| Bearing Number | Boundary dimensions mm | |||
| d | D | B | rs min | |
| 68/1.5 | 1.5 | 4 | 1.2 | 0.15 | 68/1.5C3 | 1.5 | 4 | 1.2 | 0.15 |
| 68/2.5 | 2.5 | 6 | 1.8 | 0.08 | 68/2.5C3 | 2.5 | 6 | 1.8 | 0.08 |
| 681 | 1 | 3 | 1 | 0.05 | 681C3 | 1 | 3 | 1 | 0.05 |
| 682 | 2 | 5 | 1.5 | 0.08 | 682C3 | 2 | 5 | 1.5 | 0.08 |
| 683 | 3 | 7 | 2 | 0.1 | 683C3 | 3 | 7 | 2 | 0.1 |
| 684 | 4 | 9 | 2.5 | 0.15 | 684C3 | 4 | 9 | 2.5 | 0.15 |
