| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NJ 2313 ECP | 65 | 140 | 48 |
| 51103 | 17 | 30 | 9 |
| 51203 | 17 | 35 | 12 |
| NU 413 | 65 | 160 | 37 |
| 53203 | 17 | 35 | 13.2 |
| 51202 | 15 | 32 | 12 |
| NJ 313 ECP | 65 | 140 | 33 |
| 51102 | 15 | 28 | 9 |
| NU 313 ECPH | 65 | 140 | 33 |
| 53202 | 15 | 32 | 13.3 |
| NJ 313 ECM | 65 | 140 | 33 |
| NUP 2313 ECP | 65 | 140 | 48 |
| 51201 | 12 | 28 | 11 |
| 51101 | 12 | 26 | 9 |
| NU 313 ECML | 65 | 140 | 33 |
| 53201 | 12 | 28 | 11.4 |
| NUP 2313 ECML | 65 | 140 | 48 |
| NU 313 ECP | 65 | 140 | 33 |
| 51200 | 10 | 26 | 11 |
| NU 313 ECJ | 65 | 140 | 33 |
| 51100 | 10 | 24 | 9 |
| NU 313 ECM | 65 | 140 | 33 |
| BA 9 | 9 | 20 | 7 |
| NJ 213 ECML | 65 | 120 | 23 |
| BA 8 | 8 | 19 | 7 |
| BA 7 | 7 | 17 | 6 |
| NJ 213 ECJ | 65 | 120 | 23 |
| BA 6 | 6 | 14 | 5 |
| NJ 213 ECM | 65 | 120 | 23 |
| NJ 213 ECP | 65 | 120 | 23 |
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