| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 618/950 MA | 950 | 1150 | 90 |
| 61800-2RS1 | 10 | 19 | 5 |
| 61800-2Z | 10 | 19 | 5 |
| 61801-2RS1 | 12 | 21 | 5 |
| 61801-2Z | 12 | 21 | 5 |
| 61802-2RS1 | 15 | 24 | 5 |
| 61802-2Z | 15 | 24 | 5 |
| 61803-2RS1 | 17 | 26 | 5 |
| 61803-2RZ | 17 | 26 | 5 |
| 61803-2Z | 17 | 26 | 5 |
| 61804-2RS1 | 20 | 32 | 7 |
| 61804-2RZ | 20 | 32 | 7 |
| 61805-2RS1 | 25 | 37 | 7 |
| 61805-2RZ | 25 | 37 | 7 |
| 61806-2RS1 | 30 | 42 | 7 |
| 61806-2RZ | 30 | 42 | 7 |
| 61807-2RS1 | 35 | 47 | 7 |
| 61807-2RZ | 35 | 47 | 7 |
| 61808-2RS1 | 40 | 52 | 7 |
| 61808-2RZ | 40 | 52 | 7 |
| 61809-2RS1 | 45 | 58 | 7 |
| 61809-2RZ | 45 | 58 | 7 |
| 61810-2RS1 | 50 | 65 | 7 |
| 61810-2RZ | 50 | 65 | 7 |
| 61811-2RS1 | 55 | 72 | 9 |
| 61811-2RZ | 55 | 72 | 9 |
| 61812-2RS1 | 60 | 78 | 10 |
| 61812-2RZ | 60 | 78 | 10 |
| 61813-2RS1 | 65 | 85 | 10 |
| 61813-2RZ | 65 | 85 | 10 |
