Cylindrical roller bearings, double row, high-precision                                                                   Principal dimensions Basic load ratings Fatigue Attainable speeds Mass Designation     dynamic static load when lubricating with     limit grease oil-air   d D B C C0 Pu   mm kN kN r/min kg -   320 440 118 1060 2500 232 1700 1900 50 NNU 4964 B/SPW33   320 440 118 1060 2500 232 1700 1900 50 NNU 4964 BK/SPW33   320 480 121 1320 2600 240 1600 1800 71 NN 3064 K/SPW33   340 460 118 1100 2650 245 1500 1700 53 NNU 4968 B/SPC3W33   340 460 118 1100 2650 245 1500 1700 53 NNU 4968 B/SPW33   340 460 118 1100 2650 245 1500 1700 53 NNU 4968 BK/SPW33   340 520 133 1650 3250 290 1400 1600 94,5 NN 3068 K/SPW33   360 480 118 1120 2800 250 1500 1700 55 NNU 4972 B/SPW33   360 480 118 1120 2800 250 1500 1700 55 NNU 4972 BK/SPW33   360 540 134 1720 3450 310 1300 1500 102 NN 3072 K/SPW33   380 520 140 1450 3600 320 1300 1500 83,5 NNU 4976 B/HB1SPC3W33   380 520 140 1450 3600 320 1300 1500 83,5 NNU 4976 B/SPW33   380 520 140 1450 3600 320 1300 1500 83,5 NNU 4976 BK/SPW33   380 560 135 1680 3450 305 1300 1500 105 NN 3076 K/SPW33   400 540 140 1470 3800 335 1300 1500 87,5 NNU 4980 B/SPW33   400 540 140 1470 3800 335 1300 1500 87,5 NNU 4980 BK/SPW33   400 600 148 2160 4500 380 1200 1400 135 NN 3080 K/SPW33   420 560 140 1510 4000 345 1200 1400 91 NNU 4984 B/SPC3W33   420 560 140 1510 4000 345 1200 1400 91,0 NNU 4984 B/SPW33   420 560 140 1510 4000 345 1200 1400 91 NNU 4984 BK/SPW33   420 620 150 2120 4500 380 1100 1300 140 NN 3084 K/SPW33   460 620 160 2090 5500 465 1000 1200 130 NNU 4992 B/SPW33   460 620 160 2090 5500 465 1000 1200 130 NNU 4992 BK/SPW33   460 680 163 2600 5500 455 1000 1200 190 NN 3092 K/SPW33   500 670 170 2330 6100 510 950 1100 165 NNU 49/500 B/SPC3W33X

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