TOLERANCE CLASS ABEC-1
INNER RING Tolerance in um
d |
^dmp |
Vdp2) |
Vdmp |
Kia |
^Bs |
VBs | |||||
Diameter Series | |||||||||||
mm |
9 |
0,1 |
2,3,4 | ||||||||
over |
incl. |
high |
low |
max. |
max. |
max. |
high |
low |
max. | ||
1)0.6 |
2.5 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-40 |
12 |
2.5 |
10 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-120 |
15 |
10 |
18 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-120 |
20 |
| |||||||||||
18 |
30 |
0 |
-10 |
13 |
10 |
8 |
8 |
13 |
0 |
-120 |
20 |
30 |
50 |
0 |
-12 |
15 |
12 |
9 |
9 |
15 |
0 |
-120 |
20 |
50 |
80 |
0 |
-15 |
19 |
19 |
11 |
11 |
20 |
0 |
-150 |
25 |
1)0.6 is included.
2)No value for diameter series 7,8.
OUTER RING Tolerance in um
D |
^Dmp |
VDp2)4) |
VDmp4) |
Kea |
^Cs |
VCs | ||||||
Open Bearings |
Capped Bearings2)3) | |||||||||||
mm | ||||||||||||
Diameter Series | ||||||||||||
9 |
0,1 |
2,3,4 |
2,3,4 | |||||||||
over |
incl. |
high |
low |
max. |
max. |
max. |
high |
low |
max. | |||
1)2.5 |
6 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
Identical to | ||
6 |
18 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
^Bs and VBs | ||
18 |
30 |
0 |
-9 |
12 |
9 |
7 |
12 |
7 |
15 |
of inner ring of | ||
|
same bearing | |||||||||||
30 |
50 |
0 |
-11 |
14 |
11 |
8 |
16 |
8 |
20 |
| ||
50 |
80 |
0 |
-13 |
16 |
13 |
10 |
20 |
10 |
25 |
| ||
80 |
120 |
0 |
-15 |
19 |
19 |
11 |
26 |
11 |
35 |
| ||
120 |
150 |
0 |
-18 |
23 |
23 |
14 |
30 |
14 |
40 |
|
1)2.5 is included.
3)No values for diameter seriers9,0,1.
2)No values for diameter series 7,8.
4)Fit for before assembling and after disestablish of snap rings.
ABEC STANDARD BEARING TOLERANCES FOR INCH-DIMENSION BALL BEARINGS
Unit: (Inch) 1"=25.4mm | |||||
ABEC |
O.D. SIZE |
Radial |
Mean Diam. | ||
Runout |
Tolerance | ||||
Inner |
Outer |
Bore |
O.D. | ||
Ring |
Ring | ||||
ABEC+1 |
(0 - .7086 in.) |
0.004 |
0.006 |
0/–.0003 |
0/–.0003 |
(over .7086 - 1.1811 in.) |
0.004 |
0.006 |
0/–.0004 |
0/–.0004 |
Flange outside diameter tolerance | |||||
|
|
|
|
|
|
(Unit : μm) | |||||
D1 |
Column 1 |
Column 2 | |||
(mm) |
ΔD1s | ||||
Over |
Incl. |
Upper |
Bottom |
Upper |
Bottom |
|
10 |
220 |
-36 |
0 |
-36 |
10 |
18 |
270 |
-43 |
0 |
-43 |
18 |
30 |
330 |
-52 |
0 |
-52 |
Remarks : When the flange outside diameter is used for location, column 2 shall apply.
Tolerances of flange width and tolerance of rotation precision related to flange | |||||
|
|
|
|
| |
(Unit : μm) | |||||
D |
ABEC-1 |
ABEC-1 | |||
(mm) |
ΔC1s |
VC1s | |||
Over |
Incl. |
Upper |
Bottom |
MAX | |
2.5*1 |
30 |
0 |
-80 |
12*2 | |
-120 |
15*3 | ||||
|
20 |
*1 D = 2.5mm is included in this dimension division.
*2 the values apply only up to and including d = 2.5mm.
*3 the values apply only up to and including d = 10mm.
Thrust Bearing Tolerances (l) All Sizes (Tolerances in (Unit : μm)) | |||||
Grade |
BORE Tolerance |
BORE 2 |
Mean O.D. |
Mean OD 2 |
Mean Height |
|
Tolerance |
Tolerance |
Tolerance |
tolerance | |
|
|
|
|
| |
ABEC-1 |
0/-8 |
0/-50 |
0/-11 |
_5/-20 |
0/-75 |