Symbols & Definitions |
| The symbols used in this section are in accordance with ISO recommendations and they are defined as Inner rings |
d |
the nominal bore diameter |
dmp |
the arithmetical mean of the largest and smallest actual single diameters of a bore in a single radial plane |
ds |
a single diameter of a bore |
∆dmp |
the deviation of the mean bore diameter in a single plane = Dmp-D |
∆ds |
the deviation of a single bore diameter = ds-d |
Kia |
the radial runout of an assembled bearing inner ring relative to a fixed point on the bearing outer ring, both inner and outer"raceways being in contact with the rolling elements at the relevant angular position of measurement |
Outer rings |
D |
the nominal outside diameter |
Dmp |
the arithmetical mean of the largest and smallest actual single outside diameters in a single radial plane |
Ds |
a single outside diameter |
∆Dmp |
the deviation of the mean outside diameter in a single plane = Dmp-D |
∆Ds |
the deviation of a single outside diameter = Ds-D |
Kea |
the radial run out of an assembled bearing outer ring relative to a fixed point on the bearing inner ring, both inner and outer raceways being in contact with the rolling elements at the relevant angular position of measurement |
Ring widths |
radial and angular contact bearings |
B |
the nominal inner ring width |
C |
the nominal outer ring width |
Bs |
a single inner ring width |
Cs |
a single outer ring width |
∆Bs |
the deviation of a single inner ring width Bs-B |
∆Cs |
the deviation of a single outer ring width = Cs-C |
VBs |
the inner ring width variation = the difference between the largest and smallest actual single widths of an inner ring |
Vcs |
the outer ring width variation |
Thrust ball bearings |
T |
the nominal height of an. assembled bearing |
Tm |
the "bearing height deviation = Tm-T |
∆Tm |
the actual height of an assembled bearing |
Si |
the shaft washer raceway runout relative to the flat seat face |
Se |
the housing washer raceway runout relative to the flat seat face |