The double-row cylindrical roller bearing is a precision bearing specifically designed for working conditions with ultra-high radial loads. Its load-bearing capacity can reach 1.5 to 2 times that of a single-row bearing of the same size, while maintaining excellent rotational accuracy and rigidity.
Feature
1.High stiffness and load-bearing capacity: The double-row cylindrical roller bearing has smaller-diameter rollers but a larger quantity, which endows it with high stiffness. The two rows of rollers are arranged in a staggered manner, further reducing the variation in stiffness and thus improving the load-bearing capacity of the bearing.
2.Outer ring without rib design: The outer ring of the double-row cylindrical roller bearing usually has no rib design, which makes the machining more convenient.
3.Adjustable radial clearance and preload: By axially moving the inner ring, the radial clearance and preload can be adjusted, further optimizing the performance of the bearing.
4.Heat dissipation performance: The use of a solid brass cage helps with the heat dissipation of the bearing.
Product Sizes
Bearing model | inside diameter(mm) | outside diameter(mm) | width(mm) | weight(g) | |
NF336 | 180 | 380 | 75 | 44200 | |
NF338 | 190 | 400 | 78 | 49400 | |
NF340 | 200 | 420 | 80 | 55300 | |
NF344 | 220 | 460 | 88 | 73400 | |
NF348 | 240 | 500 | 95 | 93400 | |
NF352 | 260 | 540 | 102 | 117000 | |
NF356 | 280 | 580 | 108 | 142000 | |
NN3005 | 25 | 47 | 16 | 127 | |
NN3006 | 30 | 55 | 19 | 198 | |
NN3007 | 35 | 62 | 20 | 258 | |
NN3008 | 40 | 68 | 21 | 309 | |
NN3009 | 45 | 75 | 23 | 407 | |
NN3010 | 50 | 80 | 23 | 436 | |
NN3011 | 55 | 90 | 26 | 650 | |
NN3012 | 60 | 95 | 26 | 697 | |
NN3013 | 65 | 100 | 26 | 746 | |
NN3014 | 70 | 110 | 30 | 1070 | |
NN3015 | 75 | 115 | 30 | 1120 | |
NN3016 | 80 | 125 | 34 | 1550 | |
NN3017 | 85 | 130 | 34 | 1630 | |
NN3018 | 90 | 140 | 37 | 2090 | |
NN3019 | 95 | 145 | 37 | 2190 | |
NN3020 | 100 | 150 | 37 | 2280 | |
NN3021 | 105 | 160 | 41 | 2880 | |
NN3022 | 110 | 170 | 45 | 3710 | |
NN3024 | 120 | 180 | 46 | 4040 | |
NN3026 | 130 | 200 | 52 | 5880 | |
NN3028 | 140 | 210 | 53 | 6340 | |
NN3030 | 150 | 225 | 56 | 7770 | |
NN3032 | 160 | 240 | 60 | 9410 | |
NN3034 | 170 | 260 | 67 | 12800 | |
NN3036 | 180 | 280 | 74 | 16800 | |
NN3038 | 190 | 290 | 75 | 17800 | |
NN3040 | 200 | 310 | 82 | 22700 | |
NN3044 | 220 | 340 | 90 | 29600 | |
NN3048 | 240 | 360 | 92 | 32700 | |
NN3052 | 260 | 400 | 104 | 47700 | |
NN3056 | 280 | 420 | 106 | 51100 | |
NN3060 | 300 | 460 | 118 | 70700 | |
NN3064 | 320 | 480 | 121 | 76600 | |
NN3068 | 340 | 520 | 133 | 102000 | |
NN3072 | 360 | 540 | 134 | 107000 | |
NN3076 | 380 | 560 | 135 | 113000 | |
NN3080 | 400 | 600 | 148 | 146000 | |
NN3084 | 420 | 620 | 150 | 154000 | |
NN3088 | 440 | 650 | 157 | 178000 | |
NN3092 | 460 | 680 | 163 | 202000 | |
NN3096 | 480 | 700 | 165 | 200000 | |
NN3120 | 100 | 165 | 52 | 4380 | |
NN3122 | 110 | 180 | 56 | 5400 | |
NN3124 | 120 | 200 | 62 | 7720 | |
NN3128 | 140 | 225 | 68 | 10100 | |
NN3130 | 150 | 250 | 80 | 15400 | |
NN3132 | 160 | 270 | 86 | 19800 | |
NN3134 | 170 | 280 | 88 | 21100 | |
NN3138 | 180 | 320 | 104 | 33800 | |
NN3144 | 220 | 370 | 120 | 51900 | |
NN3148 | 240 | 400 | 128 | 64200 | |
NN3152 | 260 | 440 | 144 | 89100 | |
NN3156 | 260 | 440 | 144 | 89100 | |
NN3160 | 300 | 500 | 160 | 125000 | |
NN3176 | 380 | 620 | 194 | 224000 | |
NN3192 | 460 | 720 | 226 | 357000 | |
NN3196 | 480 | 790 | 248 | 447000 | |
NN3920 | 100 | 140 | 30 | 1320 | |
NN3921 | 105 | 145 | 30 | 1500 | |
NN3922 | 110 | 150 | 30 | 1410 | |
NN3924 | 120 | 165 | 34 | 2020 | |
NN3926 | 130 | 180 | 37 | 2590 | |
NN3928 | 140 | 190 | 37 | 2780 | |
NN3930 | 150 | 210 | 45 | 4470 | |
NN3932 | 160 | 220 | 45 | 5020 | |
NN3934 | 170 | 230 | 45 | 5010 | |
NN3936 | 180 | 250 | 52 | 7200 | |
NN3938 | 190 | 260 | 52 | 7460 | |
NN3940 | 200 | 280 | 60 | 10600 | |
NN3944 | 220 | 300 | 60 | 11400 | |
NN3948 | 240 | 320 | 60 | 12200 | |
NN3952 | 260 | 360 | 75 | 21400 | |
NN3956 | 280 | 380 | 75 | 22700 | |
NN3968 | 340 | 460 | 90 | 42900 | |
NN3972 | 360 | 480 | 90 | 44900 | |
NN3980 | 400 | 540 | 106 | 68700 | |
NN3984 | 420 | 560 | 106 | 71200 | |
NN3992 | 460 | 620 | 118 | 94500 | |
NN4032 | 160 | 240 | 80 | 12700 | |
NN4038 | 190 | 290 | 100 | 24000 | |
NN4040 | 200 | 310 | 109 | 30400 | |
NN4044 | 220 | 340 | 118 | 39800 | |
NN4048 | 240 | 360 | 118 | 39300 | |
NN4052 | 260 | 400 | 140 | 59700 | |
NN4060 | 300 | 460 | 160 | 97600 | |
NN4072 | 360 | 540 | 180 | 132000 | |
NN4076 | 380 | 560 | 180 | 142000 | |
NN4084 | 420 | 620 | 200 | 189000 | |
NN4132 | 160 | 270 | 109 | 25000 | |
NN4826 | 130 | 165 | 35 | 1820 | |
NN4830 | 150 | 190 | 40 | 2750 | |
NN4832 | 160 | 200 | 40 | 2950 | |
NN4836 | 180 | 225 | 45 | 4150 | |
NN4848 | 240 | 300 | 60 | 9770 | |
NN4856 | 280 | 350 | 69 | 15300 | |
NN4920 | 100 | 140 | 40 | 1750 | |
NN4921 | 105 | 145 | 40 | 1820 | |
NN4922 | 110 | 150 | 40 | 1900 | |
NN4924 | 120 | 165 | 45 | 2630 | |
NN4926 | 130 | 180 | 50 | 3520 | |
NN4928 | 140 | 190 | 50 | 3760 | |
NN4930 | 150 | 210 | 60 | 5900 | |
NN4932 | 160 | 220 | 60 | 6240 | |
NN4934 | 170 | 230 | 60 | 6560 | |
NN4936 | 180 | 250 | 69 | 9450 | |
NN4938 | 190 | 260 | 69 | 9930 | |
NN4940 | 200 | 280 | 80 | 14000 | |
NN4944 | 220 | 300 | 80 | 15200 | |
NN4948 | 240 | 320 | 80 | 16400 | |
NN4952 | 260 | 360 | 100 | 28300 | |
NN4956 | 280 | 380 | 100 | 30200 | |
NN4960 | 300 | 420 | 118 | 46400 | |
NN4964 | 320 | 440 | 118 | 49000 | |
NN4968 | 340 | 460 | 118 | 52100 | |
NN4976 | 380 | 520 | 140 | 81300 | |
NN4980 | 400 | 540 | 140 | 84100 | |
NN4984 | 420 | 560 | 140 | 87900 |