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CAUTION
If there is too much distance between the knuckle eye and the shaft bearing, this generates
bending moments in the shaft, causing it to deform.
This deformation puts strain on points of the edges of the inner bearing shell, which can
cause the knuckle eye or shaft to suffer damage or break.
Select the play as recommended in the mounting instructions.
To determine the play between the knuckle eye and the shaft bearing, you can apply the
following rule of thumb:
Shaft diameter
≤30 mm
>30 mm
Tab. 7.6
Rule of thumb for determining play between knuckle eye and shaft bearing
Based on this, recommendations for the play between the knuckle eye and shaft bearing
are as follows:
Knuckle eye
1-Z4/20kN/ZGOW
1-Z4/20kN/ZGUW
1-ZGIM33F
1-ZGAM33F
1-ZGIM42F
1-ZGAM42F
1-ZGIM72F
1-ZGAM72F
Tab. 7.7
Recommendations for play between knuckle eye and shaft bearing
24
Play between knuckle eye and bearing
1/10 of the nominal diameter
1/20 of the nominal diameter
Play between knuckle eye and shaft bearing
1.6 mm
2.5 mm
3 mm
4.5 mm
MECHANICAL INSTALLATION
U10M
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