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Tips For Better Bearing Maintenance

Tips For Better Bearing Maintenance


1. Know Why Bearings Fail

An important part of understanding how to avoid problems is to know what problems to look for. Bearings can fail for many reasons, including:

An incorrect installation, which can result from improper seating of the bearing relative to the shaft or housing, or not following mounting guidelines.

Misalignment of the bearing or shaft, which can cause damaging vibrations and friction.

Inadequate or damaged seals.

Dirty, improper, or insufficient lubricants.

Vibration passes from other parts of the equipment to the bearing.

Stray electric currents run through the bearing.

Grease lubricants provide bearings with a seal against contamination, while oil lubricants control a bearing’s thermal characteristics. The correct lubricant is determined by your bearing selection and its application.

3. Check for Misalignment

Every bearing has a certain alignment tolerance past which it will suffer damage. Misalignment problems in a bearing can be an indication of problems elsewhere in a machine. Verifying alignment should be a core part of any bearing maintenance routine. Rotating equipment vibration analysis can typically identify symptoms of misalignment before they cause major issues.

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