Choose to use SKF bearings, must pay attention to the scope of the error. Do not, do not understand the SKF bearing error specification can not properly use the selected bearing. Here I will briefly explain.
    SKF bearing measurement error should be less than 10% of the tolerance. Usually the measurement error exploits a difference in the 10% to 33% With the increased levels of tolerance, the greater the proportion error, i.e., the smaller the tolerance, the higher the proportion error tolerance of bearing IT5 to reach 10% or more difficult. Measurement error does not mean that the test tolerances can be relaxed to 10%, but to give a margin of safety to ensure user acceptance in accordance with the standard.


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