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Accuracy
The tolerance for the boundary dimension and running accuracy
of deep groove ball bearing is divided into five grades
according GB/T307.1-94.
The Contrast of Bearing Accuracy is shown in Table 3
TABLE 3
| Country |
Standard No. |
Accuracy Garde |
| China |
GB/T307.1-94 |
0 |
6 |
5 |
4 |
2 |
| International Standard Organization |
ISO 492 |
Normal class |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| Sweden |
SKF |
P0 |
P6 |
P5 |
P4 |
P2 |
| Germany |
DIN 620 |
P0 |
P6 |
P5 |
P4 |
P2 |
| Japan |
JIS B1514 |
Class 0 |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| American |
ANSI/AFBMA STD 20 |
ABEC1 |
ABEC3 |
ABEC5 |
ABEC7 |
ABEC9 |
|
