| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 53218 | 90 | 135 | 38.5 |
| NU 2315 ECJ | 75 | 160 | 55 |
| 53418 M | 90 | 190 | 81.2 |
| NUP 2215 ECML | 75 | 130 | 31 |
| NJ 415 | 75 | 190 | 45 |
| NU 2315 ECP | 75 | 160 | 55 |
| 53317 | 85 | 150 | 53.1 |
| NUP 215 ECP | 75 | 130 | 25 |
| 51317 | 85 | 150 | 49 |
| NUP 215 ECJ | 75 | 130 | 25 |
| NUP 215 ECM | 75 | 130 | 25 |
| 51117 | 85 | 110 | 19 |
| 51417 M | 85 | 180 | 72 |
| N 315 ECP | 75 | 160 | 37 |
| 51217 | 85 | 125 | 31 |
| N 315 ECM | 75 | 160 | 37 |
| NU 2315 ECML | 75 | 160 | 55 |
| NUP 2315 ECML | 75 | 160 | 55 |
| 53217 | 85 | 125 | 33.1 |
| 53316 | 80 | 140 | 47.6 |
| NU 1014 ML | 70 | 110 | 20 |
| NJ 314 ECP | 70 | 150 | 35 |
| 51316 | 80 | 140 | 44 |
| 51116 | 80 | 105 | 19 |
| NJ 314 ECM | 70 | 150 | 35 |
| NU 2314 ECP | 70 | 150 | 51 |
| NU 1014 ECP | 70 | 110 | 20 |
| 51216 | 80 | 115 | 28 |
| NJ 314 ECJ | 70 | 150 | 35 |
| 53216 | 80 | 115 | 29.5 |
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