| Bearing Number | Boundary dimensions mm | |||
| d | D | B | rs min | |
| 681-ZZ | 1 | 3 | 1.5 | 0.05 | 681-ZZC3 | 1 | 3 | 1.5 | 0.05 |
| 681-ZZC3P6QE6 | 1 | 3 | 1.5 | 0.05 | 682-Z | 2 | 5 | 2.3 | 0.08 |
| 682-ZC3 | 2 | 5 | 2.3 | 0.08 | 682-ZZ | 2 | 5 | 2.3 | 0.08 |
| 682-ZZC3 | 2 | 5 | 2.3 | 0.08 | 682-ZZC3P6QE6 | 2 | 5 | 2.3 | 0.08 |
| 683-Z | 3 | 7 | 3 | 0.1 | 683-ZC3 | 3 | 7 | 3 | 0.1 |
| 683-ZZ | 3 | 7 | 3 | 0.1 | 683-ZZC3 | 3 | 7 | 3 | 0.1 |
