| Bearing Number | Boundary dimensions(mm) | |||
| d | D | B | C | |
| GEBK5S | 5 | 16 | 8 | 6 | GEBK6S | 6 | 18 | 9 | 6.75 |
| GEBK8S | 8 | 22 | 12 | 9 | GEBK10S | 10 | 26 | 14 | 10.5 |
| GEBK12S | 12 | 30 | 16 | 12 | GEBK14S | 14 | 34 | 19 | 13.5 |
| GEBK16S | 16 | 38 | 21 | 15 | GEBK18S | 18 | 42 | 23 | 16.5 |
| GEBK20S | 20 | 46 | 25 | 18 | GEBK22S | 22 | 50 | 28 | 20 |
| GEBK25S | 25 | 56 | 31 | 22 | GEBK28S | 28 | 62 | 35 | 25 |
