Dimension table · DIN 5412
Cylindrical roller bearings series NU3
All 31 sizes from d 17 to 240 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 (345 products).
| Designation | d (mm) | D (mm) | B (mm) | C (kN) | C₀ (kN) | n lim (rpm) | m (kg) | Executions | Offers |
|---|---|---|---|---|---|---|---|---|---|
| NU303 | 17 | 47 | 14 | 24,6 | 20,4 | 20000 | 0,120 | Offen | 4 |
| NU304 | 20 | 52 | 15 | 35,5 | 26,0 | 18000 | 0,150 | Offen | 9 |
| NU305 | 25 | 62 | 17 | 46,5 | 36,5 | 15000 | 0,240 | Offen | 15 |
| NU306 | 30 | 72 | 19 | 58,5 | 48,0 | 12000 | 0,403 | Offen | 14 |
| NU307 | 35 | 80 | 21 | 75,0 | 63,0 | 11000 | 0,460 | Offen | 16 |
| NU308 | 40 | 90 | 23 | 93,0 | 78,0 | 9500 | 0,727 | Offen | 16 |
| NU309 | 45 | 100 | 25 | 112,0 | 100,0 | 8500 | 0,955 | Offen | 20 |
| NU310 | 50 | 110 | 27 | 127,0 | 112,0 | 8000 | 1,290 | Offen | 17 |
| NU311 | 55 | 120 | 29 | 156,0 | 143,0 | 7000 | 1,480 | Offen | 21 |
| NU312 | 60 | 130 | 31 | 173,0 | 160,0 | 6700 | 2,060 | Offen | 15 |
| NU313 | 65 | 140 | 33 | 212,0 | 196,0 | 6000 | 2,200 | Offen | 17 |
| NU314 | 70 | 150 | 35 | 236,0 | 228,0 | 5600 | 3,080 | Offen | 17 |
| NU315 | 75 | 160 | 37 | 280,0 | 265,0 | 5300 | 3,660 | Offen | 16 |
| NU316 | 80 | 170 | 39 | 300,0 | 290,0 | 5000 | 3,886 | Offen | 16 |
| NU317 | 85 | 180 | 41 | 340,0 | 335,0 | 4800 | 5,200 | Offen | 11 |
| NU318 | 90 | 190 | 43 | 365,0 | 360,0 | 4500 | 5,250 | Offen | 14 |
| NU319 | 95 | 200 | 45 | 390,0 | 390,0 | 4300 | 6,920 | Offen | 15 |
| NU320 | 100 | 215 | 47 | 450,0 | 440,0 | 3800 | 7,650 | Offen | 14 |
| NU321 | 105 | 225 | 49 | 500,0 | 500,0 | 3800 | 8,560 | Offen | 5 |
| NU322 | 110 | 240 | 50 | 530,0 | 540,0 | 3400 | 11,600 | Offen | 12 |
| NU324 | 120 | 260 | 55 | 610,0 | 620,0 | 3200 | 14,640 | Offen | 11 |
| NU326 | 130 | 280 | 58 | 720,0 | 750,0 | 3000 | 16,500 | Offen | 12 |
| NU328 | 140 | 300 | 62 | 780,0 | 830,0 | 2800 | 22,300 | Offen | 11 |
| NU330 | 150 | 320 | 65 | 900,0 | 965,0 | 2600 | 27,400 | Offen | 2 |
| NU332 | 160 | 340 | 68 | 1000,0 | 1080,0 | 2400 | 32,122 | Offen | 5 |
| NU334 | 170 | 360 | 72 | 809,0 | 1040,0 | 2200 | 38,300 | Offen | 2 |
| NU336 | 180 | 380 | 75 | 1020,0 | 1290,0 | 2200 | 44,500 | Offen | 5 |
| NU338 | 190 | 400 | 78 | 1140,0 | 1500,0 | 200 | 49,750 | Offen | 5 |
| NU340 | 200 | 420 | 80 | 990,0 | 1320,0 | 2400 | 56,276 | Offen | 4 |
| NU344 | 220 | 460 | 88 | 1210,0 | 1630,0 | 1700 | 75,600 | Offen | 2 |
| NU348 | 240 | 500 | 95 | 1450,0 | 2000,0 | 1600 | 95,800 | 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.