NNU4900-series
Model list for the NNU4900-series cylindrical roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
26 models 100–480 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| NNU4920K | 100 | 140 | 40 | open | CN | 1 |
| NNU4921K | 105 | 145 | 40 | open | CN | 1 |
| NNU4922K | 110 | 150 | 40 | open | CN | 1 |
| NNU4924K | 120 | 165 | 45 | open | CN | 1 |
| NNU4926K | 130 | 180 | 50 | open | CN | 1 |
| NNU4928K | 140 | 190 | 50 | open | CN | 1 |
| NNU4930K | 150 | 210 | 60 | open | CN | 1 |
| NNU4932K | 160 | 220 | 60 | open | CN | 1 |
| NNU4934K | 170 | 230 | 60 | open | CN | 1 |
| NNU4936K | 180 | 250 | 69 | open | CN | 1 |
| NNU4938K | 190 | 260 | 69 | open | CN | 1 |
| NNU4940K | 200 | 280 | 80 | open | CN | 1 |
| NNU4944K | 220 | 300 | 80 | open | CN | 1 |
| NNU4948K | 240 | 320 | 80 | open | CN | 1 |
| NNU4952K | 260 | 360 | 100 | open | CN | 1 |
| NNU4956K | 280 | 380 | 100 | open | CN | 1 |
| NNU4960K | 300 | 420 | 118 | open | CN | 1 |
| NNU4964K | 320 | 440 | 118 | open | CN | 1 |
| NNU4968K | 340 | 460 | 118 | open | CN | 1 |
| NNU4972K | 360 | 480 | 118 | open | CN | 1 |
| NNU4976K | 380 | 520 | 140 | open | CN | 1 |
| NNU4980K | 400 | 540 | 140 | open | CN | 1 |
| NNU4984K | 420 | 560 | 140 | open | CN | 1 |
| NNU4988K | 440 | 600 | 160 | open | CN | 1 |
| NNU4992K | 460 | 620 | 160 | open | CN | 1 |
| NNU4996K | 480 | 650 | 170 | open | CN | 1 |