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Ball Bearings ABEC Standard Tolerances Data

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The following are Annular Bearing Engineers Committee (ABEC) for ball bearings quality classes. Applications should only require ABEC 1 or ABEC 3 ball bearings. When highly precise position is required, ABEC 5 or ABEC 7 ball bearings should be specified.


Ball Bearing Cross Section

Outer Ring Size Tolerances
Outside Diameter
(OD)
OD Tolerance
W (Outter Ring)
A
E
From
To
ABEC
1
ABEC
3
ABEC
5
ABEC
7
ABEC
1
ABEC
3
ABEC
5
ABEC
7
ABEC
1
ABEC
3
ABEC
5
ABEC
7
ABEC
1
ABEC
3
ABEC
5
ABEC
7
0
.7087
+.0000
-.0003
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0050
+.0000
-.0050
+.0000
-.0010
+.0000
-.0010
-
+.0050
-.0020
+.0000
-.0010
+.0000
-.0010
-
+.0000
-.0020
+.0000
-.0020
+.0000
-.0020
.7088
1.1811
+.0000
-.0004
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0050
+.0000
-.0050
+.0000
-.0010
+.0000
-.0010
-
+.0050
-.0020
+.0000
-.0010
+.0000
-.0010
-
+.0000
-.0020
+.0000
-.0020
+.0000
-.0020
1.1812
1.9685
+.0000
-.0005
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0050
+.0000
-.0050
+.0000
-.0010
+.0000
-.0010
-
+.0050
-.0020
+.0000
-.0010
+.0000
-.0010
-
+.0000
-.0020
+.0000
-.0020
+.0000
-.0020
1.9686
3.1496
+.0000
-.0005
+.0000
-.0004
+.0000
-.0003
+.0000
-.0002
+.0000
-.0050
+.0000
-.0050
+.0000
-.0015
+.0000
-.0010
-
-
-
-
-
-
-
-

Inner Ring Size Tolerances
Bore Diameter ID
d
W ( Inner Ring)
From
To
ABEC
1
ABEC
3
ABEC
5
ABEC
7
ABEC
1
ABEC
3
ABEC
5
ABEC
7
0
.3937
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0002
+.0000
-.0005
+.0000
-.0005
+.0000
-.0010
+.0000
-.0010
.3938
.7087
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0002
+.0000
-.0005
+.0000
-.0005
+.0000
-.0010
+.0000
-.0010
.7088
1.1811
+.0000
-.0004
+.0000
-.0002
+.0000
-.0002
+.0000
-.0002
+.0000
-.0005
+.0000
-.0005
+.0000
-.0010
+.0000
-.0010
1.1812
1.9586
+.0000
-.0005
+.0000
-.0003
+.0000
-.0002
+.0000
-.0002
+.0000
-.0005
+.0000
-.0005
+.0000
-.0010
+.0000
-.0010

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