Miniature bearings are used widely in OA equipment, such as in facsimile machine drums and personal computer disc drives, and small bearings with diameters of 8mm-9mm are commonly used on the rotating shafts of refrigerators, vacuum cleaners and washing machines as well as in the magnetic heads of videotape recorders, where high precision is required.
The following is normal bearing item's steel size and quantity:
Bearing Item steel ball size(mm) steel ball quantity for one bearing
| 6001ZZ |
4.763 |
8 |
| 6002ZZ |
4.763 |
9 |
| 6003ZZ |
4.763 |
10 |
| 6004ZZ |
6.35 |
9 |
| 6005ZZ |
6.35 |
10 |
| 6200ZZ |
4.763 |
8 |
| 6201ZZ |
5.953 |
7 |
| 6202ZZ |
5.953 |
8 |
Bearing Item steel ball size(mm) steel ball quantity for one bearing
| 688ZZ |
2.381 |
7 |
| 689ZZ |
2.381 |
8 |
| 6800Z |
2.381 |
9 |
| 6801Z |
2.381 |
12 |
| 6802Z |
2.381 |
14 |
| 6803Z |
2.381 |
15 |
| 6804Z |
3.175 |
14 |
| 6805Z |
3.175 |
16 |
| 6806Z |
3.175 |
19 |
| 6807Z |
3.175 |
22 |
| 6808Z |
3.175 |
24 |
| 6809Z |
3.175 |
27 |
| 6810Z |
3.969 |
24 |
| 698ZZ |
3.175 |
7 |
| 699ZZ |
3.175 |
8 |
| 6900ZZ |
3.175 |
9 |
| 6901ZZ |
3.175 |
10 |
| 6902ZZ |
3.969 |
10 |
| 6903ZZ |
3.969 |
11 |
| 6904ZZ |
4.763 |
11 |
| 6905ZZ |
4.763 |
12 |
| 6906ZZ |
4.763 |
14 |
| 6907ZZ |
5.953 |
14 |
| 6908ZZ |
6.747 |
13 |
| 6909ZZ |
6.747 |
14 |
| 6910ZZ |
6.747 |
15 |
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