| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NU 204 ECPHA | 20 | 47 | 14 |
| NU 205 ECJ | 25 | 52 | 15 |
| NU 205 ECML | 25 | 52 | 15 |
| NU 205 ECP | 25 | 52 | 15 |
| NU 205 ECPHA | 25 | 52 | 15 |
| NU 206 ECJ | 30 | 62 | 16 |
| NU 206 ECKP | 30 | 62 | 16 |
| NU 206 ECML | 30 | 62 | 16 |
| NU 206 ECP | 30 | 62 | 16 |
| NU 206 ECPH | 30 | 62 | 16 |
| NU 2060 ECMA | 300 | 460 | 95 |
| NU 2064 ECMA | 320 | 480 | 95 |
| NU 207 ECJ | 35 | 72 | 17 |
| NU 207 ECM | 35 | 72 | 17 |
| NU 207 ECML | 35 | 72 | 17 |
| NU 207 ECP | 35 | 72 | 17 |
| NU 207 ECPH | 35 | 72 | 17 |
| NU 2072 ECMA | 360 | 540 | 106 |
| NU 2076 ECMA | 380 | 560 | 106 |
| NU 208 ECJ | 40 | 80 | 18 |
| NU 208 ECKP | 40 | 80 | 18 |
| NU 208 ECM | 40 | 80 | 18 |
| NU 208 ECML | 40 | 80 | 18 |
| NU 208 ECP | 40 | 80 | 18 |
| NU 208 ECPH | 40 | 80 | 18 |
| NU 2080 ECMA | 400 | 600 | 118 |
| NU 2084 ECMA | 420 | 620 | 118 |
| NU 2088 ECMA | 440 | 650 | 122 |
| NU 209 ECJ | 45 | 85 | 19 |
| NU 209 ECM | 45 | 85 | 19 |
