9.2.4 Roller-contact bearings
9.2.4.1 Removing roller bearing
Preparation
● Remove any grease feeders, shock pulse measurement equipment and possibly mounted
instrumentation at the DE and NDE.
● Remove the coupling on the drive end or make the shaft extension freely accessible.
Note
For a schematic diagram of the respective component layout, see the chapter "Spare
parts (Page 113)".
Procedure
1. Remove the components of the bearing mounting.
– Dismount the outer bearing cover.
If present: Remove the V ring (Page 106).
Uninstall the labyrinth sealing ring (only for the option "Increased degree of
protection") (Page 106).
– Ensure that the inner bearing cover is no longer attached to the bearing housing or end
shield.
There may be springs in the inner bearing cover.
– Support the rotor for the uninstallation of bearing housing or end shield.
– If necessary, remove the bearing housing from the end shield.
– Remove the end shield. Dependent on shaft height, roller bearing type and design, it is
either a bearing head design or a bearing housing design.
– Remove the locking ring from the shaft or the set screw, depending on the version.
2. Pull off the roller bearing together with the grease slinger.
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1LH8
Operating Instructions 06/2017 105
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