NU300-series
Model list for the NU300-series cylindrical roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
17 models 20–100 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| NU304 | 20 | 52 | 15 | open | CN | 0 |
| NU305 | 25 | 62 | 17 | open | CN | 0 |
| NU306 | 30 | 72 | 19 | open | CN | 0 |
| NU307 | 35 | 80 | 21 | open | CN | 0 |
| NU308 | 40 | 90 | 23 | open | CN | 0 |
| NU309 | 45 | 100 | 25 | open | CN | 0 |
| NU310 | 50 | 110 | 27 | open | CN | 0 |
| NU311 | 55 | 120 | 29 | open | CN | 0 |
| NU312 | 60 | 130 | 31 | open | CN | 0 |
| NU313 | 65 | 140 | 33 | open | CN | 0 |
| NU314 | 70 | 150 | 35 | open | CN | 0 |
| NU315 | 75 | 160 | 37 | open | CN | 0 |
| NU316 | 80 | 170 | 39 | open | CN | 0 |
| NU317 | 85 | 180 | 41 | open | CN | 0 |
| NU318 | 90 | 190 | 43 | open | CN | 0 |
| NU319 | 95 | 200 | 45 | open | CN | 0 |
| NU320 | 100 | 215 | 47 | open | CN | 0 |