 |
Tolerance in .0001"
|
|
ABEC 1 |
INNER RING
| BORE
DIAMETER |
Tol. for
Bore |
Radial
Runout |
| MM |
INCH |
dm |
| Over |
Incl. |
Over |
Incl. |
Low |
High |
| 0 |
10 |
0 |
.3937 |
-3 |
+0 |
4 |
| 10 |
18 |
.3937 |
.7087 |
-3 |
+0 |
4 |
| 18 |
30 |
.7087 |
1.1811 |
-4 |
+0 |
5 |
| 30 |
50 |
1.1811 |
1.9685 |
-4.5 |
+0 |
6 |
| 50 |
80 |
1.9685 |
3.1496 |
-6 |
+0 |
8 |
|
|
OUTER RING
| OUTSIDE
DIAMETER |
Tol. for
outer
diameter |
Radial
Runout |
| MM |
INCH |
dm |
| Over |
Incl. |
Over |
Incl. |
Low |
High |
| 0 |
18 |
0 |
.7087 |
+0 |
-3 |
6 |
| 18 |
30 |
.7087 |
1.1811 |
+0 |
-3.5 |
6 |
| 30 |
50 |
1.1811 |
1.9685 |
+0 |
-4.5 |
8 |
| 50 |
80 |
1.9685 |
3.1496 |
+0 |
-5 |
10 |
| 80 |
120 |
3.1496 |
4.7244 |
+0 |
-6 |
14 |
|
|
ABEC 3 |
INNER RING
| BORE
DIAMETER |
Tol. for
Bore |
Radial
Runout |
| MM |
INCH |
dm |
| Over |
Incl. |
Over |
Incl. |
Low |
High |
| 0 |
10 |
0 |
.3937 |
-3 |
+0 |
2.5 |
| 10 |
18 |
.3937 |
.7087 |
-3 |
+0 |
3 |
| 18 |
30 |
.7087 |
1.1811 |
-3 |
+0 |
3 |
| 30 |
50 |
1.1811 |
1.9685 |
-4 |
+0 |
4 |
| 50 |
80 |
1.9685 |
3.1496 |
-4.5 |
+0 |
4 |
|
|
OUTER RING
| OUTSIDE
DIAMETER |
Tol. for
outer
diameter |
Radial
Runout |
| MM |
INCH |
dm |
| Over |
Incl. |
Over |
Incl. |
Low |
High |
| 0 |
18 |
0 |
.7087 |
+0 |
-3 |
3 |
| 18 |
30 |
.7087 |
1.1811 |
+0 |
-3 |
3.5 |
| 30 |
50 |
1.1811 |
1.9685 |
+0 |
-3.5 |
4 |
| 50 |
80 |
1.9685 |
3.1496 |
+0 |
-4.5 |
5 |
| 80 |
120 |
3.1496 |
4.7244 |
+0 |
-5 |
7 |
|
|
WIDTH TOLERANCES
ABEC 1, ABEC 3 |
|
BEARINGS
OTHER THAN DUPLEX, WIDTH OF INDIVIDUAL INNER OR OUTER
RING
| Nominal Bore in MM. |
Width Tolerance |
| Over |
Incl. |
+ |
- |
| 0 |
50 |
0 |
47 |
|
|
DUPLEX
BEARINGS *
TOTAL WIDTH OF INNER OR OUTER RINGS
| Nominal Bore in MM. Width Tolerance |
| Over |
Incl. |
+ |
- |
| 0 |
50 |
0 |
98 |
* If other than a pair of
bearings is involved, the tolerance is in proportion to
the number of bearings.
|
|
RADIAL
INTERNAL CLEARANCE, SINGLE ROW, RADIAL CONTACT,
BALL BEARINGS
Tolerance
Limits for Radial Internal Clearance of Single
Row, Radial Contact Ball Bearings under no load (Applicable
to Bearings of ABEC 1, ABEC 3, ABEC 5 and ABEC 7
Tolerance Classes) |
Basic
Bore
Diameter
d |
SYMBOL 2 |
SYMBOL 0 |
SYMBOL 3 |
SYMBOL 4 |
| mm |
| Over |
Incl. |
Low |
High |
Low |
High |
Low |
High |
Low |
High |
| 6 |
10 |
0 |
3 |
1 |
5 |
3 |
9 |
6 |
11 |
| 10 |
18 |
0 |
3.5 |
1 |
7 |
4 |
10 |
7 |
13 |
| 18 |
24 |
0 |
4 |
2 |
8 |
5 |
11 |
8 |
14 |
| 24 |
30 |
0.5 |
4.5 |
2 |
8 |
5 |
11 |
9 |
16 |
| 30 |
40 |
0.5 |
4.5 |
2 |
8 |
6 |
13 |
11 |
18 |
| 40 |
50 |
0.5 |
4.5 |
2.5 |
9 |
7 |
14 |
12 |
20 |
| 50 |
65 |
0.5 |
6 |
3.5 |
11 |
9 |
17 |
15 |
24 |
| 65 |
80 |
0.5 |
6 |
4 |
12 |
10 |
20 |
18 |
28 |
|
|
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