| Bearing Number | Boundary dimensions mm | |||
| d | D | B | rs min | |
| 691-ZZ | 1 | 4 | 2.3 | 0.1 | 691-ZZC3 | 1 | 4 | 2.3 | 0.1 |
| 691-ZZC3P6QE6 | 1 | 4 | 2.3 | 0.1 | 692-Z | 2 | 6 | 3 | 0.15 |
| 692-ZC3 | 2 | 6 | 3 | 0.15 | 692-ZZ | 2 | 6 | 3 | 0.15 |
| 692-ZZC3 | 2 | 6 | 3 | 0.15 | 692-ZZC3P6QE6 | 2 | 6 | 3 | 0.15 |
| 693-Z | 3 | 8 | 4 | 0.15 | 693-ZC3 | 3 | 8 | 4 | 0.15 |
| 693-ZZ | 3 | 8 | 4 | 0.15 | 693-ZZC3 | 3 | 8 | 4 | 0.15 |
