|
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 |
|
|
