On the NSK import bearing outside wrapping paper carton or the wooden crate and the label all have NSK import bearing model marking.The NSK bearing model has provided the NSK bearing structure, the external dimensions and the stress way and so on the related information.
 
The bearing can withstand the high temperature and the rotational speed in the use is may, in particular behind bearing basic code number suffix letter ,which distinguishes through the bearing model.Inquires this company's sample through the bearing model to be able to determine basically the bearing time the use temperature limit and the bearing limit rotational speed and so on, like the NSK Corporation bearing product application temperature limits the suffix letter is:

X26: Application temperature 150℃ below .

X28: Application temperature 200℃ below .

X29: Application temperature 250℃ below .

S11: Below the application temperature 200 degrees Celsius (adjusts heart roller bearings).




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