small ball bearing miniature ball bearing miniature bearing bearing 688zz micro ball bearing tiny ball bearing mini ball bearing miniature ball
| Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds | Mass(kg) | Bearing Number | ||||
| d | D | B | rs min | Cr | Cor | rpm | (Approx.) | |
| 1 | 4 | 2.3 | 0.1 | 157 | 43 | 96 000 |
0.11 | s691-ZZ | 2 | 6 | 3 | 0.15 | 279 | 89 | 67 000 |
0.31 | s692-ZZ |
| 3 | 8 | 4 | 0.15 | 560 | 180 | 54 000 |
0.61 | s693-ZZ | 4 | 11 | 4 | 0.15 | 715 | 276 | 45 000 |
1.8 | s694-ZZ |
| 5 | 13 | 4 | 0.2 | 1 080 |
430 | 40 000 |
2.4 | s695-ZZ | 6 | 15 | 5 | 0.2 | 1 350 |
530 | 37 000 |
3.8 | s696-ZZ |
| 7 | 17 | 5 | 0.3 | 1 610 |
715 | 35 000 |
5.2 | s697-ZZ | 8 | 19 | 6 | 0.3 | 1 990 |
865 | 33 000 |
7.3 | s698-ZZ |
| 9 | 20 | 6 | 0.3 | 2 480 |
1 090 |
32 000 |
8.2 | s699-ZZ |
