Reason 1: abnormal load responses: correction with research bearing clearance, adjust and load
 
correction housing block shoulder position.
Reason 2: poor installation Countermeasure: the machining accuracy of the shaft, the housing, to improve
 
the mounting accuracy, the installation method.
Reason 3: lack of lubricant or not suitable Countermeasures: supplement lubricants, select the
appropriate lubricant.

Reason 4: rotating parts in contact Countermeasures: modify part of the contact labyrinth seal.




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