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ABEC Bearings Inner Ring ABEC/ISO Tolerances || Ball Bearings from Dynaroll

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ABEC/ISO INNER RING TOLERANCES

Dimensions in Inches
INNER RING TOLERANCES Inches (mm)
	TYPE	OD SIZE	ABEC 1 ISO Normal	ABEC 3 ISO P6	ABEC 5 ISO P5	ABEC 7 ISO P4
MEAN BORE TOLERANCE	ALL	0 to .709 0 to 18	0 to -.0003 0 to -.008	0 to -.0002 0 to -.005	0 to -.0002 0 to -.005	0 to -.0002 0 to -.005
2 PT OUT OF ROUNDNESS*	ALL	0 to .709 0 to 18	NS	NS	.0001 .003	.0001 .003
BORE TAPER*	ALL	0 to .709 0 to 18	NS	NS	.0001 .003	.0001 .003
RADIAL RUNOUT*	ALL	0 to .709 0 to 18	.0003 .008	.0002 .005	.00015 .004	.0001 .003
FACE RUNOUT WITH BORE*	ALL	0 to .709 0 to 18	NS	NS	.0003 .008	.0001 .003
FACE RUNOUT*	ALL	0 to .709 0 to 18	NS	NS	.0003 .008	.0001 .003
WIDTH VARIATION*	ALL	0 to .709 0 to 18	NS	NS	.0002 .005	.0001 .003
RING WIDTH TOLERANCE	ALL	0 to 1.1811 0 to 30	0 to -.005 0 to -.125	0 to -.005 0 to -.125	0 to -.001 0 to -.025	0 to -.001 0 to -.025

* Maximum allowed value

NS = Not Specified