
Technology information >> Accuracy >>ABEC-7
| TOLERANCE CLASS ABEC-7 | |
| INNER RING | Tolerance in um |
d |
^dmp |
^ds |
Vdp2) |
Vdmp |
Kia |
Sd |
Sia |
^Bs |
VBs |
|||||
Diameter Series |
||||||||||||||
mm |
7,8,9 |
1,7,2,3,4 |
||||||||||||
over |
incl. |
high |
low |
high |
low |
max. |
max. |
max. |
max. |
max. |
high |
low |
max. |
|
1)0.6 |
2.5 |
0 |
-4 |
0 |
-4 |
4 |
3 |
2 |
2.5 |
3 |
3 |
0 |
-40 |
2.5 |
2.5 |
10 |
0 |
-4 |
0 |
-4 |
4 |
3 |
2 |
2.5 |
3 |
3 |
0 |
-40 |
2.5 |
10 |
18 |
0 |
-4 |
0 |
-4 |
4 |
3 |
2 |
2.5 |
3 |
3 |
0 |
-80 |
2.5 |
18 |
30 |
0 |
-5 |
0 |
-5 |
5 |
4 |
2.5 |
3 |
4 |
4 |
0 |
-120 |
2.5 |
30 |
50 |
0 |
-6 |
0 |
-6 |
6 |
4 |
3 |
4 |
4 |
4 |
0 |
-120 |
3 |
50 |
80 |
0 |
-7 |
0 |
-7 |
7 |
5 |
3.5 |
4 |
5 |
5 |
0 |
-150 |
4 |
| 1)0.6 is included. | |
| 2)Diameter Series 7 refers to those defined by GB273.3 as the miniature bearing series 7. | |
| OUTER RING | Tolerance in um |
d |
^Dmp |
^Ds |
Vdp2) |
VDmp |
Kia |
SD |
Sea |
^Cs |
VCs |
|||||
mm |
Diameter Series |
|||||||||||||
7,8,9 |
1,7,2,3,4 |
|||||||||||||
over |
incl. |
high |
low |
high |
low |
max. |
max. |
max. |
max. |
max. |
high |
low |
max. |
|
1)2.5 |
6 |
0 |
-4 |
0 |
-4 |
4 |
3 |
2 |
3 |
4 |
5 |
Identical to ^Bs of inner ring of same bearing |
2.5 |
|
6 |
18 |
0 |
-4 |
0 |
-4 |
4 |
3 |
2 |
3 |
4 |
5 |
2.5 |
||
18 |
30 |
0 |
-5 |
0 |
-5 |
5 |
4 |
2.5 |
4 |
4 |
5 |
2.5 |
||
| ? | ? | |||||||||||||
30 |
50 |
0 |
-6 |
0 |
-6 |
6 |
5 |
3 |
5 |
4 |
5 |
2.5 |
||
50 |
80 |
0 |
-7 |
0 |
-7 |
7 |
5 |
3.5 |
5 |
4 |
5 |
3 |
||
80 |
120 |
0 |
-8 |
0 |
-8 |
8 |
6 |
4 |
6 |
5 |
6 |
4 |
||
120 |
150 |
0 |
-9 |
0 |
-9 |
9 |
7 |
5 |
7 |
5 |
7 |
5 |
||
| 1)2.5 is included. | |
| 2)These windage is applicable for diameter series 1.7.2.3.and 4. | |
| 3)Not applicable for closed type bearings | |
| 4)Diameter Series 7 refers to those defined by GB273.3 as the miniature bearing series 7. | |
Miniature Ball Bearing:
BORE: .0400" to .3125" (Shielded)
Flanged Ball Bearing:
Miniature Thrust Ball Bearing:
Contact Us:
Shanghai Lily Bearing Manufacturing Co., Ltd
Address: 30 Lane 1588 South Hong Mei Rd.Shanghai,China
Phone: 86-21-51028316
Fax: 86-21-51010235
Email:sales@lb-bearings.com