There are many causes of bearing damage, such as improper installation, dirt intrusion or moisture intrusion, which are common causes of early damage to many bearings. The following are some common causes of damage to large-size bearings and the corresponding precautions to extend bearing life.
A. Improper operation: Improper installation, operation or disassembly may cause deformation or defect of the cage. Precautions: Use appropriate handling, installation and removal tools.
B. Insufficient lubrication: Insufficient or improper lubrication may result in component scratching or severe bearing deformation. Precautions: Improve the lubrication system and properly replenish or replace the lubricant at regular intervals.
C. Rusting and Corrosion: Contact with water may cause the bearing components to erode and rust. Bearings after corrosion damage may cause spalling precautions during work: Regular inspection of seals to ensure good sealing and proper bearing storage.
D. Current: Energization when the bearing rotates may result in grooves or nicks. Improper grounding of electrical equipment can result in light when the bearing is stationary
Micro-burn precautions: Reduce or prevent current flow through the bearings by soldering the connections before soldering the components outside the bearing.
E. External materials: Abrasion particles and debris intrusion may cause wear, abrasion and dents on the bearing face. Precautions: Remove invading particles and debris, replace lubricants, and inspect the sealing system. F. Eccentricity: Eccentricity, tilting, or excessive loading may result in geometric stress concentrations or surface spalling. Precautions: Precision machining of the housing and shoulder.