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    Tolerances for Radial Bearings | Except Tapered Roller Bearings  
 
Tolerances values in microns  
Inner Ring Tolerances
for inner ring width (Bs) 		Outer Ring
Tolerances for bore dia.
and running accuracy 		Tolerances for O.D.
and running accuracy
Nominal bore
diameter d (mm) 		Normal Class
(dmp) 		Width
runout		 Radial ronout (Kia) Nominal outside
diameter D (mm) 		Normal class
(Dmp) 		Radial
runout (Kea)
over incl. high low Max Max high low over incl high low Max.
2.5 10 0 -8 15 10 0 -120 18 30 0 -9 15
10 18 0 -8 20 10 0 -120 30 50 0 -11 20
18 30 0 -10 20 13 0 -120 50 80 0 -13 25
30 50 0 -12 20 15 0 -120 80 120 0 -15 35
50 80 0 -15 25 20 0 -150 120 150 0 -18 40
80 120 0 -20 25 25 0 -200 150 180 0 -25 45
                180 250 0 -30 50
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