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		Tolerances for Tapered Roller Bearings | Metric Series & J Series     Tolerances values in microns   Inner Ring Tolerances for inner ring width (DBs) & outer ring width  (Cs) Assembled bearings Outer Ring Tolerances for bore dia. and running accuracy Tolerances for actual bearing width (Ts) Tolerances for O.D. and running accuracy Nominal bore diameter d (mm) Normal class dmp Radial runout (Kia) Nominal outside diameter D (mm) Normal class (Dmp) Radial runout (Kea) over incl. high low Max high low high low over incl high low Max. - 18 0 -12 15 0 -120 +200 0 18 30 0 -12 18 18 30 0 -12 18 0 -120 +200 0 30 50 0 -14 20 30 50 0 -12 20 0 -120 +200 0 50 80 0 -16 25 50 80 0 -15 25 0 -150 +200 0 80 120 0 -18 35 80 120 0 -20 30 0 -200 +200 -200 120 150 0 -20 40 120 180 0 -25 35 0 -250 +350 -250 150 180 0 -25 45 - - - - - - - - - 180 250 0 -30 50   Back
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