super precision bearings

TOLERANCES FOR SUPER PRECISION BEARINGSTolerances for Double Row Cylindrical Roller BearingsInner RingDimensions in mmNominal bore over 18 30 50 80 120 180 250 315 400 500diameter including 30 50 80 120 180 250 315 400 500 630Tolerance Class UP Tolerances in µmBore, cylindrical 0 0 0 0 0 0 0 0 0 0Deviation ∆ ds , ∆ dmp -5 -6 -7 -8 -10 -12 -15 -19 -23 -26Variation V dp 2.5 3 3.5 4 5 6 8 10 12 14Bore, tapered 6 7 8 10 12 14 15 17 19 20Deviation ∆ dmp 0 0 0 0 0 0 0 0 0 0Variation V dp 2.5 3 3.5 4 5 6 8 10 12 14Deviation ∆ d1mp -∆ dmp 2 3 3 4 4 5 6 6 7 80 0 0 0 0 0 0 0 0 0Width deviation ∆ Bs 0 0 0 0 0 0 0 0 0 0-25 -30 -40 -50 -60 -75 -100 -100 -100 -125Width variation V Bs 1.5 2 3 3 4 5 5 6 7 8Radial runout K ia 1.5 2 2 3 3 4 4 5 5 6Axial runout S d 3 3 4 4 5 6 6 7 8 9Axial runout S ia 3 3 3 4 6 7 8 9 10 12Outer RingDimensions in mmNominal outside over 30 50 80 120 150 180 250 315 400 500 630diameter including 50 80 120 150 180 250 315 400 500 630 800Tolerance Class UP Tolerances in µmOutside diameter 0 0 0 0 0 0 0 0 0 0 0Deviation ∆ Ds , ∆ Dmp -5 -6 -7 -8 -9 -10 -12 -14 -17 -20 -25Variation V Dp 3 3 4 4 5 5 6 7 9 10 13Width variation V Cs 1 1.5 2 3 3 3.5 3.5 4 5 5.5 7.5Radial runout K ea 3 3 3 4 4 5 6 7 8 9 11Variation of inclination S D 2 2 3 3 3 4 4 5 5 6 7Axial runout S ea 4 4 5 6 7 9 9 12 12 14 17Width deviation ∆ Cs is identical with ∆ Bs of the corresponding inner ring.FAG · 156