Chart1

TOLERANCES OF TAPERED ROLLER BEARINGS
CONE:
DIMENSIONS IN mm
NORMAL BORE DIAMETER	OVER TO	10 18	18 30	30 50	50 80	80 120
STANDARD TOLERANCE IN MICRONS
BORE	dm	-8 0	-10 0	-12 0	-15 0	-20 0
WIDTH	B	0 -120	0 -120	0 -120	0 -150	0 -200
RADIAL RUNOUT OF ASSEMBLED BEARING	Ri	15	18	20	25	30
TOTAL WIDTH	T	+200 0	+200 0	+200 0	+200 0	+200 -200
CUP:
DIMENSIONS IN mm
NORMAL OUTSIDE DIAMETER	OVER TO	18 30	30 50	50 80	80 120	120 150	150 180
STANDARD TOLERANCE IN MICRONS
OUTSIDE DIAMETER	dm	0 -9	0 -11	0 -13	0 -15	0 -18	0 -25
RADIAL RUNOUT OF ASSEMBLED BEARINGS	Ra	18	20	25	35	40	45
WIDTH TOLERANCE IS SAME FOR CONE & CUP