Not all FAG bearing damage can be repaired, but before the bearing every injury in considering the repair or replacement of needle roller bearings, must be the cause of the damage and to assess the extent to avoid or reduce the injury again. The cause of bearing damage, such as improper installation, dirt or moisture intrusion, intrusion is a common cause of early damage of bearing. Analysis of common cause damage to the FAG bearings and corresponding prevention measures can prolong the service life.
Improper operation of A.:
Installation, operation or inappropriate dismounting may cause cage deformation or defect
Preventive measures: operation, installation and disassembly tools
B. insufficient lubrication:
Insufficient lubrication or improper element bruises or FAG bearing severe deformation
Preventive measures : to improve the lubrication system, timing appropriate supplementary or replacement of the lubricant
C. corrosion and rust:
Contact with water may lead to corrosion and rust needle roller bearing element. Corrosion damage after FAG bearing may lead to spalling at work
Preventive measures: regularly check the sealing, ensure good sealing effect, proper storage of bearing
D. current:
FAG bearing rotation when the electricity may lead to groove or the notch. Needle roller bearing static, electrical grounding incorrectly can cause minor burns
Preventive measures: in the FAG outside bearing parts before welding by proper grounding to reduce or avoid the current through the bearing
E. external materials:
Wear particles pollution and debris invasion may cause the needle roller bearing wear, abrasion and sunken face
Preventive measures: the removal of invasive particles and debris, the replacement of lubricants, check the sealing system
F. eccentric:
Eccentricity, inclination or excessive load may lead to geometrical stress concentration or surface spalling
Preventive measures: accurately machined bearing seat and a shoulder