d/ds 
Nominal
bore diameter/Single bore diameter 
dmp 
Mean bore
diameter; arithmetical mean of the largest &
smallest single bore diameters measured in one
radial plane 
¡÷dmp 
dmpd; Deviation
of mean bore diameter from the nominal dimension 
¡÷ds 
dsd; deviation
of single bore diameter from the nominal dimension 
Vdp 
Bore diameter
variation; difference between the largest &
smallest single bore diameters in one radial plane 
Vdmp 
dmp maxdmp
min; Mean bore diameter variation; difference
between the largest & smallest mean bore diameters 
D/DS 
Nominal
outside diameter/Single outside diameter 
Dmp 
Mean outside
diameter; arithmetical mean of the largest &
smallest single outside diameters in one radial
plane 
¡÷dmp 
DmpD; Deviation
of mean outside diameter from nominal dimension 
¡÷Ds 
DsD; Deviation
of mean outside diameter from nominal dimension 
Vdp 
Outside
diameter variation; difference between the largest
& smallest single outside diameter in one
radial plane 
VDmp 
Dmp maxDmp
min; Mean outside diameter variation; difference
between the largest & smallest mean outside
diameters 
Bs/Cs 
Single inner
ring/outer ring width 
¡÷Bs 
BsB; Deviation
of a single inner ring width from nominal dimension 
¡÷Cs 
CsC; Deviation
of a single outer ring width from nominal dimension 
VBs 
Bs maxBsmin;
Variation of inner ring widths; difference between
the largest & smallest single inner ring width 
VCs 
Cs maxCs
min; Variation of outer ring widths; difference
between the largest & smallest single outer
ring width 
B,C,T 
Nominal
bearing width/height 
Ts 
Actual bearing
width/height 
¡÷Ts 
Deviation
of the actual bearing width/height 
Kia 
Radial runout
of assembled bearing inner ring 
Kea 
Radial runout
of assembled bearing outer ring 
Sd 
Side face
runout of inner ring with reference to bore 
SD 
Variation
in inclination of outside cylindrical surface
to outer ring side face 
Sia 
Axial runout;
assembled bearing inner ring face runout with
raceway 
r 
Norminal
chamfer dimension 
rs 
Radial/axial
single chamfer dimension 
rs min 
Smallest
radial/axial single chamfer dimension 
rs max 
Largest
radial/axial single chamfer dimension 
