Deep groove ball bearings
| Basic size | Bearing Model | ||
|---|---|---|---|
| Size | Model | ||
| 8 | 16 | 5 | 688ZZ |
| 8 | 16 | 4 | 688 |
| 7 | 14 | 5 | 687ZZ |
| 7 | 14 | 3.5 | 687 |
| 6 | 13 | 5 | 686ZZ |
| 6 | 13 | 3.5 | 686 |
| 5 | 11 | 5 | 685ZZ |
| 5 | 11 | 3 | 685 |
| 4 | 9 | 4 | 684ZZ |
| 4 | 9 | 2.5 | 684 |
| 3 | 7 | 3 | 683ZZ |
| 3 | 7 | 2 | 683 |
| 2 | 5 | 2.3 | 682ZZ |
| 2.5 | 6 | 2.6 | 682XZZ |
| 2.5 | 6 | 1.8 | 682X |
| 2 | 5 | 1.5 | 682 |
| 12 | 21 | 5 | 6801ZZ |
| 10 | 19 | 5 | 6800ZZ |
| 12 | 18 | 4 | 6701ZZ |
| 10 | 15 | 3 | 6700 |
| 130 | 340 | 78 | 6426 |
| 95 | 240 | 55 | 6419 |
| 9 | 30 | 10 | 639ZZ |
| 8 | 28 | 9 | 638ZZ |
| 7 | 26 | 9 | 637ZZ |
| 6 | 22 | 7 | 636ZZ |
| 5 | 19 | 6 | 635ZZ |
| 5 | 19 | 6 | 635-RZ |
| 5 | 19 | 6 | 635-2RZ |
| 4 | 16 | 5 | 634ZZ |