https://whjbearing.com DALIAN MOTION ENGINEERING CO.,LTD.. Mon, 17 Nov 2025 03:44:26 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.5 https://whjbearing.com/wp-content/uploads/2025/10/cropped-LOGO3-32x32.jpg https://whjbearing.com 32 32 https://whjbearing.com/product/double-row-cylindrical-roller-bearing/ Wed, 12 Nov 2025 11:33:36 +0000 https://whjbearing.com/?post_type=product&p=2939  (mm) (kN) (rpm) Boundary   Dimensions Basic Load Ratings Bearing Code Speed Ratings d D B/C r1.2min r3.4min Cr Cor Cylindrical bore  Tapered bore 100 140 30 1.1 1.1 106 182 6300 NN3920 NN3920K 140 40 1.1 1.1 128 255 6300 NNU4920 NNU4920K 140 40 1.1 1.1 128 255 6300 NN4920 NN4920K 140 70/40 1.1 1.1 128 255 4800 NNUB4920-70 – 140 80/40 1.1 1.1 128 255 4800 NNUB4920-80 – 150 37 1.5 1.5 151 250 6000 NN3020 NN3020K 165 52 1.1 1.1 234 360 3600 NN3120 – 165 52 2 2 234 360 3600 NNU3120 – 165 65 2 2 358 570 3600 NNU4120 NNU4120K30 105 145 40 1.1 1.1 130 260 6000 NNU4921 NNU4921K 145 40 1.1 1.1 130 260 6000 NN4921 – 160 41 2 2 190 305 5600 NNU3021 NNU3021K 160 41 2 2 190 305 5600 NN3021 NN3021K 175 69 2 2 413 670 3400 NNU4121 NNU4121K30 110 150 30 1.1 1.1 114 207 6000 NN3922 NN3922K 150 40 1.1 1.1 132 270 6000 NNU4922 NNU4922K 150 40 1.1 1.1 132 270 6000 NN4922 NN4922K 150 55/40 1.1 1.1 132 270 4500 NNUB4922 – 170 45 2 2 220 360 5300 NN3022 NN3022K 170 45 2 2 220 360 5300 NNU3022 – 180 56 1.1 1.1 290 450 3200 NN3122 – 180 69 2 2 418 710 3200 NNU4122 NNU4122K30 120 165 34 1.1 1.1 138 251 5300 NN3924 NN3924K 165 45 1.1 1.1 176 340 5300 NNU4924 NNU4924K 165 45 1.1 1.1 176 340 5300 NN4924 NN4924K 180 46 2 2 229 390 5000 NN3024 NN3024K 120 180 46 2 2 229 390 5000 NNU3024 – 200 62 2 2 355 550 3000 NN3124 NN3124K 200 80 2 2 523 865 3000 NNU4124 NNU4124K30 215 130/100 2×60° 1.1 704 1120 2200 NNUB4224X2-130 – 130 165 35 1 1 107 238 5000 NN4826 – 180 37 1.5 1.5 173 325 4800 NN3926 NN3926K 180 50 1.5 1.5 187 390 4800 NNU4926 NNU4926K 180 50 1.5 1.5 187 390 4800 NN4926 NN4926K 200 52 1.1 2 284 475 4500 NN3026 NN3026K 200 52 2 2 284 475 4500 NNU3026 NNU3026K 210 64 2 2 360 580 2800 NNU3126 – 210 80 2 1.1 561 965 2800 NNU4126 NNU4126K30 140 190 37 1.5 1.5 201 375 4500 NN3928 NN3928K 190 50 1.5 1.5 190 400 4500 NNU4928 NNU4928K 190 50 1.5 1.5 190 400 4500 NN4928 NN4928K 210 53 2 2 297 520 4300 NN3028 NN3028K 210 53 2 2 297 520 4300 NNU3028 – 225 68 2.1 2.1 400 650 2600 NN3128 – 225 68 2.1 2.1 400 650 2600 NNU3128 – 225 85 2.1 2.1 627 1040 2600 NNU4128 NNU4128K30 150 190 40 1.1 1.1 194 450 4500 NN4830 NN4830K 210 45 2 2 262 490 4300 NN3930 NN3930K 210 60 2 2 330 655 4300 NNU4930 NNU4930K 210 60 2 2 330 655 4300 NN4930 NN4930K 225 56 2.1 2.1 330 570 4000 NN3030 NN3030K 225 56 2.1 2.1 330 570 4000 NNU3030 – 150 250 80 2.1 2.1 535 860 2400 NN3130 – 250 100 2.1 2.1 748 1290 2400 NNU4130 NNU4130K30 160 200 40 1 1 150 355 4000 NN4832 – 220 45 2 2 271 520 4000 NN3932 NN3932K 220 60 2 2 330 680 4000 NNU4932 NNU4932K 220 60 2 2 330 680 4000 NN4932 NN4932K 240 60 2.1 2.1 369 655 3800 NN3032 NN3032K 240 60 2.1 2.1 369 655 3800 NNU3032 – 240 80 2.1 2.1 510 985 3800 NN4032 NN4032K 240 80 2.1 2.1 510 985 3800 NNU4032 – 270 86 2.1 2.1 620 1000 2200 NN3132 – 270 109 2.1 2.1 935 1530 2200 NNU4132 NNU4132K30 170 230 45 2 2 280 550 3800 NN3934 NN3934K 230 60 2 2 336 695 3800 NNU4934 NNU4934K 230 60 2 2 336 695 3800 NN4934 NN4934K 230 80 2 2 550 1180 2800 NNU5934 – 260 67 2.1 2.1 450 805 3400 NN3034 NN3034K 260 67 2.1 2.1 450 805 3400 NNU3034 NNU3034K 280 88 2.1 2.1 635 1050 2000 NN3134 – 280 88 2.1 2.1 635 1050 2000 NNU3134 – 280 109 2.1 2.1 968 1630 2000 NNU4134 NNU4134K30 180 225 45 1 1 225 535 2200 NN4836 – 250 52 2 2 340 655 3400 NN3936 NN3936K 250 69 2 2 402 850 3400 NNU4936 NNU4936K 250 69 2 2 402 850 3400 NN4936 NN4936K 280 74 2.1 2.1 561 1000 3200 NN3036 NN3036K 180 280 74 2.1 2.1 561 1000 3200 NNU3036 – 300 118 3 3 1080 1830 1900 NNU4136 NNU4136K30 320 104 3 3 840 1420 1800 NN3138 – 190 260 69 2 2 402 880 3200 NNU4938 NNU4938K 290 75 2.1 2.1 594 1080 3000 NNU3038 – 290 75 2.1 2.1 594 1080 3000 NN3038 NN3038K 290 100 2.1 2.1 825 1640 3000 NN4038 – 320 128 3 3 1320 2200 1800 NNU4138 NNU4138K30 200 250 50 1.5 1.5 242 600 2400 NNU4840 NNU4840K 280 60 2.1 2.1 420 815 3000 NN3940 NN3940K 280 80 2.1 2.1 484 1040 3000 NNU4940 NNU4940K 280 80 2.1 2.1 484 1040 3000 NN4940 NN4940K 310 82 2.1 2.1 644 1140 2000 NN3040 NN3040K 310 82 2.1 2.1 644 1140 2000 NNU3040 NNU3040K 310 109 2.1 2.1 890 1730 2000 NN4040 NN4040K 310 115 2.1 2.1 1010 1860 2000 NNU4040X2 – 340 140 3 3 1470 2550 1700 NNU4140 NNU4140K30 220 300 60 2.1 2.1 440 895 2800 NN3944 NN3944K 300 80 2.1 2.1 512 1140 2800 NNU4944 NNU4944K 300 80 2.1 2.1 512 1140 2800 NN4944 NN4944K 300 100 2.1 2.1 897 1930 2200 NNU5944X2 – 340 90 3 3 809 1460 2600 NN3044 NN3044K 340 90 3 3 809 1460 2600 NNU3044 – 340 118 3 3 1190 2400 2600 NN4044 NN4044K 370 120 4 4 1050 1810 1500 NN3144 – 370 120 4 4 1050 1810 1500 NNU3144 – 370 150 4 4 1650 2900 1500 NNU4144 NNU4144K30 240 300 60 2 2 358 930 2200 NNU4848 NNU4848K 300 60 1.1 1.1 358 930 2200 NN4848 – 320 60 2.1 2.1 460 975 2600 NN3948 NN3948K 320 80 2.1 2.1 528 1220 2600 NNU4948 NNU4948K 320 80 2.1 2.1 528 1220 2600 NN4948 NN4948K 320 100 2.1 2.1 880 1960 1400 NNU5948X2 – 360 92 3 3 842 1560 2400 NN3048 NN3048K 360 92 3 3 842 1560 2400 NNU3048 NNU3048K 360 118 3 3 1240 2600 2400 NN4048 NN4048K 360 118 3 3 1240 2600 2400 NNU4048 – 400 128 4 4 1170 2040 1400 NN3148 NN3148K 400 160 4 4 1980 3650 1400 NNU4148 NNU4148K30 260 360 75 2.1 2.1 670 1380 2400 NN3952 NN3952K 360 100 2.1 2.1 748 1700 2400 NNU4952 NNU4952K 360 100 2.1 2.1 748 1700 2400 NN4952 NN4952K 360 102 2.1 2.1 990 2200 1800 NNU4952X2 – 400 104 4 4 1020 1930 2200 NNU3052 NN3052K 400 104 4 4 1030 1920 2200 NN3052 NN3052K 400 140 4 4 1550 3150 1500 NNU4052 NNU4052K 400 140 4 4 1550 3150 1500 NN4052 NN4052K 440 144 4 4 1480 2660 1300 NN3152 NN3152K 440 180 4 4 2200 3900 1300 NNU4152 NNU4152K30 280 350 69 2 2 445 1160 1700 NNU4856 NNU4856K 350 69 1.1 1.1 445 1160 1700 NN4856 – 380 75 2.1 2.1 695 1460 2200 NN3956 NN3956K 380 100 2.1 2.1 765 1800 2200 NNU4956 NNU4956K 380 100 2.1 2.1 765 1800 1600 NNUP4956 – 280 380 100 2.1 2.1 765 1800 1600 NN4956 NN4956K 420 106 4 4 1080 2080 2000 NN3056 NN3056K 420 106 4 4 1080 2080 2000 NNU3056 – 420 140 4 4 1650 3150 1400 NNU4056 NNU4056K 460 146 5 5 1520 2790 1200 NN3156 NN3156K 460 180 5 5 2550 4750 1200 NNU4156 NNU4156K30 300 380 80 2.1 2.1 583 1560 1600 NNU4860 NNU4860K 420 118 3 3 1020 2360 2000 NNU4960 NNU4960K 420 118 3 3 1020 2360 2000 NN4960 NN4960K 420 150 1.5 1.5 1870 4500 1600 NNU5960X2 – 460 118 4 4 1250 2400 1900 NN3060 NN3060K 460 160 4 4 1920 4100 1300 NNU4060 NNU4060K 460 160 4 4 1920 4100 1300 NN4060 NN4060K 500 160 5 5 1760 3150 1100 NN3160 NN3160K 500 160 5 5 1760 3150 1100 NNU3160 – 500 200 5 5 2860 5300 1100 NNU4160 NNU4160K30 320 400 80 2.1 2.1 765 2080 1500 NNU4864 NNU4864K 440 118 3 3 1060 2500 1400 NNU4964 NNU4964K 440 118 3 3 1060 2500 1400 NNUP4964 – 440 118 3 3 1060 2500 1400 NN4964 NN4964K 480 121 4 4 1320 2600 1800 NN3064 NN3064K 480 121 4 4 1320 2600 1800 NNU3064 NNU3064K 480 160 4 4 2120 4300 1200 NNU4064 NNU4064K 320 480 175 1.5 1.5 2460 5400 1200 NNU4064X2 – 540 176 5 5 2090 3750 1000 NNU3164 NNU3164K 540 218 5 5 3410 6200 1000 NNU4164 NNU4164K30 340 420 80 2.1 2.1 644 1830 1400 NNU4868 NNU4868K 420 80 2.1 2.1 644 1830 1400 NNUP4868 – 460 90 3 3 905 2020 1700 NN3968 NN3968K 460 118 3 3 1100 2650 1700 NNU4968 NNU4968K 460 118 3 3 1100 2650 1700 NN4968 NN4968K 520 133 5 5 1670 3300 1600 NN3068 NN3068K 340 520 133 5 5 1670 3300 1600 NNU3068 – 520 180 5 5 2550 5100 1100 NNU4068 NNU4068K 520 305/200 5 5 3300 7100 1100 NNUB4068X2-305 – 580 243 5 5 4020 7500 950 NNU4168 NNU4168K30 360 480 90 3 3 930 2130 1700 NN3972 – 480 118 3 3 1120 2800 1700 NNU4972 NNU4972K 540 134 5 5 1720 3450 1500 NN3072 NN3072K 540 134 5 5 1700 3450 1500 NNU3072 – 540 180 5 5 2530 5450 1100 NNU4072 NNU4072K 540 180 5 5 2530 5450 1100 NN4072 NN4072K 600 243 5 5 4290 8500 900 NNU4172 NNU4172K30 380 480 100 2.1 2.1 952 2550 1200 NNU4876 NNU4876K 520 140 4 4 1450 3600 1500 NNU4976 NNU4976K 520 140 4 4 1450 3600 1500 NN4976 NN4976K 560 135 5 5 1680 3450 1500 NN3076 NN3076K 560 180 5 5 2650 6200 1000 NNU4076 NNU4076K 560 180 5 5 2650 6200 1000 NN4076 NN4076K 620 194 5 5 2620 4950 850 NN3176 NN3176K 620 243 5 5 4290 8500 850 NNU4176 NNU4176K30 400 500 100 2.1 2.1 968 2750 1200 NNU4880 NNU4880K 400 500 100 2.1 2.1 968 2750 1200 NNUP4880 – 540 106 4 4 1290 2890 1500 NN3980 – 540 140 4 4 1470 3800 1500 NNU4980 NNU4980K 540 140 4 4 1470 3800 1500 NN4980 NN4980K 600 148 5 5 2160 4500 1400 NN3080 NN3080K 600 200 5 5 3470 7200 950 NNU4080 NNU4080K 650 250 6 6 4730 9500 800 NNU4180 NNU4180K30 420 520 100 2.1 2.1 990 2850 1000 NNU4884 NNU4884K 560 106 4 4 1280 2900 900 NN3984 – 560 140 4 4 1510 4000 1400 NNU4984 NNU4984K 560 140 4 4 1510 4000 1400 NN4984 NN4984K 620 150 5 5 2120 4500 1300 NN3084 NN3084K 620 150 5 5 2120 4500 1300 NNU3084 NNU3084K 620 200 5 5 3150 7100 900 NNU4084 NNU4084K 620 200 5 5 3150 7100 900 NN4084 NN4084K 620 260 6 6 4290 10200 900 NNUP5084X2 – 650 200 6 6 2770 5400 800 NNU3184 – 700 280 6 6 5500 11400 750 NNU4184 NNU4184K30 440 540 100 2.1 2.1 1010 2900 1000 NNU4888 NNU4888K 600 160 4 4 2050 5200 1300 NNU4988 NNU4988K 650 157 6 6 2360 4900 1200 NN3088 NN3088K 650 157 6 6 2360 4900 1200 NNU3088 – 650 212 6 6 3910 8300 850 NNU4088 NNU4088K 700 224 6 6 3550 6800 800 NNU3184 – 720 280 6 6 5720 11800 700 NNU4188 NNU4188K30 460 580 118 3 3 1190 3250 1000 NNU4892 NNU4892K 620 118 4 4 1610 3700 1200 NN3992 NN3992K 460 620 160 4 4 2090 5500 1200 NNU4992 NNU4992K 680 163 6 6 2600 5500 1200 – NN3092K 680 218 6 6 4290 9000 800 NNU4092 NNU4092K 720 226 6 6 3500 6800 750 NN3192 NN3192K 760 300 7.5 7.5 6440 13200 670 NNU4192 NNU4192K30 480 650 170 5 5 2330 6100 1200 NNU4996 NNU4996K 650 170 5 5 2330 6100 1200 NN4996 NN4996K 700 165 6 6 2700 5850 1100 NN3096 NN3096K 700 218 6 6 4400 9650 750 NNU4096 NNU4096K 700 260 6 6 5390 12500 750 NNU5096X2 – 790 248 7.5 7.5 4050 8100 630 NN3196 NN3196K 790 308 7.5 7.5 7040 14300 630 NNU4196 NNU4196K30 500 670 170 5 5 2330 6100 1100 NNU49/500 NNU49/500K 700 170 5 5 2700 5400 800 NN49/500X1 – 720 167 6 6 2580 5600 1100 NN30/500 NN30/500K 720 167 6 6 2580 5600 1100 NNU30/500 – 720 218 6 6 4460 10000 750 NNU40/500 NNU40/500K 830 325 7.5 7.5 7480 15000 600 NNU41/500 NNU41/500K30 530 710 136 5 5 2040 4900 1000 NNU39/500 – 710 180 5 5 2860 7800 1000 NNU49/530 NNU49/530K 710 180 5 5 2860 7800 1000 NN49/530 NN49/530K 780 185 6 6 3200 6900 1000 NN30/530 NN30/530K 780 185 6 6 3200 6900 1000 NNU30/530 NNU30/530K 780 250 6 6 5500 12200 670 NNU40/530 NNU40/530K 870 335 7.5 7.5 7810 16000 560 NNU41/530 NNU41/530K30 560 750 190 5 5 3190 8650 950 NNU49/560 NNU49/560K 820 195 6 6 3690 8000 900 NN30/560 NN30/560K 560 820 258 6 6 4100 10600 630 NNU40/560 NNU40/560K 820 258 6 6 4100 10600 630 NN40/560 – 920 280 7.5 7.5 6850 13700 530 NNU31/560 – 920 355 7.5 7.5 8800 18300 530 NNU41/560 NNU41/560K30 600 800 200 5 5 3580 10200 900 NNU49/600 NNU49/600K 870 200 6 6 3800 8650 850 NN30/600 NN30/600K 870 272 6 6 6820 15600 600 NNU40/600 NNU40/600K 980 375 7.5 7.5 9900 21100 480 NNU41/600 NNU41/600K30 630 780 150 4 4 2290 7000 800 NNU48/630 – 850 218 6 6 4020 11400 850 NNU49/630 NNU49/630K 850 218 6 6 4020 11400 850 NN49/630 NN49/630K 920 212 7.5 7.5 4290 9800 800 NN30/630 NN30/630K 920 290 7.5 7.5 7650 17500 560 NNU40/630 NNU40/630K 1030 400 7.5 7.5 11000 24000 450 NNU41/630 NNU41/630K30 670 900 230 6 6 4150 11500 800 NNU49/670 NNU49/670K 900 230 6 6 4150 11500 800 NN49/670 – 980 230 7.5 7.5 5010 11400 750 NN30/670 NN30/670K 980 308 7.5 7.5 8420 19600 500 NNU40/670 NNU40/670K 1090 412 7.5 7.5 12100 25500 430 NNU41/670 NNU41/670K30 710 870 160 4 4 2640 8350 750 NNU48/710 – 950 243 6 6 5390 15300 700 NNU49/710 NNU49/710K 1030 236 7.5 7.5 5720 13200 670 NN30/710 NN30/710K 1030 315 7.5 7.5 9350 21600 480 NNU40/710 NNU40/710K 1150 438 9.5 9.5 13400 28500 380 NNU41/710 NNU41/710K30 750 920 170 5 5 3410 10200 550 NN48/750 NN48/750K 1000 250 6 6 5500 16000 670 NNU49/750 NNU49/750K 1090 250 7.5 7.5 7040 16000 630 NN30/750 NN30/750K 750 1090 335 7.5 7.5 10200 24000 430 NNU40/750 NNU40/750K 1220 475 9.5 9.5 16100 35500 360 NNU41/750 NNU41/750K30 800 1060 258 6 6 5830 17000 380 NNU49/800 NNU49/800K 1150 258 7.5 7.5 7810 18000 360 NN30/800 NN30/800K 1150 345 7.5 7.5 10800 26000 360 NNU40/800 NNU40/800K 1280 475 9.5 9.5 16500 36500 340 NNU41/800 NNU41/800K30 850 1030 180 5 5 3400 11400 370 NNU48/850 – 1120 272 6 6 5940 18000 360 NNU49/850 NNU49/850K 1220 272 7.5 7.5 7920 18600 340 NN30/850 NN30/850K 1220 365 7.5 7.5 11700 28500 340 NNU40/850 NNU40/850K 900 1180 280 6 6 6600 20000 340 NNU49/900 NNU49/900K 1280 280 7.5 7.5 8250 20000 320 NN30/900 NN30/900K 1280 375 7.5 7.5 12800 31500 320 NNU40/900 NNU40/900K 950 1250 300 7.5 7.5 7370 22400 320 NNU49/950 NNU49/950K 1360 300 7.5 7.5 9130 22400 310 NN30/950 NN30/950K 1360 412 7.5 7.5 14200 35500 310 NNU40/950 NNU40/950K 1000 1320 315 7.5 7.5 8580 26000 300 NNU49/1000 NNU49/1000K 1320 315 7.5 7.5 8580 26000 300 NN49/1000 NN49/1000K 1420 308 7.5 7.5 10100 24500 290 NN30/1000 NN30/1000K 1420 412 7.5 7.5 15400 38000 290 NNU40/1000 NNU40/1000K 1060 1400 335 7.5 7.5 10500 30500 290 NNU49/1060 NNU49/1060K 1500 325 9.5 9.5 11000 27500 290 NN30/1060 NN30/1060K 1120 1460 335 7.5 7.5 10500 31500 270 NNU49/1120 NNU49/1120K 1180 1540 355 7.5 7.5 11900 36000 260 NNU49/1180 NNU49/1180K 1320 1720 400 7.5 7.5 13800 42500 230 NNU49/1320 NNU49/1320K 1720 400 7.5 7.5 13800 42500 230 NN49/1320 NN49/1320K ]]>