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    NSK Super Precision Cylindrical Roller Bearings

    NSK super precision cylindrical roller bearings are designed specifically to handle large radial loads in high-speed spindle applications that require high running accuracy.

    Standard bearings that conform to ISO standards and specialized series for machine tools.

    Double-row cylindrical roller bearings with high rigidity and single-row options for high speeds.

    A range of NSKROBUST™ high-performance bearings for both high rigidity and ultra-high speeds.

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    Product Description

    Designation(1)(2) BoundaryDimensions BasicLoadRatings Ew Mass LimitingSpeeds(3)
    (mm) (kN) (mm) (kg) (min–1)
    d D B r r1 Cr Cor (reference) (approx.) Grease Oil
    (min.) (min.) (Dynamic) (Static)
    *N1006MR1KR 30 55 13 1 0.6 19.7 19.6 48.5 0.135 19000 31000
    *N1007MRKR 35 62 14 1 0.6 26 23.2 55 0.172 17000 27000
    *N1008MRKR 40 68 15 1 0.6 31.5 29 61 0.213 15000 25000
    *N1009MRKR 45 75 16 1 0.6 37.5 35.5 67.5 0.279 14000 22000
    *N1009RSTPKR 45 75 16 1 0.6 26.9 29.4 67.5 0.243 16000 23000
    *N1009RXTPKR 45 75 16 1 0.6 26.9 29.4 67.5 0.243 21000 30000
    *N1009RSZTPKR 45 75 16 1 0.6 16 14.7 67.5 0.224 16000 23000
    *N1009RXZTPKR 45 75 16 1 0.6 16 14.7 67.5 0.224 21000 30000
    *N1010MRKR 50 80 16 1 0.6 37 36 72.5 0.286 13000 20000
    *N1010RSTPKR 50 80 16 1 0.6 28.8 33 72.5 0.265 15000 21000
    *N1010RXTPKR 50 80 16 1 0.6 28.8 33 72.5 0.265 20000 27000
    *N1010RSZTPKR 50 80 16 1 0.6 17.1 16.5 72.5 0.244 15000 21000
    *N1010RXZTPKR 50 80 16 1 0.6 17.1 16.5 72.5 0.244 20000 27000
    *N1011BMR1KR 55 90 18 1.1 1 43.5 44 81 0.425 12000 18000
    *N1011RSTPKR 55 90 18 1.1 1 35 39.5 81 0.383 13000 19000
    *N1011RXTPKR 55 90 18 1.1 1 35 39.5 81 0.383 18000 25000
    *N1011RSZTPKR 55 90 18 1.1 1 20.7 19.7 81 0.355 13000 19000
    *N1011RXZTPKR 55 90 18 1.1 1 20.7 19.7 81 0.355 18000 25000
    *N1012BMR1KR 60 95 18 1.1 1 46 48.5 86.1 0.454 11000 17000
    *N1012RSTPKR 60 95 18 1.1 1 37.5 44 86.1 0.411 12000 18000
    *N1012RXTPKR 60 95 18 1.1 1 37.5 44 86.1 0.411 17000 23000
    *N1012RSZTPKR 60 95 18 1.1 1 22.2 22.1 86.1 0.38 12000 18000
    *N1012RXZTPKR 60 95 18 1.1 1 22.2 22.1 86.1 0.38 17000 23000
    *N1013BMR1KR 65 100 18 1.1 1 47 51 91 0.483 10000 16000
    *N1013RSTPKR 65 100 18 1.1 1 39.5 49 91 0.44 11000 17000
    *N1013RXTPKR 65 100 18 1.1 1 39.5 49 91 0.44 16000 22000
    *N1013RSZTPKR 65 100 18 1.1 1 23.6 24.5 91 0.406 11000 17000
    *N1013RXZTPKR 65 100 18 1.1 1 23.6 24.5 91 0.406 16000 22000
    *N1014BMR1KR 70 110 20 1.1 1 57.5 63 100 0.668 9000 15000
    *N1014RSTPKR 70 110 20 1.1 1 46.5 57 100 0.607 10000 16000
    *N1014RXTPKR 70 110 20 1.1 1 46.5 57 100 0.607 15000 20000
    *N1014RSZTPKR 70 110 20 1.1 1 27.8 28.5 100 0.563 10000 16000
    *N1014RXZTPKR 70 110 20 1.1 1 27.8 28.5 100 0.563 15000 20000
    *N1015MRKR 75 115 20 1.1 1 69 74.5 105 0.7 8500 13700
    *N1015RSTPKR 75 115 20 1.1 1 49.5 63 105 0.645 9900 15000
    *N1015RXTPKR 75 115 20 1.1 1 49.5 63 105 0.645 14000 19000
    *N1015RSZTPKR 75 115 20 1.1 1 29.6 31.5 105 0.596 9900 15000
    *N1015RXZTPKR 75 115 20 1.1 1 29.6 31.5 105 0.596 14000 19000
    *N1016BMR1KR 80 125 22 1.1 1 73 82 113 0.957 7900 12700
    *N1016RSTPKR 80 125 22 1.1 1 61.5 78.5 113 0.872 9200 14000
    *N1016RXTPKR 80 125 22 1.1 1 61.5 78.5 113 0.872 13000 17000
    *N1016RSZTPKR 80 125 22 1.1 1 36.5 39.5 113 0.805 9200 14000
    *N1016RXZTPKR 80 125 22 1.1 1 36.5 39.5 113 0.805 13000 17000
    *N1017BMR1KR 85 130 22 1.1 1 75 86 118 1.067 7500 10300
    *N1017RSTPKR 85 130 22 1.1 1 65 86 118 0.933 8800 13000
    *N1017RXTPKR 85 130 22 1.1 1 65 86 118 0.933 12000 17000
    *N1017RSZTPKR 85 130 22 1.1 1 38.5 43 118 0.859 8800 13000
    *N1017RXZTPKR 85 130 22 1.1 1 38.5 43 118 0.859 12000 17000
    *N1018MRKR 90 140 24 1.5 1.1 101 114 127 1.27 7000 9600
    *N1019BMR1KR 95 145 24 1.5 1.1 95 114 132 1.37 6700 9200
    *N1020MRKR 100 150 24 1.5 1.1 107 126 137 1.46 6400 8800
    *N1021BMR1KR 105 160 26 2 1.1 129 155 146 1.79 6100 8300
    *N1022BMR1KR 110 170 28 2 1.1 144 173 155 2.22 5800 7900
    *N1024MRKR 120 180 28 2 1.1 159 191 165 2.34 5400 7300
    *N1026MRKR 130 200 33 2 1.1 198 238 182 3.55 4900 6700
    *N1028BMR1KR 140 210 33 2 1.1 189 240 192 3.78 4600 6300
    *N1030BMRKR 150 225 35 2.1 1.5 233 294 206 4.56 4300 5100
    *N1032BMRKR 160 240 38 2.1 1.5 330 340 219 5.59 4000 4800
    N1034MRKR 170 260 42 2.1 2.1 330 415 237 7.85 3600 4400
    N1036MRKR 180 280 46 2.1 2.1 405 510 255 9.76 3400 4100
    N1038KR 190 290 46 2.1 2.1 415 535 265 10.4 3200 4000
    N1040MRKR 200 310 51 2.1 2.1 450 580 281 13.5 3000 3700
    N1044MRKR 220 340 56 3 3 575 750 310 17.4 2500 3000
    N1048KR 240 360 56 3 3 605 820 330 18.6 2300 2800
    N1052KR 260 400 65 4 4 645 1000 364 27.6 2100 2600
    N1060KR 300 460 74 4 4 885 1400 420 42.2 1800 2200
    N1064KR 320 480 74 4 4 905 1470 440 43.8 1800 2100
    N1068KR 340 520 82 5 5 1080 1740 475 59.8 1600 2000
    N1072KR 360 540 82 5 5 1110 1830 495 61.6 1600 1900
    N1080KR 400 600 90 5 5 1360 2280 550 84.1 1400 1700
    *NN3005MBKR 25 47 16 0.6 25.8 30 41.3 0.121 20900 25000
    *NN3006MBKR 30 55 19 1 31 37 48.5 0.186 17700 21200
    *NN3006TBKR 30 55 19 1 31 37 48.5 0.171 20000 23600
    *NN3006ZTBKR 30 55 19 1 18.3 18.6 48.5 0.152 21000 27900
    *NN3007MBKR 35 62 20 1 39.5 50 55 0.297 15500 18600
    *NN3007TBKR 35 62 20 1 39.5 50 55 0.227 17600 20700
    *NN3007ZTBKR 35 62 20 1 23.3 25 55 0.198 18400 24500
    *NN3008MBKR 40 68 21 1 50 55.5 61 0.356 13900 16700
    *NN3008TBKR 40 68 21 1 50 55.5 61 0.269 15800 18600
    *NN3008ZTBKR 40 68 21 1 29.6 27.7 61 0.234 16600 22000
    *NN3009MBKR 45 75 23 1 59.5 68.5 67.5 0.471 12500 15000
    *NN3009TBKR 45 75 23 1 57.5 65.5 67.5 0.348 14200 16700
    *NN3009ZTBKR 45 75 23 1 34 32.5 67.5 0.302 14900 19800
    *NN3010MBKR 50 80 23 1 61 72.5 72.5 0.502 11600 13900
    *NN3010TBKR 50 80 23 1 61 72.5 72.5 0.378 13100 15400
    *NN3010ZTBKR 50 80 23 1 36.5 36.5 72.5 0.328 13800 18300
    *NN3011MBKR 55 90 26 1.1 79.5 96.5 81 0.748 10400 12500
    *NN3011TBKR 55 90 26 1.1 79.5 96.5 81 0.562 11800 13800
    *NN3011ZTBKR 55 90 26 1.1 47.5 48.5 81 0.488 12400 16400
    *NN3012MBKR 60 95 26 1.1 84.5 106 86.1 0.804 9700 11700
    *NN3012TBKR 60 95 26 1.1 84.5 106 86.1 0.602 11000 13000
    *NN3012ZTBKR 60 95 26 1.1 50 53 86.1 0.522 11600 15400
    *NN3013MBKR 65 100 26 1.1 88.5 116 91 0.862 9100 11000
    *NN3013TBKR 65 100 26 1.1 88.5 116 91 0.644 10400 12200
    *NN3013ZTBKR 65 100 26 1.1 52.5 58 91 0.557 10900 14500
    *NN3014MBKR 70 110 30 1.1 112 148 100 1.23 8000 10000
    *NN3014TBKR 70 110 30 1.1 112 148 100 0.925 9500 11200
    *NN3014ZTBKR 70 110 30 1.1 66.5 74 100 0.809 9900 13200
    *NN3015MBKR 75 115 30 1.1 111 149 105 1.28 7900 9500
    *NN3015TBKR 75 115 30 1.1 111 149 105 0.964 9000 10600
    *NN3015ZTBKR 75 115 30 1.1 66 74.5 105 0.848 9400 12500
    *NN3016MBKR 80 125 34 1.1 137 186 113 1.77 7400 8800
    *NN3016TBKR 80 125 34 1.1 137 186 113 1.35 8300 9800
    *NN3016ZTBKR 80 125 34 1.1 81.5 93 113 1.19 8800 11700
    *NN3017MBKR 85 130 34 1.1 144 201 118 1.87 7000 8400
    *NN3017TBKR 85 130 34 1.1 144 201 118 1.42 8000 9400
    *NN3017ZTBKR 85 130 34 1.1 85.5 101 118 1.25 8400 11100
    *NN3018MBKR 90 140 37 1.5 164 228 127 2.38 6600 7900
    *NN3018TBKR 90 140 37 1.5 164 228 127 1.82 7400 8700
    *NN3018ZTBKR 90 140 37 1.5 97.5 114 127 1.61 7800 10300
    *NN3019MBKR 95 145 37 1.5 173 246 132 2.51 6300 7500
    *NN3019TBKR 95 145 37 1.5 173 246 132 1.91 7100 8400
    *NN3019ZTBKR 95 145 37 1.5 103 123 132 1.68 7500 9900
    NN3920MBKR 100 140 30 1.1 122 182 130 1.32 6300 7500
    NN4920MBKR 100 140 40 1.1 178 295 130 1.76 6300 7500
    NNU4920MBKR 100 140 40 1.1 178 295 112 1.75 6300 7500
    *NN3020MBKR 100 150 37 1.5 180 265 137 2.63 6000 7200
    *NN3020TBKR 100 150 37 1.5 180 265 137 2 6800 8000
    *NN3020ZTBKR 100 150 37 1.5 107 133 137 1.76 7200 9500
    NN4921MBKR 105 145 40 1.1 185 315 135 1.91 6000 7200
    NNU4921MBKR 105 145 40 1.1 185 315 117 1.83 6000 7200
    *NN3021MBKR 105 160 41 2 228 320 146 3.4 5700 6800
    *NN3021TBKR 105 160 41 2 228 320 146 2.52 6500 7600
    *NN3021ZTBKR 105 160 41 2 135 161 146 2.17 6800 9000
    NN3922MBKR 110 150 30 1.1 131 207 140 1.44 5800 7000
    NN4922MBKR 110 150 40 1.1 192 335 140 1.92 5800 7000
    NNU4922MBKR 110 150 40 1.1 192 335 122 1.9 5800 7000
    *NN3022MBKR 110 170 45 2 263 375 155 4.35 5400 6500
    *NN3022TBKR 110 170 45 2 263 375 155 3.21 6100 7200
    *NN3022ZTBKR 110 170 45 2 156 188 155 2.78 6400 8500
    NN3924MBKR 120 165 34 1.1 158 251 153.5 2.02 5300 6400
    NN4924MBKR 120 165 45 1.1 211 360 153.5 2.62 5300 6400
    NNU4924MBKR 120 165 45 1.1 211 360 133.5 2.59 5300 6400
    *NN3024MBKR 120 180 46 2 275 405 165 4.72 5000 6000
    *NN3024TBKR 120 180 46 2 275 405 165 3.5 5700 6700
    *NN3024ZTBKR 120 180 46 2 164 203 165 3.03 6000 7900
    NN3926MBKR 130 180 37 1.5 199 325 167 2.64 4900 5900
    NN4926MBKR 130 180 50 1.5 315 545 168 3.51 4900 5900
    NNU4926MBKR 130 180 50 1.5 315 545 144 3.48 4900 5900
    *NN3026MBKR 130 200 52 2 325 475 182 5.53 4600 5500
    *NN3026TBKR 130 200 52 2 325 475 182 5.1 5200 6100
    *NN3026ZTBKR 130 200 52 2 195 238 182 4.46 5500 7200
    NN3928MBKR 140 190 37 1.5 232 375 178 2.79 4600 5500
    NN4928MBKR 140 190 50 1.5 325 585 178 3.73 4600 5500
    NNU4928MBKR 140 190 50 1.5 325 585 154 3.7 4600 5500
    *NN3028MBKR 140 210 53 2 345 515 192 5.95 4300 5200
    *NN3028TBKR 140 210 53 2 345 515 192 5.51 4900 5700
    *NN3028ZTBKR 140 210 53 2 204 258 192 4.81 5200 6800
    NN3930MBKR 150 210 45 2 300 490 195 4.47 4200 5000
    NN4930MBKR 150 210 60 2 405 715 195 5.79 4200 5000
    NNU4930MBKR 150 210 60 2 405 715 167 5.85 4200 5000
    *NN3030MBKR 150 225 56 2.1 385 585 206 7.29 4000 4800
    *NN3030TBKR 150 225 56 2.1 385 585 206 6.7 4500 5300
    *NN3030ZTBKR 150 225 56 2.1 229 294 206 5.87 4800 6300
    NN3932MBKR 160 220 45 2 310 520 205 4.72 4000 4800
    NN4932MBKR 160 220 60 2 420 760 205 6.19 4000 4800
    NNU4932MBKR 160 220 60 2 420 760 177 6.18 4000 4800
    *NN3032MBKR 160 240 60 2.1 430 660 219 8.83 3800 4500
    *NN3032TBKR 160 240 60 2.1 430 660 219 8.18 4300 5000
    *NN3032ZTBKR 160 240 60 2.1 255 330 219 7.2 4500 6000
    NN3934MBKR 170 230 45 2 320 550 215 5.01 3800 4500
    NN4934MBKR 170 230 60 2 435 805 215 6.42 3800 4500
    NNU4934MBKR 170 230 60 2 435 805 187 6.5 3800 4500
    NN3034MBKR 170 260 67 2.1 520 805 236 12.1 3500 4200
    NN3936MBKR 180 250 52 2 390 655 232 7.2 3500 4200
    NN4936MBKR 180 250 69 2 550 1020 232 9.47 3500 4200
    NNU4936MBKR 180 250 69 2 550 1020 200 9.55 3500 4200
    NN3036MBKR 180 280 74 2.1 650 995 255 15.7 3300 4000
    NN3938MBKR 190 260 52 2 395 680 243.5 7.57 3400 4000
    NN4938MBKR 190 260 69 2 555 1060 243.5 9.72 3400 4000
    NNU4938MBKR 190 260 69 2 555 1060 211.5 9.91 3400 4000
    NN3038MBKR 190 290 75 2.1 685 1080 265 16.7 3200 3800
    NN3940MBKR 200 280 60 2.1 480 815 259 10.6 3200 3800
    NN4940MBKR 200 280 80 2.1 655 1220 259 14 3200 3800
    NNU4940MBKR 200 280 80 2.1 655 1220 223 14 3200 3800
    NN3040MBKR 200 310 82 2.1 750 1170 282 21.3 3000 3600
    NN3944MBKR 220 300 60 2.1 505 895 279 11.5 2500 3100
    NN4944MBKR 220 300 80 2.1 690 1330 279 15.1 2500 3100
    NNU4944MBKR 220 300 80 2.1 690 1330 243 15.2 2500 3100
    NN3044MBKR 220 340 90 3 940 1480 310 27.7 2400 2900
    NN3948MBKR 240 320 60 2.1 525 975 300 12.3 2400 2900
    NN4948MBKR 240 320 80 2.1 720 1450 300 17.8 2400 2900
    NNU4948MBKR 240 320 80 2.1 720 1450 263 16.2 2400 2900
    NN3048MBKR 240 360 92 3 980 1600 330 30.4 2200 2700
    NN3952MBKR 260 360 75 2.1 775 1380 335 21.4 2100 2600
    NN4952MBKR 260 360 100 2.1 1070 2100 335 28.4 2100 2600
    NNU4952MBKR 260 360 100 2.1 1070 2100 289 28.3 2100 2600
    NN3052KR 260 400 104 4 1030 1920 364 44.7 2000 2500
    NN3956MBKR 280 380 75 2.1 695 1460 355 22.8 2000 2500
    NN4956KR 280 380 100 2.1 960 2230 355 30.1 2000 2500
    NNU4956KR 280 380 100 2.1 960 2230 309 33.1 2000 2500
    NN3056KR 280 420 106 4 1080 2080 384 47.7 1900 2300
    NN3960KR 300 420 90 3 855 1800 388 36.2 1800 2300
    NN4960KR 300 420 118 3 1230 2870 388 47.6 1800 2300
    NNU4960KR 300 420 118 3 1230 2870 336 47.6 1800 2300
    NN3060KR 300 460 118 4 1290 2460 418 66.5 1800 2100
    NN3964KR 320 440 90 3 880 1910 408 38.2 1800 2100
    NN4964KR 320 440 118 3 1260 3050 408 50.3 1800 2100
    NNU4964KR 320 440 118 3 1260 3050 356 50.3 1800 2100
    NN3064KR 320 480 121 4 1350 2670 438 71.8 1700 2000
    NN4968KR 340 460 118 3 1350 3400 428 52.6 1700 2000
    NNU4968KR 340 460 118 3 1350 3400 376 52.9 1700 2000
    NN3068KR 340 520 133 5 1670 3300 473 95.6 1600 1900
    NN3972KR 360 480 90 3 930 2130 448 42.1 1600 1900
    NN4972KR 360 480 118 3 1390 3550 448 55.1 1600 1900
    NNU4972KR 360 480 118 3 1390 3550 396 55.2 1600 1900
    NN3072KR 360 540 134 5 1700 3450 493 99.7 1500 1800
    NN3976KR 380 520 106 4 1250 2730 484 63.5 1500 1800
    NN4976KR 380 520 140 4 1880 4600 485 81.3 1500 1800
    NNU4976KR 380 520 140 4 1880 4600 421 88.8 1500 1800
    NN3076KR 380 560 135 5 1770 3700 513 113 1400 1700
    NN4980KR 400 540 140 4 1940 4900 505 84.1 1400 1700
    NNU4980KR 400 540 140 4 1940 4900 441 85.1 1400 1700
    NN3080KR 400 600 148 5 2090 4300 548 138 1300 1600
    NN4984K 420 560 140 4 2000 5150 525 87.9 1200 1500
    NNU4984K 420 560 140 4 2000 5150 461 88.4 1200 1500
    NN3084K 420 620 150 5 2130 4450 568 145 1100 1400
    NN4988K 440 600 160 4 2370 6000 559 123 1100 1400
    NNU4988K 440 600 160 4 2370 6000 487 123 1100 1400
    NN3088K 440 650 157 6 2360 4900 596 166 1100 1300
    NN3992K 460 620 118 4 1610 3700 578 94.5 1100 1300
    NN4992K 460 620 160 4 2400 6200 579 127 1100 1300
    NNU4992K 460 620 160 4 2400 6200 507 128 1100 1300
    NN3092K 460 680 163 6 2550 5350 623 189 1000 1300
    NN4996K 480 650 170 5 2690 7000 607 151 1000 1300
    NNU4996K 480 650 170 5 2690 7000 531 150 1000 1300
    NN3096K 480 700 165 6 2600 5550 643 211 1000 1200
    NN49/500K 500 670 170 5 2720 7200 627 155 1000 1200
    NNU49/500K 500 670 170 5 2720 7200 551 157 1000 1200
    NN30/500K 500 720 167 6 2580 5600 663 205 900 1200
    NN39/530K 530 710 136 5 2040 4900 663 139 900 1200
    NN49/530K 530 710 180 5 3050 8150 664 185 900 1200
    NNU49/530K 530 710 180 5 3050 8150 584 186 900 1200
    NN30/530K 530 780 185 6 3200 6900 715 280 900 1100
    NN49/560K 560 750 190 5 3250 8700 701 218 900 1100
    NNU49/560K 560 750 190 5 3250 8700 617 230 900 1100
    NN49/600K 600 800 200 5 3850 10500 749 273 800 1000
    NNU49/600K 600 800 200 5 3850 10500 659 284 800 1000
    NN49/630K 630 850 218 6 4200 11400 793 328 800 1000
    NNU49/630K 630 850 218 6 4200 11400 697 328 800 1000
    NN49/670K 670 900 230 6 4150 11500 838 419 700 900
    NNU49/670K 670 900 230 6 4150 11500 742 381 700 900
    NNU49/710BK 710 950 243 6 4450 12600 775 472 700 900
    NNU49/750K 750 1000 250 6 5500 15900 826 530 700 800
    NNU49/800K 800 1060 258 6 5700 16500 879 573 600 800

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