Purpose. Under certain operating conditions,
vibration in rotating rolling bearings can be of importance as an
operating characteristic of such bearings. For this reason, the
measurement of vibration emitted by a rolling bearing under
specified test conditions is utilized for study and qualification
as one facet of quality assurance.
This standard on rolling bearing noise and vibration serves to
define and specify, for purposes of bearing quality assurance, the
physical quantities measured and the test conditions utilized in
measurement of vibration and noise generated by rolling bearings.
Based on the standard, parties to the acceptance inspection of
rolling bearings may, by agreement, establish acceptance
specifications and grades of rolling bearings with which to control
bearing vibration and noise.
Limitations of Standard. Rolling bearing
vibration and noise are complex physical phenomena. The knowledge
of vibration and noise of bearings under a given set of test
conditions does not necessarily afford a means of judging the
vibratory behavior of the bearing to be expected under different
conditions, nor does it suffice for a prediction of the vibration
of assemblies of which the bearing forms a part. No simple set of
values characterizing vibration and noise of a bearing is adequate
for the evaluation of the vibratory performance in all possible
The field of application for standards on bearing vibration and
noise is, therefore, not universal. It encompasses the applications
where usefulness of these standards as a basis for bearing
selection and specification has been proven by sufficient
experimental evidence. In the current edition of this standard,
only selected methods for the measurement of the (structure-borne)
vibration of certain types of ball bearings have been specified.
Other vibration measurement methods, as well as methods for the
measurement of rolling bearing (air-borne) noise, may be specified
in later editions.
Coverage. The standard covers two product
(a) Non-instrument ball bearings (Section 2)
(b) Instrument ball bearings (Section 3).
Section 2 provides, in Subsection 2.1, a general description of
the principles used for the selection of test methods for
non-instrument ball bearings. Subsection 2.2 describes one selected
test method, in sufficient detail to permit correlation of test
results obtained with different instruments meeting Subsection 2.2
Section 3 provides concepts of the method for vibration testing
instrument ball bearings. The current edition of this standard does
not include detailed methods sufficient to permit correlation of
test results obtained with different instruments adhering to
Section 3 concepts.
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