TOLERANCE CLASS ABEC-5
INNER RING Tolerance in um
INNER RING | Tolerance in um | |||||||||||
d | ^dmp | Vdp2) | Vdmp | Kia | Sd | Sia3) | ^Bs | VBs | ||||
Diameter Series | ||||||||||||
mm | ||||||||||||
9 | 0,1,2,3,4 | |||||||||||
over | incl. | high | low | max. | 3 | max. | max. | max. | high | low | max. | |
1)0.6 | 2.5 | 0 | -5 | 5 | 4 | 3 | 4 | 7 | 7 | 0 | -40 | 5 |
2.5 | 10 | 0 | -5 | 5 | 4 | 3 | 4 | 7 | 7 | 0 | -40 | 5 |
10 | 18 | 0 | -5 | 5 | 4 | 3 | 4 | 7 | 7 | 0 | -80 | 5 |
18 | 30 | 0 | -6 | 6 | 5 | 3 | 4 | 8 | 8 | 0 | -120 | 5 |
30 | 50 | 0 | -8 | 8 | 6 | 4 | 5 | 8 | 8 | 0 | -120 | 5 |
50 | 80 | 0 | -9 | 9 | 7 | 5 | 5 | 8 | 8 | 0 | -150 | 6 |
1)0.6 is included.
2)No values for diameter series 7,8.
3)Fit for groove ball bearing only.
OUTER RING Tolerance in um
D | ^Dmp | VDp2)3) | VDmp | Kea | SD4) | Sea4)5) | ^Cs | VCs | ||||
Diameter Series | SD15) | |||||||||||
mm | 9 | 0,1,2,3,4 | ||||||||||
over | incl. | high | low | max. | max. | max. | max. | max. | high | low | max. | |
1)2.5 | 6 | 0 | -5 | 5 | 4 | 3 | 5 | 8 | 8 | Identical to | 5 | |
6 | 18 | 0 | -5 | 5 | 4 | 3 | 5 | 8 | 8 | ^Bs | 5 | |
18 | 30 | 0 | -6 | 6 | 5 | 3 | 6 | 8 | 8 | of innerring | 5 | |
of same bearing | ||||||||||||
30 | 50 | 0 | -7 | 7 | 5 | 4 | 7 | 8 | 8 | 5 | ||
50 | 80 | 0 | -9 | 9 | 7 | 5 | 8 | 8 | 10 | 6 | ||
80 | 120 | 0 | -10 | 10 | 8 | 5 | 10 | 9 | 11 | 8 | ||
120 | 150 | 0 | -11 | 11 | 8 | 6 | 11 | 10 | 13 | 8 |
1)2.5 is included.
2)No values for diameter series 7,8
3)No values for shielded and sealed bearings
4)No for flanged bearings
5)Fit for groove ball bearings
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-5 |
(0 - 1.1811 in.) |
0.00015 |
0.0002 |
–.0002 |
–.0002 |
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-5 |
ABEC-5 |
|
|
ABEC-5 |
ABEC-5 | ||||
(mm) |
ΔC1s |
VC1s |
D |
SD1 |
Sea1 | |||||
Over |
Incl. |
Upper |
Bottom |
MAX |
(mm) |
MAX | ||||
2.5*1 |
30 |
0 |
-120 |
5 |
Over |
Incl. |
|
| ||
-80 |
2.5*1 |
18 |
8 |
11 | ||||||
|
18 |
30 |
8 |
11 | ||||||
Tolerances of flange width and tolerance of rotation precision related to flange |
*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.