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Under the general exploitation conditions,12 series and 22 series bearing permission angle of bank is 2.5 degrees,13 series and 23 series bearing permission angle of bank is 3 degrees,when the bearing is inclining completely,under this condition uses must guarantee the bearing and periphery the components has the enough gap,when the rotational speed elevates,the inclined bearing noise has the enlargement tendency,as a result of noise limit,bearing actual angle of bank more smaller than the biggest angle of bank,to circular cone in hole bearing,after the installment,is very difficult measurement bearing windage correctly,therefore in the circular cone in hole bearing installment needs certainly experience and technology ,polyamide retainer bearing work temperature to be lower than 120 degrees.
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