NTN NKXR20T2Z+1R17X20X20轴承尺寸、参数、图纸、互换、价格
| 类型 | 滚针组合轴承 |
| 内孔型式 | 圆柱孔 |
| 结构 | 单列 |
| 游隙 | CN |
| 材质 | 高碳铬钢 |
| 保持架材质 | 尼龙 |
| 极限转速-油润滑 | 8500转/分钟 |
| 极限转速-脂润滑 | 2100转/分钟 |
| 精度 | ISO Class 0 |
| 附件 | 开式 |
| 轴向额定静载荷 | 10500 lbf 46500 N |
| 轴向额定动载荷 | 4550 lbf 20200 N |
| 径向额定静载荷 | 6100 lbf 27100 N |
| 径向额定动载荷 | 3700 lbf 16400 N |
| 应用温度范围 | -40 to 120 ºC-40 to 250 ºF |
| 滚针和推力圆柱滚子组合轴承 -带内圈&端盖 - 尺寸 | |
| d | 0.6693 in 17.000 mm |
| dw | 0.7874 in 20.000 mm |
| dw公差 | 0.061/0.040 mm |
| D | 1.1811 in 30.000 mm |
| D1 | 1.4173 in 36.000 mm |
| B | 0.7874 in 20.000 mm |
| F | 0.7874 in 20.000 mm |
| C（0/-0.250） | 1.1811 in 30.000 mm |
| C1（0/-0.20） | 0.3937 in 10.000 mm |
| C2 | 0.4134 in 10.500 mm |
| a | 1.2087 in 30.700 mm |
| r | 0.0118 in 0.300 mm |
| r1 | 0.0118 in 0.300 mm |
| da min | 1.2598 in 32.000 mm |
| db min | 0.7480 in 19.000 mm |
| ras max | 0.0118 in 0.300 mm |
| r1as max | 0.0118 in 0.300 mm |
