
单列滚针轴承圆柱滚子的直径相对于长度较小。 由于滚子数量很多,轴承的承载能力很大。 外圈包含两个非分离型的闭合环,用作挡边来轴向引导轴承。
| 型号 | 主要尺寸及数据 | 其他数据 | |||||||
| d | D | B | r1,2 min | m | Cr | Cor | nB | nG | |
| ${modelt1.unit} | mm | kg | kN | r/min | |||||
| NKI25/20TN | 25 | 38 | 20 | 0.3 | 0.08 | 24.6 | 42.5 | 14000 | 15000 |
| NKI25/30 | 25 | 38 | 30 | 0.3 | 0.12 | 31.9 | 60 | 14000 | 15000 |
| NA4905 | 25 | 42 | 17 | 0.3 | 0.088 | 24.2 | 34.5 | 13000 | 15000 |
| NA4905.2RS | 25 | 42 | 18 | 0.3 | 0.09 | 21.6 | 27.5 | – | 6300 |
| NA6905 | 25 | 42 | 30 | 0.3 | 0.16 | 38 | 62 | 13000 | 15000 |
| NKIS25 | 25 | 47 | 22 | 0.6 | 0.16 | 34.1 | 46.5 | 12000 | 13000 |
| NA4852 | 260 | 320 | 60 | 2 | 10.5 | 358 | 1200 | 1400 | 1500 |
| NKI28/20TN | 28 | 42 | 20 | 0.3 | 0.092 | 26.4 | 48 | 12000 | 14000 |
| NKI28/30 | 28 | 42 | 30 | 0.3 | 0.14 | 34.1 | 65.5 | 12000 | 14000 |
| NA49/28 | 28 | 45 | 17 | 0.3 | 0.098 | 25.1 | 36.5 | 12000 | 14000 |
| NA69/28 | 28 | 45 | 30 | 0.3 | 0.18 | 39.6 | 65.5 | 12000 | 14000 |
| NA4856 | 280 | 350 | 69 | 2 | 15.5 | 429 | 1320 | 1300 | 1400 |
| NKI30/20TN | 30 | 45 | 20 | 0.3 | 0.11 | 27.5 | 52 | 11000 | 13000 |
| NKI30/30TN | 30 | 45 | 30 | 0.3 | 0.17 | 40.2 | 85 | 11000 | 13000 |
| NA4906 | 30 | 47 | 17 | 0.3 | 0.1 | 25.5 | 39 | 11000 | 13000 |
| NA4906.2RS | 30 | 47 | 18 | 0.3 | 0.1 | 23.3 | 32 | – | 5600 |
| NA6906 | 30 | 47 | 30 | 0.3 | 0.19 | 42.9 | 75 | 11000 | 13000 |
| NKIS30 | 30 | 52 | 22 | 0.6 | 0.18 | 36.9 | 54 | 10000 | 12000 |
| NA4860 | 300 | 380 | 80 | 2.1 | 22 | 594 | 1800 | 1100 | 1300 |
| NKI32/20 | 32 | 47 | 20 | 0.3 | 0.11 | 25.1 | 46.5 | 11000 | 12000 |
| NKI32/30 | 32 | 47 | 30 | 0.3 | 0.17 | 36.9 | 76.5 | 11000 | 12000 |
| NA49/32 | 32 | 52 | 20 | 0.6 | 0.16 | 30.8 | 51 | 10000 | 11000 |
| NA69/32 | 32 | 52 | 36 | 0.6 | 0.29 | 47.3 | 90 | 10000 | 11000 |
| NA4864 | 320 | 400 | 80 | 2.1 | 23 | 605 | 1900 | 1100 | 1200 |
| NA4868 | 340 | 420 | 80 | 2.1 | 24 | 616 | 1960 | 1000 | 1200 |
| NKI35/20TN | 35 | 50 | 20 | 0.3 | 0.12 | 29.7 | 60 | 10000 | 11000 |
| NKI35/30 | 35 | 50 | 30 | 0.3 | 0.19 | 38 | 83 | 10000 | 11000 |
| NA4907 | 35 | 55 | 20 | 0.6 | 0.17 | 31.9 | 54 | 9500 | 11000 |
| NA4907.2RS | 35 | 55 | 21 | 0.6 | 0.18 | 27 | 43 | – | 4800 |
| NA6907 | 35 | 55 | 36 | 0.6 | 0.31 | 48.4 | 93 | 9500 | 11000 |
| NKIS35 | 35 | 58 | 22 | 0.6 | 0.22 | 39.1 | 61 | 9000 | 10000 |
| NA4872 | 360 | 440 | 80 | 2.1 | 25.5 | 627 | 2040 | 950 | 1100 |
| NKI38/20 | 38 | 53 | 20 | 0.3 | 0.13 | 27.5 | 55 | 9500 | 11000 |
| NKI38/30 | 38 | 53 | 30 | 0.3 | 0.21 | 40.2 | 90 | 9500 | 11000 |
| NA4876 | 380 | 480 | 100 | 2.1 | 42.5 | 968 | 3000 | 900 | 1000 |
| NKI40/20TN | 40 | 55 | 20 | 0.3 | 0.14 | 31.4 | 65.5 | 9000 | 10000 |
| NKI40/30TN | 40 | 55 | 30 | 0.3 | 0.22 | 45.7 | 108 | 9000 | 10000 |
| NA4908 | 40 | 62 | 22 | 0.6 | 0.23 | 42.9 | 71 | 8000 | 9500 |
| NA4908.2RS | 40 | 62 | 23 | 0.6 | 0.25 | 36.9 | 58.5 | – | 4000 |
| NA6908 | 40 | 62 | 40 | 0.6 | 0.43 | 67.1 | 125 | 8000 | 9500 |
| NKIS40 | 40 | 65 | 22 | 1 | 0.28 | 42.9 | 72 | 8000 | 9000 |
| NKI42/20 | 42 | 57 | 20 | 0.3 | 0.14 | 29.2 | 61 | 8500 | 10000 |
| NKI42/30 | 42 | 57 | 30 | 0.3 | 0.22 | 41.8 | 98 | 8500 | 10000 |
| NKI45/25TN | 45 | 62 | 25 | 0.6 | 0.22 | 42.9 | 91.5 | 8000 | 9000 |
| NKI45/35TN | 45 | 62 | 35 | 0.6 | 0.31 | 58.3 | 137 | 8000 | 9000 |
| NA4909 | 45 | 68 | 22 | 0.6 | 0.27 | 45.7 | 78 | 7500 | 8500 |
| NA4909.2RS | 45 | 68 | 23 | 0.6 | 0.29 | 39.1 | 64 | – | 3800 |
| NA6909 | 45 | 68 | 40 | 0.6 | 0.5 | 70.4 | 137 | 7500 | 8500 |
| NKIS45 | 45 | 72 | 22 | 1 | 0.34 | 44.6 | 78 | 7000 | 8000 |
| NKI5/12TN | 5 | 15 | 12 | 0.3 | 0.012 | 3.8 | 4.25 | 32000 | 36000 |