TOLERANCE CLASS ABEC-3
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 | -7 | 9 | 7 | 5 | 5 | 5 | 0 | -40 | 12 |
2.5 | 10 | 0 | -7 | 9 | 7 | 5 | 5 | 6 | 0 | -120 | 15 |
10 | 18 | 0 | -7 | 9 | 7 | 5 | 5 | 7 | 0 | -120 | 20 |
18 | 30 | 0 | -8 | 10 | 8 | 6 | 6 | 8 | 0 | -120 | 20 |
30 | 50 | 0 | -10 | 13 | 10 | 8 | 8 | 10 | 0 | -120 | 20 |
50 | 80 | 0 | -12 | 15 | 15 | 9 | 9 | 10 | 0 | -150 | 25 |
1)0.6 is included.
2)No values for diameter series 7,8
OUTER RING Tolerance in um
D | ^Dmp | VDp2)4) | VDmp4) | Kea | ^Cs | VCs | ||||||
Open | Capped Bearings3) | |||||||||||
mm | Bearings | |||||||||||
Diameter Series | ||||||||||||
9 | 0,1 | 2,3,4 | 0,1,2,3,4 | |||||||||
over | incl. | high | low | max | max. | max. | high | low | max. | |||
1)2.5 | 6 | 0 | -7 | 9 | 7 | 5 | 9 | 5 | 8 | Identical to^Bs and VBsof inner ring ofsame bearing | ||
6 | 18 | 0 | -7 | 9 | 7 | 5 | 9 | 5 | 8 | |||
18 | 30 | 0 | -8 | 10 | 8 | 6 | 10 | 6 | 9 | |||
30 | 50 | 0 | -9 | 11 | 9 | 7 | 13 | 7 | 10 | |||
50 | 80 | 0 | -11 | 14 | 11 | 8 | 16 | 8 | 13 | |||
80 | 120 | 0 | -13 | 16 | 16 | 10 | 20 | 10 | 18 | |||
120 | 150 | 0 | -15 | 19 | 19 | 11 | 25 | 11 | 20 |
2) No values for diameter series 7,8
3) No values for diameter series 9.
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-3 |
(0 - 1.1811 in.) |
0.002 |
0.004 |
0/–.0002 |
0/–.0003 |
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-3 |
ABEC-3 | ||
(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.