• phoneTel: 0086-28-87457505
  • emailEmail: sales@cwlbearing.com
    • sns_1 sns_2 sns_3 sns_4
    English
    page_banner

    Products

    Cylindrical roller bearings of this design are double-row precision bearings for machine tools. They allow radially rigid, high-precision bearing arrangements and are principally used to provide radial support for main spindles.The bearings comprise solid outer rings without ribs, solid inner rings with three ribs and cylindrical roller and cage assemblies with solid brass cages.
    Double row cylindrical roller bearings
    Designation Old code. Principal Dimensions(mm)
    d D B rsmin r2smin
    NN4830 - 150 190 40 1.1 1.1
    NN4830K - 150 190 40 1.1 1.1
    NNU4930 4482930 150 210 60 2 2
    NNU4930K 4382930 150 210 60 2 2
    NN3030 3282130 150 225 56 2.1 2.1
    NN3030K 3182130 150 225 56 2.1 2.1
    NNU4130 - 150 250 100 2.1 2.1
    NNU4130K - 150 250 100 2.1 2.1
    NNU4932 4482932 160 220 60 2 2
    NNU4932K 4382932 160 220 60 2 2
    NN3032 3282132 160 240 60 2.1 2.1
    NN3032K 3182132 160 240 60 2.1 2.1
    NNU4132 - 160 270 109 2.1 2.1
    NNU4132K - 160 270 109 2.1 2.1
    NNU4934 4482934 170 230 30 2 2
    NNU4934K 4382934 170 230 60 2 2
    NN3034 3282134 170 260 67 2.1 2.1
    NN3034K 3182134 170 260 67 2.1 2.1
    NNU4134 - 170 280 109 2.1 2.1
    NNU4134K - 170 280 109 2.1 2.1
    NNU4936 4482936 180 250 69 2 2
    NNU4936K 4382936 180 250 69 2 2
    NN3036 3282136 180 280 74 2.1 2.1
    NN3036K 3182136 180 280 74 2.1 2.1
    NNU4136 - 180 300 118 3 3
    NNU4136K - 180 300 118 3 3
    NNU4938 4482938 190 260 69 2 2
    NNU4938K 4382938 190 260 69 2 2
    NN3038 3282138 190 290 75 2.1 2.1
    NN3038K 3182138 190 290 75 2.1 2.1
    NNU4138 - 190 320 128 3 3
    NNU4138K - 190 320 128 3 3
    NNU4840 - 200 250 50 1.1 1.1
    NNU4840K - 200 250 50 1.1 1.1
    NNU4940 4482940 200 280 80 2.1 2.1
    NNU4940K 4382940 200 280 80 2.1 2.1
    NN3040 3282140 200 310 82 2.1 2.1
    NN3040K 3182140 200 310 82 2.1 2.1
    NNU4140 - 200 340 140 3 3
    NNU4140K - 200 340 140 3 3
    NNU4944 4482944 220 300 80 2.1 2.1
    NNU4944K 4382944 220 300 80 2.1 2.1
    NN3044 3282144 220 340 90 3 3
    NN3044K 3182144 220 340 90 3 3
    NNU4144 - 220 370 150 4 4
    NNU4144K - 220 370 150 4 4
    NNU4848 - 240 300 60 1.1 1.1
    NNU4848K - 240 300 60 1.1 1.1
    NNU4948 4482948 240 320 80 2.1 2.1
    NNU4948K 4382948 240 320 80 2.1 2.1
    NN3048 3282148 240 360 92 3 3
    NN3048K 3182148 240 360 92 3 3
    NNU4148 - 240 400 160 4 4
    NNU4148K - 240 400 160 4 4
    NNU4952 4482952 260 360 100 2.1 2.1
    NNU4952K 4382952 260 360 100 2.1 2.1
    NN3052 3282152 260 400 104 4 4
    NN3052K 3182152 260 400 104 4 4
    NNU4052 - 260 400 140 4 4
    NNU4052K - 260 400 140 4 4
    NNU44152 - 260 440 180 4 4
    NNU4152K - 260 440 180 4 4
    NNU4856 - 280 350 69 1.1 2
    NNU4856K - 280 350 69 1.1 2
    NNU4956 4482956 280 380 100 2.1 2.1
    NNU4956K 4382956 280 380 100 2.1 2.1
    NN3056 3282156 280 420 106 4 4
    NN3056K 3182156 280 420 106 4 4
    NNU4056 - 280 420 140 4 4
    NNU4056K - 280 420 140 4 4
    NNU4156 - 280 460 180 5 5
    NNU4156K - 280 460 180 5 5
    NNU4860 - 300 380 80 1.5 2.1
    NNU4860K - 300 380 80 1.5 2.1
    NNU4960 4482960 300 420 118 3 3
    NNU4960K 4382960 300 420 118 3 3
    NN3060 3282160 300 460 118 4 4
    NN3060K 3182160 300 460 118 4 4
    NNU4060 - 300 460 160 4 4
    NNU4060K - 300 460 160 4 4
    NNU4160 - 300 500 200 5 5
    NU4160K - 300 500 200 5 5
    NNU4864 - 320 400 80 1.5 2.1
    NNU4864k - 320 400 80 1.5 2.1
    NNU4964 4482964 320 440 118 3 3
    NNU4964k 4382964 320 440 118 3 3
    NN3064 3282164 320 480 121 4 4
    NN3064K 3182164 320 480 121 4 4
    NNU4064 - 320 480 160 4 4
    NNU4064K - 320 480 160 4 4
    NNU4164 - 320 540 218 5 5
    NNU4164K - 320 540 218 5 5
    NNU4868 - 340 420 80 1.5 2.1
    NNU4868K - 340 420 80 1.5 2.1
    NNU4968 4482968 340 460 118 3 3
    NNU4968K 4382968 340 460 118 3 3
    NN3068 3282168 340 520 133 5 5
    NN3068K 3182168 340 520 133 5 5
    NNU4068 - 340 520 180 5 5
    NNU4068K - 340 520 180 5 5
    NNU4168 - 340 580 243 5 5
    NNU4168K - 340 580 243 5 5
    NNU4972 4482972 360 480 118 3 3
    NNU4972K 4382972 360 480 118 3 3
    NN3072 3282172 360 540 134 5 5
    NN3072K 3182172 360 540 134 5 5
    NNU4072 - 360 540 180 5 5
    NNU4072K - 360 540 180 5 5
    NNU4172 - 360 600 243 5 5
    NNU4172K - 360 600 243 5 5
    NNU4876 - 380 480 100 1.5 2.1
    NNU4876K - 380 480 100 1.5 2.1
    NNU4976 4482976 380 520 140 4 4
    NNU4976K 4382976 380 520 140 4 4
    NN3076 3282176 380 560 135 5 5
    NN3076K 3182176 380 560 135 5 5
    NNU4076 - 380 560 180 5 5
    NNU4076K - 380 560 180 5 5
    NNU4176 - 380 620 243 5 5
    NNU4176K - 380 620 243 5 5
    NNU4168 - 340 580 243 5 5
    NNU4168K - 340 580 243 5 5
    NNU4972 4482972 360 480 118 3 3
    NNU4972K 4382972 360 480 118 3 3
    NN3072 3282172 360 540 134 5 5
    NN3072K 3182172 360 540 134 5 5
    NNU4072 - 360 540 180 5 5
    NNU4072K - 360 540 180 5 5
    NNU4172 - 360 600 243 5 5
    NNU4172K - 360 600 243 5 5
    NNU4876 - 380 480 100 1.5 2.1
    NNU4876K - 380 480 100 1.5 2.1
    NNU4976 4482976 380 520 140 4 4
    NNU4976K 4382976 380 520 140 4 4
    NN3076 3282176 380 560 135 5 5
    NN3076K 3182176 380 560 135 5 5
    NNU4076 - 380 560 180 5 5
    NNU4076K - 380 560 180 5 5
    NNU4176 - 380 620 243 5 5
    NNU4176K - 380 620 243 5 5
    NNU4184K - 420 700 280 6 6
    NNU4888 - 440 540 100 1.5 1.5
    NNU4888K - 440 540 100 1.5 1.5
    NNU4988 4482988 440 600 160 4 4
    NNU4988K 4382988 440 600 160 4 4
    NN3088 3282188 440 650 157 6 6
    NN3088K 3182188 440 650 157 6 6
    NNU4088 - 440 650 212 6 6
    NNU4088K - 440 650 212 6 6
    NNU4188 - 440 720 280 6 6
    NNU4188K - 440 720 280 6 6
    NNU4892 - 460 580 118 3 3
    NNU4892K - 460 580 118 3 3
    NNU4992 4482992 460 620 160 4 4
    NNU4992K 4382992 460 620 160 4 4
    NN3092 3282192 460 680 163 6 6
    NN3092K 3182192 460 680 163 6 6
    NNU4092 - 460 680 218 6 6
    NNU4092K - 460 680 218 6 6
    NNU4192 - 460 760 300 7.5 7.5
    NNU4192K - 460 760 300 7.5 7.5
    NNU4996 4482996 480 650 170 5 5
    NNU4996K 4382996 480 650 170 5 5
    NN3096 3282196 480 700 165 6 6
    NN3096K 3182196 480 700 165 6 6
    NNU4096 - 480 700 218 6 6
    NNU4096K - 480 700 218 6 6
    NNU4196 - 480 790 308 7.5 7.5
    NNU4196K - 480 790 308 7.5 7.5
    NNU49/500 44829/500 500 670 170 5 5
    NNU49/500K 43829/500 500 670 170 5 5
    NN30/500 32821/500 500 720 167 6 6
    NN30/500K - 500 720 167 6 6
    NNU40/500 - 500 720 218 6 6
    NNU40/500K - 500 720 218 6 6
    NNU41/500 - 500 830 325 7.5 7.5
    NNU41/500K - 500 830 325 7.5 7.5
    NNU49/530 44829/530 530 710 180 5 5
    NNU49/530K 43829/530 530 710 180 5 5
    NN30/530 32821/530 530 780 185 6 6
    NN30/530K 31821/530 530 780 185 6 6
    NNU40/530 - 530 780 250 6 6
    NNU40/530K - 530 780 250 6 6
    NNU41/530 - 530 870 335 7.5 7.5
    NNU41/530K - 530 870 335 7.5 7.5
    NN39/560 - 560 750 140 5 5
    NNU49/560 44829/560 560 750 190 5 5
    NNU49/560K 43829/560 560 750 190 5 5
    NN6/560 - 560 780 180 6 6
    NN30/560 32821/560 560 820 195 6 6
    NN30/560K 31821/560 560 820 195 6 6
    NNU40/560 - 560 820 258 6 6
    NNU40/560K - 560 820 258 6 6
    NNU41/560 - 560 920 355 7.5 7.5
    NNU41/560K - 560 920 355 7.5 7.5
    NN49/600 42829/600 600 800 200 5 5
    NNU49/600 44829/600 600 800 200 5 5
    NNU49/600K 43829/600 600 800 200 5 5
    NN30/600 32821/600 600 870 200 6 6
    NN30/600K 31821/600 600 870 200 6 6
    NNU40/600 - 600 870 272 6 6
    NNU40/600K - 600 870 272 6 6
    NNU41/600 - 600 980 375 7.5 7.5
    NNU41/600K - 600 980 375 7.5 7.5
    NNU49/630 44829/630 630 850 218 6 6
    NNU49/630K 43829/630 630 850 218 6 6
    NN30/630 32821/630 630 920 212 7.5 7.5
    NN30/630K 31821/630 630 920 212 7.5 7.5
    NNU40/630 - 630 920 290 7.5 7.5
    NNU40/630K - 630 920 290 7.5 7.5
    NNU41/630 - 630 1030 400 7.5 7.5
    NNU41/630K - 630 1030 400 7.5 7.5
    NNU49/670 44829/670 670 900 230 6 6
    NNU49/670K 43829/670 670 900 230 6 6
    NN30/670 32821/670 670 980 280 7.5 7.5
    NN30/670K 31821/670 670 980 280 7.5 7.5
    NNU40/670 - 670 980 308 7.5 7.5
    NNU40/670K - 670 980 308 7.5 7.5
    NNU41/670 - 670 1090 412 7.5 7.5
    NNU41/670K - 670 1090 412 7.5 7.5
    NNU49/710 44829/710 710 950 243 6 6
    NNU49/710K 43829/710 710 950 243 6 6
    NN30/710 32821/710 710 1030 236 7.5 7.5
    NN30/710K 31821/710 710 1030 236 7.5 7.5
    NNU10/710 - 710 1030 315 7.5 7.5
    NNU40/710K - 710 1030 315 7.5 7.5
    NNU41/710 - 710 1150 438 7.5 7.5
    NNU41/710K - 710 1150 438 7.5 7.5
    NN48/750 - 750 920 170 5 5
    NN48/750K - 750 920 170 5 5
    NNU49/750 44829/750 750 1000 250 6 6
    NNU49/750K 43829/750 750 1000 250 6 6
    NN30/750 32821/750 750 1090 250 7.5 7.5
    NN30/750K 31821/750 750 1090 250 7.5 7.5
    NNU40/750 - 750 1090 335 7.5 7.5
    NNU40/750K - 750 1090 335 7.5 7.5
    NNU41/750 - 750 1220 475 9.5 9.5
    NNU41/750K - 750 1200 475 9.5 9.5
    NNU49/800 44829/800 800 1060 258 6 6
    NNU49/800K 43829/800 800 1060 258 6 6
    NN30/800 32821/800 800 1150 258 7.5 7.5
    NN30/800K 31821/800 800 1150 258 7.5 7.5
    NNU40/800 - 800 1150 345 7.5 7.5
    NNU48/800K - 800 1150 345 7.5 7.5
    NNU41/800 - 800 1280 475 9.5 9.5
    NNU41/800K - 800 1280 475 9.5 9.5
    NNU49/850 44829/850 850 1120 272 6 6
    NNU49/850K 43829/850 850 1120 272 6 6
    NN30/850 32821/850 850 1220 272 7.5 7.5
    NN30/850K 31821/850 850 1220 272 7.5 7.5
    NNU40/850 - 850 1220 365 7.5 7.5
    NNU40/850K - 850 1220 365 7.5 7.5
    NNU49/900 44829/900 900 1180 280 6 6
    NNU49/900K 43829/900 900 1180 280 6 6
    NN30/900 32821/900 900 1280 280 7.5 7.5
    NN30/900K 31821/900 900 1280 280 7.5 7.5
    NNU40/900 - 900 1280 375 7.5 7.5
    NNU40/900K - 900 1280 375 7.5 7.5
    NNU49/950 44829/950 950 1250 300 7.5 7.5
    NNU49/950K 43829/950 950 1250 300 7.5 7.5
    NN30-950 32821/950 950 1360 30 7.5 7.5
    NN30/950K 31821/950 950 1360 300 7.5 7.5
    NNU40/950 - 950 1360 412 7.5 7.5
    NNU40/950K - 950 1360 412 7.5 7.5
    NNU19/1000 44829/1000 1000 1320 315 7.5 7.5
    NNU49/1000K 43829/1000 1000 1320 315 7.5 7.5
    NN49/1000 42829/1000 1000 1320 315 7.5 7.5
    NN49/1000K 41829/1000 1000 1320 315 7.5 7.5
    NN30/1000 32821/1000 1000 1420 308 7.5 7.5
    NN30/1000K 31821/1000 1000 1420 308 7.5 7.5
    NNU40/1000 - 1000 1420 412 7.5 7.5
    NNU40/1000K - 1000 1420 412 7.5 7.5
    NNU49/1060 44829/1060 1060 1400 335 7.5 7.5
    NNU49/1060K 43829/1060 1060 1400 335 7.5 7.5
    NN30/1060 32821/1060 1060 1500 325 9.5 9.5
    NN30/1060K 21821/1060 1060 1500 325 9.5 9.5
    NNU49/1120 44829/1120 1120 1460 335 7.5 7.5
    NNU49/1120K 43829/1120 1120 1460 335 7.5 7.5
    NNU49/1180 44829/1180 1180 1540 355 7.5 7.5
    NNU49/1180K 43829/1180 1180 1540 355 7.5 7.5
    NNU49/1320 44829/1320 1320 1720 400 7.5 7.5
    NNU49/1320K 43829/1320 1320 1720 400 7.5 7.5
    NN49/1320 42829/1320 1320 1720 400 7.5 7.5
    NN49/1320K 41829/1320 1320 1720 400 7.5 7.5
    Hit enter to search or ESC to close