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Permissible Speed of Rotation of UCF 209
The permissible speed of rotation of the cast iron pillow block ball bearings units is connected with the fit between shaft and bearing.
It is recommended that, under normal operating conditions,the fit between the bearing and the shaft be h7,the relevant values of permissible speed of rotation are shown.
Loose fit allowing lower speed is recommended when lighter load is applied,while tighter fit allowing higher speed is recommended when heavier load is applied.
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