NOISE
Bearing
acoustical noise is a function of both the bearing itself and the
way in which it is used. Bearings can be specified as 100%
noise-tested during manufacture. Bearing noise is not generally
influenced by ABEC precision, but rather by manufacturers’ internal
quality standards, particularly raceway finish. There are no fixed
reference standards among manufacturers for noise
testing.
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External factors
affecting bearing noise include lubricant type, excessive load,
improper fitting, preload method, and other factors. In particular,
it is recommended that the stationary ring always be securely
immobilized during high speed rotation.
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