RNA49 Series:
RNA4900,RNA4901,RNA4902,RNA4903,RNA4904,RNA4905,RNA4906,RNA4907,RNA4908,RNA4909,RNA4910,RNA4911,RNA4912,RNA4913,RNA4914,RNA4915,RNA4916,RNA4917,RNA4918,RNA4919,RNA4920
NA69 Series:
NA6900,NA6901,NA6902,NA6903,NA6904,NA6905,NA6906,NA6907,NA6908,NA6909,NA6910,NA6911,NA6912,NA6913,NA6914,NA6915,NA6916,NA6917,NA6918,NA6919,NA6920
NA59 Series:
NA5901,NA5902,NA5903,NA5904,NA5905,NA5906,NA5907,NA5908,NA5909,NA5910
NA48 Series:
NA4801,NA4802,NA4803,NA4804,NA4805,NA4806,NA4807,NA4808,NA4809,NA4810
Description
NA NK NKI NKIS Needle roller bearings are consisted of outer ring, inner ring, needle and cages, are one of the most widely used needle bearings. It mainly used on automobiles, machinery tool, printing machinery, textile machinery etc.
Technical Parameter
| Shaft Dia. | Model No. | D | C | rsmin | Da max | Dyn. C | Sta. C | Rotation Speed rpm | Weight |
| 5 | RNA493 | 11 | 10 | 0.15 | 9.8 | 2420 | 1950 | 80 000 | 4.6 |
| 6 | RNA494 | 12 | 10 | 0.15 | 10.8 | 2700 | 2320 | 70 000 | 5.3 |
| 7 | RNA495 | 13 | 10 | 0.15 | 11.8 | 2960 | 2690 | 60 000 | 5.9 |
| 8 | RNA496 | 15 | 10 | 0.15 | 13.8 | 3960 | 3420 | 50 000 | 7.4 |
| 9 | RNA497 | 17 | 10 | 0.15 | 15.8 | 4530 | 3650 | 45 000 | 9.3 |
| 10 | RNA498 | 19 | 11 | 0.2 | 17.4 | 6180 | 5030 | 40 000 | 12.6 |
| 12 | RNA499 | 20 | 11 | 0.3 | 18 | 6600 | 6310 | 35 000 | 13.6 |
| 14 | RNA4900 | 22 | 13 | 0.3 | 20 | 9230 | 10100 | 30 000 | 16.5 |
| 16 | RNA4901 | 24 | 13 | 0.3 | 22 | 9660 | 11100 | 25 000 | 18.1 |
| 16 | RNA6901 | 24 | 22 | 0.3 | 22 | 17100 | 23000 | 25 000 | 30 |
| 18 | RNA49/14 | 26 | 13 | 0.3 | 24 | 10600 | 12800 | 20 000 | 19.9 |
| 20 | RNA4902 | 28 | 13 | 0.3 | 26 | 10900 | 13800 | 20 000 | 21.5 |
| 20 | RNA6902 | 28 | 23 | 0.3 | 26 | 19300 | 28800 | 20 000 | 37 |
| 22 | RNA4903 | 30 | 13 | 0.3 | 28 | 11700 | 15600 | 18 000 | 23.5 |
| 22 | RNA6903 | 30 | 23 | 0.3 | 28 | 20800 | 32500 | 18 000 | 40.5 |
| 25 | RNA4904 | 37 | 17 | 0.3 | 35 | 21000 | 25000 | 16 000 | 55.5 |
| 25 | RNA6904 | 37 | 30 | 0.3 | 35 | 35400 | 48900 | 16 000 | 95.5 |
| 28 | RNA49/22 | 39 | 17 | 0.3 | 37 | 21400 | 28900 | 14 000 | 56.5 |
| 28 | RNA69/22 | 39 | 30 | 0.3 | 37 | 36300 | 56900 | 14 000 | 97.5 |
| 30 | RNA4905 | 42 | 17 | 0.3 | 40 | 23700 | 30700 | 13 000 | 64 |
| 30 | RNA6905 | 42 | 30 | 0.3 | 40 | 42100 | 64300 | 13 000 | 111 |
| 32 | RNA 49/28 | 45 | 17 | 0.3 | 43 | 24500 | 32700 | 12 000 | 76.5 |
| 32 | RNA 69/28 | 45 | 30 | 0.3 | 43 | 41800 | 64800 | 12 000 | 133 |
| 35 | RNA 4906 | 47 | 17 | 0.3 | 45 | 25200 | 34700 | 11 000 | 72.5 |
| 35 | RNA 6906 | 47 | 30 | 0.3 | 45 | 43000 | 69000 | 11 000 | 125 |
| 40 | RNA 49/32 | 52 | 20 | 0.6 | 48 | 31200 | 47800 | 10 000 | 96 |
| 40 | RNA 69/32 | 52 | 36 | 0.6 | 48 | 53500 | 95700 | 10 000 | 172 |
| 42 | RNA 4907 | 55 | 20 | 0.6 | 51 | 32000 | 50100 | 9 500 | 113 |
| 42 | RNA 6907 | 55 | 36 | 0.6 | 51 | 54900 | 100000 | 9 500 | 200 |
| 45 | RNA 49/38 | 58 | 20 | 0.6 | 54 | 33600 | 54600 | 9 000 | 120 |
| 48 | RNA4908 | 62 | 22 | 0.6 | 58 | 41600 | 67400 | 8 500 | 152 |
| 48 | RNA6908 | 62 | 40 | 0.6 | 58 | 71300 | 135000 | 8 500 | 275 |
| 50 | RNA49/42 | 65 | 22 | 0.6 | 61 | 42500 | 70300 | 8 000 | 174 |
| 52 | RNA4909 | 68 | 22 | 0.6 | 64 | 43500 | 73300 | 7 500 | 197 |
| 52 | RNA6909 | 68 | 40 | 0.6 | 64 | 74600 | 147000 | 7 500 | 355 |
| 55 | RNA49/48 | 70 | 22 | 0.6 | 66 | 44300 | 76300 | 7 500 | 188 |
| 58 | RNA4910 | 72 | 22 | 0.6 | 68 | 46200 | 82100 | 7 000 | 179 |
| 58 | RNA6910 | 72 | 40 | 0.6 | 68 | 79200 | 164000 | 7 000 | 320 |
| 60 | RNA49/52 | 75 | 22 | 0.6 | 71 | 47100 | 85100 | 6 500 | 205 |
| 63 | RNA4911 | 80 | 25 | 1 | 75 | 57600 | 97200 | 6 500 | 265 |
| 63 | RNA6911 | 80 | 45 | 1 | 75 | 98700 | 194000 | 6 500 | 475 |
| 65 | RNA49/58 | 82 | 25 | 1 | 77 | 58900 | 101000 | 6 000 | 275 |
| 68 | RNA4912 | 85 | 25 | 1 | 80 | 60200 | 105000 | 6 000 | 285 |
| 68 | RNA6912 | 85 | 45 | 1 | 80 | 103000 | 211000 | 6 000 | 510 |
