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

TECHNICAL INFORMATION

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