certific at e - NOC international

Tolerances of cylindrical roller bearings in imperial dimensions - outer ring
Dimensions in inch
Nominal over 1 2 3 5 8 12 15
outside diameter up to 1 2 3 5 8 12 15 16
Dimensions in mm
over 19 25 50 76 127 203 304 381
up to 25 50 76 127 203 304 381 406
Tolerances in microns
Deviation ∆ Dmp -8 -8 -13 -20 -33 -33 -33 -33
-18 -21 -26 -33 -46 -46 -58 -58
Variation V Dp 10 10 13 18 33 33 51 51
Radial runout K ea 10 13 15 18 20 25 30 38
Width variation V Bs 13 13 13 15 15 20 25 30
Tolerances of tapered roller bearings in metric dimensions
Tolerance class P6X - inner ring
Dimensions in mm
Nominal over 18 30 50 80 120 180 250 315
bore diameter up to 30 50 80 120 180 250 315 400
Tolerances in microns
Deviation ∆ dmp 0 0 0 0 0 0 0 0
-12 12 -15 -20 -25 -30 -35 -40
Variation V dp 12 12 15 20 25 30 35 40
Variation V dmp 9 9 11 15 19 23 26 30
Width deviation ∆ Bs 0 0 0 0 0 0 0 0
-120 -120 -150 -200 -250 -300 -350 -400
Radial runout K ia 18 20 25 30 35 50 60 70
Width deviation +200 +200 +200 +200 +350 +350 +350 +400
∆ Ts 0 0 0 -200 -250 -250 -250 -400
+100 +100 +100 +100 +150 +150 +150 +200
∆ T1s 0 0 0 -100 -150 -150 -150 -200
+100 +100 +100 +100 +200 +200 +200 +200
∆ T2s 0 0 0 -100 -100 -100 -100 -200
Tolerances of tapered roller bearings in metric dimensions
Tolerance class P6X - outer ring
Dimensions in mm
Nominal over 18 30 50 80 120 150 180 250 315 400 500
outside diameter up to 30 50 80 120 150 180 250 315 400 500 630
Tolerances in microns
Deviation ∆ Dmp 0 0 0 0 0 0 0 0 0 0 0
-12 -14 -16 -18 -20 -25 -30 -35 -40 -45 -50
Variation V Dp 12 14 16 18 20 25 30 35 40 45 50
V Dmp 9 11 12 14 15 19 23 26 30 34 38
Width deviation ∆ Cs 0 0 0 0 0 0 0 0 0 0 0
-100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100
Radial runout K ea 18 20 25 35 40 45 50 60 70 80 100
KRW 93