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.
84 models 17–300 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| NU304EA | 20 | 52 | 15 | open | CN | 1 |
| NU305EA | 25 | 62 | 17 | open | CN | 1 |
| NU306EA | 30 | 72 | 19 | open | CN | 1 |
| NU307EA | 35 | 80 | 21 | open | CN | 1 |
| NU308-NTN | 40 | 90 | 23 | open | CN | 1 |
| NU308EA | 40 | 90 | 23 | open | CN | 1 |
| NU309-NTN | 45 | 100 | 25 | open | CN | 1 |
| NU309EA | 45 | 100 | 25 | open | CN | 1 |
| NU310-NTN | 50 | 110 | 27 | open | CN | 1 |
| NU310EA | 50 | 110 | 27 | open | CN | 1 |
| NU311-NTN | 55 | 120 | 29 | open | CN | 1 |
| NU311EA | 55 | 120 | 29 | open | CN | 1 |
| NU312-NTN | 60 | 130 | 31 | open | CN | 1 |
| NU312EA | 60 | 130 | 31 | open | CN | 1 |
| NU313-NTN | 65 | 140 | 33 | open | CN | 1 |
| NU313EA | 65 | 140 | 33 | open | CN | 1 |
| NU314-NTN | 70 | 150 | 35 | open | CN | 1 |
| NU314EA | 70 | 150 | 35 | open | CN | 1 |
| NU315-NTN | 75 | 160 | 37 | open | CN | 1 |
| NU315EA | 75 | 160 | 37 | open | CN | 1 |
| NU316-NTN | 80 | 170 | 39 | open | CN | 1 |
| NU316E | 80 | 170 | 39 | open | CN | 1 |
| NU317-NTN | 85 | 180 | 41 | open | CN | 1 |
| NU317E | 85 | 180 | 41 | open | CN | 1 |
| NU318-NTN | 90 | 190 | 43 | open | CN | 1 |
| NU318E | 90 | 190 | 43 | open | CN | 1 |
| NU319-NTN | 95 | 200 | 45 | open | CN | 1 |
| NU319E | 95 | 200 | 45 | open | CN | 1 |
| NU320-NTN | 100 | 215 | 47 | open | CN | 1 |
| NU320E | 100 | 215 | 47 | open | CN | 1 |
| NU321 | 105 | 225 | 49 | open | CN | 1 |
| NU322 | 110 | 240 | 50 | open | CN | 1 |
| NU322E | 110 | 240 | 50 | open | CN | 1 |
| NU324 | 120 | 260 | 55 | open | CN | 1 |
| NU324E | 120 | 260 | 55 | open | CN | 1 |
| NU326 | 130 | 280 | 58 | open | CN | 1 |
| NU326E | 130 | 280 | 58 | open | CN | 1 |
| NU328 | 140 | 300 | 62 | open | CN | 1 |
| NU328E | 140 | 300 | 62 | open | CN | 1 |
| NU330 | 150 | 320 | 65 | open | CN | 1 |
| NU330E | 150 | 320 | 65 | open | CN | 1 |
| NU332 | 160 | 340 | 68 | open | CN | 1 |
| NU332E | 160 | 340 | 68 | open | CN | 1 |
| NU334 | 170 | 360 | 72 | open | CN | 1 |
| NU336 | 180 | 380 | 75 | open | CN | 1 |
| NU338 | 190 | 400 | 78 | open | CN | 1 |
| NU340 | 200 | 420 | 80 | open | CN | 1 |
| NU344 | 220 | 460 | 88 | open | CN | 1 |
| NU348 | 240 | 500 | 95 | open | CN | 1 |
| NU352 | 260 | 540 | 102 | open | CN | 1 |
| NU356 | 280 | 580 | 108 | open | CN | 1 |
| NU304 | 20 | 52 | 15 | open | CN | 7 |
| NU305 | 25 | 62 | 17 | open | CN | 7 |
| NU306 | 30 | 72 | 19 | open | CN | 7 |
| NU307 | 35 | 80 | 21 | open | CN | 6 |
| NU308 | 40 | 90 | 23 | open | CN | 8 |
| NU309 | 45 | 100 | 25 | open | CN | 7 |
| NU310 | 50 | 110 | 27 | open | CN | 7 |
| NU311 | 55 | 120 | 29 | open | CN | 7 |
| NU312 | 60 | 130 | 31 | open | CN | 7 |
| NU313 | 65 | 140 | 33 | open | CN | 7 |
| NU314 | 70 | 150 | 35 | open | CN | 7 |
| NU315 | 75 | 160 | 37 | open | CN | 7 |
| NU316 | 80 | 170 | 39 | open | CN | 7 |
| NU317 | 85 | 180 | 41 | open | CN | 7 |
| NU318 | 90 | 190 | 43 | open | CN | 7 |
| NU319 | 95 | 200 | 45 | open | CN | 7 |
| NU320 | 100 | 215 | 47 | open | CN | 6 |
| NU303-ECP | 17 | 47 | 14 | open | CN | 2 |
| NU321-ECP | 105 | 225 | 49 | open | CN | 3 |
| NU322-ECP | 110 | 240 | 50 | open | CN | 4 |
| NU324-ECP | 120 | 260 | 55 | open | CN | 4 |
| NU326-ECP | 130 | 280 | 58 | open | CN | 4 |
| NU328-ECM | 140 | 300 | 62 | open | CN | 3 |
| NU330-ECM | 150 | 320 | 65 | open | CN | 2 |
| NU332-ECML | 160 | 340 | 68 | open | CN | 2 |
| NU334-ECM | 170 | 360 | 72 | open | CN | 2 |
| NU336-ECM | 180 | 380 | 75 | open | CN | 2 |
| NU338-ECM | 190 | 400 | 78 | open | CN | 2 |
| NU340-ECML | 200 | 420 | 80 | open | CN | 2 |
| NU344-M | 220 | 460 | 88 | open | CN | 2 |
| NU348-MA | 240 | 500 | 95 | open | CN | 2 |
| NU352-ECMA | 260 | 540 | 102 | open | CN | 2 |
| NU360-ECM | 300 | 620 | 109 | open | CN | 1 |