Technical > Vibration and Noise

The vibration and noise of bearings are classified as four classed as Z1,Z2,Z3 and Z4.It is measured by the instrument of S0910-1,For special requirement,it is measured by BVT-1 and classified as V1, V2, V3 and V4.The data are shown as below. Customer need mark their requirement of vibration and noise class on the order.

Tolerance data for vibration of single bearing               Tolerance in um/s

Maximum vibration acceleration of single bearing        Tolerance in dB