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Double row cylindrical roller bearings are available in several designs with a cylindrical or tapered bore. The SKF standard assortment presented in this section includes:
NNU design bearings
NN design bearings
NNUP design bearings
Contact us| Designation | Principal dimensions | Basic load ratings | Speed ratings | Design variant/feature | |||||
| dynamic | static | Reference speed | Limiting speed | ||||||
| d(mm) | D(mm) | B(mm) | C(mm) | C(KN) | C0(KN) | (r/min) | (r/min) | ||
| NNU 4152 M/W33 | 260 | 440 | 180 | 2 200 | 3 900 | 1 300 | 1 600 | NNU/W33 | |
| 315976 B | 280 | 470 | 200 | 2 700 | 5 100 | 1 000 | 1 500 | NNU/C3W33 | |
| NNU 4156 M/W33 | 280 | 460 | 180 | 2 550 | 4 750 | 1 200 | 1 500 | NNU/W33 | |
| BC2B 320119 | 300 | 460 | 180 | 2 600 | 5 500 | 1 000 | 1 500 | NNU.5/C3 | |
| 315583 C | 320 | 480 | 175 | 2 460 | 5 400 | 950 | 1 400 | NNU.4/C3W33 | |
| BC2B 322216 | 320 | 460 | 120 | 1 720 | 3 600 | 950 | 1 400 | NNU.5/WO | |
| NNU 4164 F | 320 | 540 | 218 | 3 690 | 6 200 | 1 000 | 1 300 | NNU | |
| NNUP 4964 B/HB1W33 | 320 | 440 | 118 | 1 020 | 2 360 | 1 400 | 1 500 | NNUP/W33 | |
| BC2B 320118 | 340 | 520 | 305 | 200 | 3 300 | 7 100 | 900 | 1 300 | NNUB.2/C3WO |
| NNU 4168 M/W33 | 340 | 580 | 243 | 4 020 | 7 500 | 950 | 1 200 | NNU/W33 | |
| BC2B 319878 | 350 | 520 | 150 | 2 120 | 4 500 | 850 | 1 300 | NNU/W33 | |
| BC2B 322217 | 360 | 500 | 125 | 2 050 | 4 300 | 900 | 1 300 | NNU.7/WO | |
| BC2B 319961 | 370 | 520 | 220 | 193 | 2 750 | 6 700 | 850 | 1 300 | NNUB.1/W33WI |
| BC2B 320041 | 380 | 540 | 200 | 2 860 | 6 800 | 800 | 1 200 | NNU.1/C4W33 | |
| BC2B 326131/HB1 | 380 | 540 | 130 | 2 010 | 4 300 | 800 | 1 200 | NNU.7/WO | |
| NNU 4176 M | 380 | 620 | 243 | 4 290 | 8 500 | 850 | 1 100 | NNU | |
| 314987 B | 400 | 560 | 205 | 3 140 | 7 800 | 800 | 1 200 | NNU.4/C4W33WI | |
| 314987 C | 400 | 560 | 205 | 3 140 | 7 800 | 800 | 1 200 | NNU.4/C4W33WI | |
| BC2B 326363/HA4 | 400 | 600.19 | 200 | 3 470 | 7 200 | 750 | 1 100 | NN.1/W33 | |
| 316019 | 410 | 600 | 220 | 3 800 | 8 650 | 750 | 1 100 | NNU.4/C4W33WI | |
| 314391 | 420 | 620 | 200 | 3 470 | 7 800 | 700 | 1 100 | NNU.3/C4W33WI | |
| 314982 | 420 | 600 | 220 | 3 580 | 8 800 | 750 | 1 100 | NNU.2/C4W33 | |
| BC2B 326137/HB1 | 420 | 580 | 130 | 2 380 | 5 300 | 750 | 1 100 | NNU.6/WO | |
| 316077 A | 440 | 620 | 225 | 3 910 | 9 800 | 700 | 1 000 | NNU.4/C4W33WI | |
| BC2B 316521 | 440 | 640 | 230 | 4 570 | 9 800 | 850 | 1 000 | NNU.4/W33W | |
| NNU 4888 KM/W33 | 440 | 540 | 100 | 1 010 | 2 900 | 1 000 | 1 100 | NNU K/W33 | |
| NNU 4888 M/W33 | 440 | 540 | 100 | 1 170 | 3 400 | 1 000 | 1 100 | NNU/W33 | |
| BC2B 322969/HB1 | 457.2 | 660.4 | 228.6 | 203.2 | 3 690 | 8 150 | 670 | 950 | NNUB/W33 |
| 316739 A | 460 | 650 | 235 | 4 400 | 11 200 | 670 | 1 000 | NNU.4/C4W33WI | |
| BC2-8004/HA1 | 460 | 780 | 280 | 250 | 5 610 | 10 400 | 560 | 850 | NNUB.4/C4 |
| NNU 4192 M | 460 | 760 | 300 | 6 440 | 12 900 | 670 | 850 | NNU | |
| 316189 | 480 | 700 | 260 | 5 390 | 12 500 | 600 | 900 | NNU.3/C3W33 | |
| NNU 4196 M/W33 | 480 | 790 | 308 | 7 040 | 14 300 | 630 | 800 | NNU/W33 | |
| 314419 | 500 | 720 | 218 | 4 730 | 10 800 | 600 | 850 | NNU.3/C3W33WI | |
| NNU 41/500 M/W33 | 500 | 830 | 325 | 7 480 | 15 000 | 600 | 800 | NNU/W33 | |
| BC2B 320117/HA4 | 530 | 780 | 475 | 285 | 7 210 | 17 300 | 530 | 800 | NNUB.3/C3WO |
| BC2B 326064/HA1 | 530 | 780 | 225 | 4 400 | 9 500 | 530 | 800 | NNU/W33 | |
| NNU 41/530 K30M/W33 | 530 | 870 | 335 | 7 810 | 16 000 | 560 | 750 | NNU K30/W33 | |
| NNU 41/530 M/W33 | 530 | 870 | 335 | 7 810 | 16 000 | 560 | 750 | NNU/W33 | |
| 316115 | 550 | 800 | 260 | 5 830 | 13 400 | 530 | 750 | NNU.3/C3W33 | |
| BC2-8005/HB1 | 600 | 820 | 365 | 7 810 | 21 200 | 480 | 700 | NNU/CNW33 | |
| NNU 41/600 M/W33 | 600 | 980 | 375 | 9 900 | 21 200 | 480 | 630 | NNU/W33 | |
| BC2-8015/HB1 | 690 | 980 | 550 | 357.5 | 9 900 | 27 000 | 400 | 600 | NNUB.5/W33WI |
| BC2-8074/HA5 | 690 | 980 | 365 | 10 500 | 27 000 | 400 | 600 | NNU.3/CNW33 | |
| NNU 41/710 M/W33 | 710 | 1 150 | 438 | 13 400 | 28 500 | 380 | 500 | NNU/W33 | |
| 314420 | 750 | 1 000 | 250 | 6 160 | 16 600 | 380 | 560 | NNU.3/C4W33WI | |
| BC2B 326379/HA4 | 800 | 1 260 | 375 | 12 800 | 28 000 | 300 | 430 | NN.1/C2W33 | |
| BC2-8022/HA1 | 950 | 1 360 | 420 | 14 000 | 33 500 | 260 | 360 | NN/W33 | |
| BC2B 326372/HA1 | 1 319.5 | 1 720 | 300 | 12 500 | 34 500 | 160 | 240 | NN.1/C4W33 | |
