Technical Info | Tolerances

Tolerances (continued) ______________________________________________________________________________

FACE RUNOUT WITH BORE
The total indicator reading during one complete revolution of the inner ring.

O.D. RUNOUT WITH FACE
The total indicator reading during one complete revolution of the outer ring. The outer ring is positioned against 2 stops oriented at 90° to each other.

ABEC/ISO TOLERANCE CHART

Dimensions in Inches (mm)

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

Main Ball Bearing-SWC Navigation
About SWC || Corporate Email || Request Catalog || Testing Services ||
Technical Info || Sales Office || Available Bearings ||

Secondary Ball Bearing Navigation

Technical Contents || Bearings Overview || Material || Cages || Shields and Seals || Bearing Geometry ||
Tolerances || Lubrication || Load Rating and Bearing Life || Torque || Noise || Mounting and Fitting || Preload ||
Bearing Handing || Adhesive Practices || Assembly Characteristics || Bearing Subassemblies ||
Design Services || Mechanical Testing Laboratory || Useful Conversions ||