ntn bearing the international standards and inspection of key

1: ntn bearing the international standards:
China Bearing Industrial Association (CBIA)
American Bearing Manufacturers Association (ABMA)
American National Standards Institute (ANSI)
Japanese Industrial Standards Committee (JISC)
Standards Engineering Society
International Organization for Standardization (ISO)
Scandinavian Bearing Association (SBA)
German National Standards Organization (DIN)
Japanese Standards Association (JSA)
Typically, ntn bearing the criteria used are ISO standards.

2: ntn bearing checking the key:
1. Inspection is required prior to clean the machine surface, and then demolished ntn bearing peripheral parts. Seal is very fragile parts, so be careful disassembly, do not over-exertion, and then carefully check the seal and the surrounding parts, if shown a negative symptoms, be sure to change out, bad seals will ntn bearing damage and cause serious downtime of equipment obtained.
2. Check lubricant
Stained little lubricant in the friction between two fingers, if pollutants, may feel out of, or coated with a thin layer in the back of the hand lubricant, and then seal-rays.
3. Replacement lubricant
Oil lubricated bearings in addition to the old oil spilled after, if possible, and then poured into the fresh oil and let it spin a few minutes at low speed. Residual oil to collect as much as possible contaminants, and then spilled addition to these oil, oil in the first filtered before use.
Grease lubrication of the bearing grease when replacing Joe used devices should be avoided except cotton material connected with any angle to the bearing part, because these residual fibers may wedge in between rolling parts and damage, in particular, Application of small bearings should pay more attention to this issue.
4. Can not wash or dust cover encryption ntn bearings; just wipe the external surface can. If ntn bearing was damaged when the case is dropped to be replaced. In the regular maintenance shutdown period replacement array than the bearing damage due to sudden shutdown selected as the loss of much more economic.

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