Check the lubricant and rub it with a little lubricant to rub it between the two fingers. If there is any contaminant, feel it, or apply a thin layer of lubricant on the back of the hand, then seal it.
Replace the lubricant, the oil-lubricated KOYO bearing, after draining the old oil, then pour in fresh oil and let the machine rotate at low speed for a few minutes. As far as possible, the oil collects residual contaminants and then vents the oil. The oil is preferably filtered before use.
First, improper installation (about 16%)
1. Use brute force during installation. Directly tapping the bearing with a hammer will cause the greatest damage to KOYO bearings; it is the main cause of deformation.
2, the installation is not in place, the installation is biased or not loaded to the thrust ball bearing position, resulting in too small bearing clearance. The inner and outer rings are not at the same center of rotation, causing disagreement.
Recommendation: Select an appropriate or professional bearing installation tool, and use a special instrument to detect it after installation.
Second, poor lubrication (about 50%)
According to the survey, poor lubrication is one of the main causes of premature damage to KOYO bearings. The main reasons include: not adding lubricant or lubricating oil in time; lubricant or lubricating oil is not filled in place; improper selection of lubricant or lubricating oil; incorrect lubrication method, etc.
Recommendation: Choose the right lubricant or lubricant and use the correct lubrication method.
Third, pollution (about 14%)
Contamination can also lead to premature failure of thrust ball bearings. Contamination means that dust, metal chips, etc. enter the KOYO bearing. The main reasons include: opening the bearing packaging too early before use, causing pollution; the working environment is not clean during installation, causing pollution; the working environment of the bearing is not clean, and the working medium is polluted.
Recommendation: It is best not to disassemble the packaging of KOYO bearings before use; keep the installation environment clean during installation, clean the bearings to be used; and strengthen the sealing device of thrust ball bearings.
Fourth, fatigue (about 34%)
Fatigue damage is a common way of damage to bearings. Common causes of fatigue damage may be: KOYO bearings for long-term overload operation; not timely repair; improper maintenance; equipment bearings exposed to contaminants or moisture. If the work is interrupted, the machine should be covered with a piece of oil-paper plastic or similar material. If the unshielded bearing is cleaned without performing disassembly and may be inspected, use a brush for application to clean with a petroleum solvent, then dry it with a lint-free cloth or blow it with compressed air (be careful not to let The thrust ball bearing assembly starts to rotate).
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