NA49 needle roller bearing with inner ring catalogue list
| Dimension | Load Ratings | Limiting speed | ||||||
| SPEC.1 | d | F | D | B | r | C | C0 | Oil |
| NA4822 | 110 | 120 | 140 | 30 | 1 | 94000 | 216000 | 3900 |
| NA4824 | 120 | 130 | 150 | 30 | 1 | 99000 | 239000 | 3600 |
| NA4826 | 130 | 145 | 165 | 35 | 1.1 | 118000 | 310000 | 3200 |
| NA4828 | 140 | 155 | 175 | 35 | 1.1 | 120000 | 325000 | 3000 |
| NA4830 | 150 | 165 | 190 | 40 | 1.1 | 152000 | 400000 | 2800 |
| NA4832 | 160 | 175 | 200 | 40 | 1.1 | 160000 | 435000 | 2700 |
| NA4834 | 170 | 185 | 215 | 45 | 1.1 | 185000 | 510000 | 2500 |
| NA4836 | 180 | 195 | 225 | 45 | 1.1 | 194000 | 550000 | 2400 |
| NA4838 | 190 | 210 | 240 | 50 | 1.5 | 227000 | 690000 | 2300 |
| NA4844 | 220 | 240 | 270 | 50 | 1.5 | 243000 | 790000 | 2000 |
| NA4848 | 240 | 265 | 300 | 60 | 2 | 355000 | 1080000 | 1800 |
| NA4852 | 260 | 285 | 320 | 60 | 2 | 370000 | 1160000 | 1700 |
| NA4856 | 280 | 305 | 350 | 69 | 2 | 450000 | 1300000 | 1500 |
| NA4860 | 300 | 330 | 380 | 80 | 2.1 | 620000 | 1770000 | 1400 |
| NA4864 | 320 | 350 | 400 | 80 | 2.1 | 630000 | 1850000 | 1300 |
| NA4868 | 340 | 370 | 420 | 80 | 2.1 | 640000 | 1940000 | 1300 |
| NA4872 | 360 | 390 | 440 | 80 | 2.1 | 660000 | 2020000 | 1200 |
| NA4876 | 380 | 415 | 480 | 100 | 2.1 | 100000 | 2900000 | 1100 |
| NA49/22 | 22 | 28 | 39 | 17 | 0.3 | 22800 | 29500 | 15000 |
| NA49/28 | 28 | 32 | 45 | 17 | 0.3 | 24400 | 33500 | 14000 |
| NA49/32 | 32 | 40 | 52 | 20 | 0.6 | 30500 | 47500 | 11000 |
| NA4900 | 10 | 14 | 22 | 13 | 0.3 | 8500 | 9200 | 25000 |
| NA4901 | 12 | 16 | 24 | 13 | 0.3 | 9400 | 10900 | 23000 |
| NA4902 | 15 | 20 | 28 | 13 | 0.3 | 10600 | 13600 | 21000 |
| NA4903 | 17 | 22 | 30 | 13 | 0.3 | 11000 | 14600 | 20000 |
| NA4904 | 20 | 25 | 37 | 17 | 0.3 | 21000 | 25500 | 17000 |
| NA4905 | 25 | 30 | 42 | 17 | 0.3 | 23600 | 31500 | 14000 |
| NA4906 | 30 | 35 | 47 | 17 | 0.3 | 25000 | 35500 | 13000 |
| NA4907 | 35 | 42 | 55 | 20 | 0.6 | 31500 | 50000 | 11000 |
| NA4908 | 40 | 48 | 62 | 22 | 0.6 | 43000 | 67000 | 9000 |
| NA4909 | 45 | 52 | 68 | 22 | 0.6 | 45000 | 73000 | 8500 |
| NA4910 | 50 | 58 | 72 | 22 | 0.6 | 47000 | 80000 | 8000 |
| NA4911 | 55 | 63 | 80 | 25 | 1 | 58000 | 100000 | 7000 |
| NA4912 | 60 | 68 | 85 | 25 | 1 | 60000 | 108000 | 6500 |
| NA4913 | 65 | 72 | 90 | 25 | 1 | 61000 | 112000 | 6500 |
| NA4914 | 70 | 80 | 100 | 30 | 1 | 84000 | 156000 | 5500 |
| NA4915 | 75 | 85 | 105 | 30 | 1 | 86000 | 162000 | 5500 |
| NA4916 | 80 | 90 | 110 | 30 | 1 | 89000 | 174000 | 5000 |
| NA4917 | 85 | 100 | 120 | 35 | 1.1 | 111000 | 237000 | 4600 |
| NA4918 | 90 | 105 | 125 | 35 | 1.1 | 114000 | 250000 | 4400 |
| NA4919 | 95 | 110 | 130 | 35 | 1.1 | 116000 | 260000 | 4200 |
| NA4920 | 100 | 115 | 140 | 40 | 1.1 | 128000 | 270000 | 4000 |
| NA4922 | 110 | 125 | 150 | 40 | 1.1 | 132000 | 290000 | 3700 |
| NA4924 | 120 | 135 | 165 | 45 | 1.1 | 181000 | 390000 | 3400 |
| NA4926 | 130 | 150 | 180 | 50 | 1.5 | 203000 | 470000 | 3100 |
| NA4928 | 140 | 160 | 190 | 50 | 1.5 | 209000 | 500000 | 2900 |
| NA4940 | 200 | 220 | 250 | 50 | 1.5 | 230000 | 720000 | 2200 |
Findbearing.com supplies high quality NA49 needle roller bearing with inner ring.
Note:
– Entity bushed needle roller bearing is a kind of high capacity bearing with small sectional height.
– It can operate flexibly even with the light alloy bearing seat due to the high hardness of the outer ring.
– NA49 series is the needle roller bearing with inner ring.
– Permissible operating temperature: 120 centigrade, 150 centigrade for temporary use, 180 centigrade for short time only.
– For grease lubricant, the permissible value should be 60% of those in the list.
You might also be interested in our other products:
CR-R | CR-UUR | CR-VR | CR-VUUR | CR-VBR | CR-VBUUR | CRH-VUU | CRH-VBUU
Cylindrical roller bearing | Combined-bearing | Bearing unit | Split housing
