment, minus
diameter of ball.
If bearings are not within
specifications, replace
bearings.
(14)
Measure thickness of both halves of
bearing (7) at outer edge using micrometer
and ball attachment. Compare
measurements with table of limits
(Table 20-1).
Table 20-1. Table of Limits
Bearing Thickness
Bearing Size
Minimum/Maximum
Limit
Standard
0.1545 in. / 0.1552 in.
3.9243 mm / 3.9421 mm
0.154 in.
3.911 mm
0.002 in. Undersize
0.1555 in. / 0.1562 in.
3.9497 mm / 3.9675 mm
0.155 in.
3.937 mm
0.010 in. Undersize
0.1595 in. / 0.1602 in.
4.0513 mm / 4.0691 mm
0.159 in.
4.039 mm
0.020 in. Undersize
0.1645 in. / 0.1652 in.
4.1783 mm / 4.1961 mm
0.164 in.
4.166 mm
0.030 in. Undersize
0.1695 in. / 0.1702 in.
4.3053 mm / 4.3231 mm
0.169 in.
4.293 mm
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