Not all damaged bearings can be repaired, but for each damaged bearing, the cause and extent of damage must be evaluated to avoid or reduce re-damage before considering repairing or replacing a new INA bearing. There are many causes of bearing damage, such as improper installation, dirt intrusion or moisture intrusion, which are common causes of early damage in many bearings. Analysis of common causes of damage to INA bearings and corresponding precautions that extend the life of INA bearings.
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 scratches or severe INA bearing deformation
Precautions: Improve the lubrication system and properly replenish or replace the lubricant at regular intervals
C. Rusty and corrosion:
Contact with water may cause INA bearing components to erode and rust. INA bearings after rust damage may cause spalling during work
Precautionary measures: Regularly check the seal to ensure a good sealing effect and properly store the INA bearing
D. Current:
Powering up the INA bearing as it rotates may result in grooves or nicks. Improper grounding of electrical operations when the INA bearing is stationary can cause minor burns
Precautions: Reduce or avoid current flow through the INA bearing by properly grounding the connections before parts other than the INA bearing.
E. External materials:
Abrasion particles contamination and debris intrusion may cause wear, abrasion and dents on the INA bearing face
Precautions: Remove invading particles and debris, replace lubricant, check sealing system
F. eccentric:
Eccentricity, tilting, or excessive loading can cause geometric stress concentrations or surface spalling
Precautions: Precision machining of INA housings and shoulders
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