Dimension table · DIN 5412
Cylindrical roller bearings series NNU49
All 14 sizes from d 100 to 260 mm bore: principal dimensions d × D × B, dynamic and static load ratings (C, C₀), limiting speed and mass — plus the executions and brands available from us (54 products).
| Designation | d (mm) | D (mm) | B (mm) | C (kN) | C₀ (kN) | n lim (rpm) | m (kg) | Executions | Offers |
|---|---|---|---|---|---|---|---|---|---|
| NNU4920 | 100 | 140 | 40 | 128,0 | 255,0 | 5300 | 1,910 | Offen | 5 |
| NNU4921 | 105 | 145 | 40 | 130,0 | 260,0 | 5000 | 1,870 | Offen | 1 |
| NNU4922 | 110 | 150 | 40 | 132,0 | 270,0 | 4800 | 2,060 | Offen | 5 |
| NNU4924 | 120 | 165 | 45 | 176,0 | 340,0 | 4300 | 2,905 | Offen | 5 |
| NNU4926 | 130 | 180 | 50 | 187,0 | 390,0 | 4000 | 4,050 | Offen | 5 |
| NNU4928 | 140 | 190 | 50 | 190,0 | 400,0 | 3800 | 4,170 | Offen | 5 |
| NNU4930 | 150 | 210 | 60 | 330,0 | 655,0 | 3400 | 6,420 | Offen | 5 |
| NNU4932 | 160 | 220 | 60 | 330,0 | 680,0 | 3200 | 6,750 | Offen | 4 |
| NNU4934 | 170 | 230 | 60 | 336,0 | 695,0 | 3000 | 7,070 | Offen | 4 |
| NNU4936 | 180 | 250 | 69 | 402,0 | 850,0 | 2800 | 10,420 | Offen | 5 |
| NNU4938 | 190 | 260 | 69 | 402,0 | 880,0 | 2600 | 10,200 | Offen | 1 |
| NNU4940 | 200 | 280 | 80 | 484,0 | 1040,0 | 2400 | 15,800 | Offen | 4 |
| NNU4944 | 220 | 300 | 80 | 512,0 | 1140,0 | 2200 | 15,700 | Offen | 3 |
| NNU4952 | 260 | 360 | 100 | 748,0 | 1700,0 | 1900 | 30,440 | Offen | 2 |
Load ratings (C, C0), limiting speed and mass are catalogue values of the open steel standard execution. Contact seals (RS/2RS) reduce the limiting speed; stainless and ceramic executions differ. All data without guarantee.