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(rpm) | Mass(Kg) | Bearing Number | |||||||
| d | D | B | D1 | C1 | rs min | Cr | Cor | Grease | Oil | (Approx.) | |
| 6 | 19 | 6 | 22 | 1.5 | 0.3 | 2 340 |
885 | 34 000 |
40 000 |
9.2 | SF626-ZZ | 5 | 16 | 5 | 18 | 1 | 0.3 | 1 760 |
680 | 37 000 |
44 000 |
5.2 | SF625-ZZ |
| 4 | 13 | 5 | 15 | 1 | 0.2 | 1 310 |
490 | 42 000 |
49 000 |
3.5 | SF624-ZZ | 3 | 10 | 4 | 11.5 | 1 | 0.15 | 640 | 224 | 50 000 |
58 000 |
1.8 | SF623-ZZ |
