This Standard specifies methods of calculating the basic static
load rating and the static equivalent load for rolling
— This Standard is designed by the relevant standards specified
in JIS B 1511 and applied to bearings manufactured
from high quality hardened bearing steel specified in JIS G
4805 or ISO 683-17 or alloy steel with
— This Standard is not applicable in the case where there is a
considerable truncation of the area of contact between the rolling
elements and the ring raceways and where special surface treatment
or coatings are used.
— Double-row radial bearings and double-direction thrust
bearings are, when referred to in this Standard, presumed to be
— This Standard is not applicable in the case where application
conditions cause deviations from a normal load distribution in the
bearing, for example misalignment.
— This Standard is not applicable to designs where the rolling
elements operate directly on the outer surface of the shaft or the
inner surface of the housing, unless that surface in equivalent in
all respects to the bearing surface it replaces.
NOTE: The International Standard corresponding to this Standard
is as follows.
ISO 76: 2006 Rolling bearings—Static load ratings
The symbols which denote the degree of correspondence in the
contents between the relevant International Standard and
JIS are IDT (identical), MOD (modified) and NEQ
(not equivalent) according to ISO/IEC Guide
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