调心滚子轴承 圆锥孔。 EAKE4：EA为冲压钢保持架，高承载能力，是, K为1:12锥度； E4为外径面带油槽油孔。
NSK
恩斯克 日本精工株式会社（NSK LTD.简称NSK）成立于1916年，是日本国内第一家设计生产轴承的厂商。 几十年来，NSK开发出无数新型轴承，满足世界各地用户的需求，并为 产业发展 和 技术进步 做出了极大的贡献。 同时NSK凭借其在 精密加工 方面的 技术优势，不断开发 汽车零部件 、精密机械组件等高、精、尖产品，在电子应用等领域积极开展 多元化经营
| d | 90 mm | Bore diameter |
| D | 190 mm | Outside diameter |
| B | 64 mm | Width |
| r (min.) | 3 mm | Chamfer dimension |
| C r | 665000 N | Basic dynamic load rating |
| C 0r | 705000 N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 2800 min -1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 3000 min -1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 2400 min -1 | Grease lubrication |
| Oil (Oil-bath) | 3000 min -1 | Oil-bath lubrication |
| da (min.) | 104 mm | Diameter of shaft abutment |
| da (max.) | 115 mm | Diameter of shaft abutment |
| Da (min.) | 163 mm | Diameter of housing abutment |
| Da (max.) | 176 mm | Diameter of housing abutment |
| ra (max.) | 2.5 mm | Radius of shaft or housing fillet |
| e | 0.33 | Constant |
| Y2 | 3.1 | Axial load Factors |
| Y3 | 2.1 | Axial load Factors |
| Y0 | 2 | Axial load Factors |
| (approx.) | 8.56 kg |
正品保障
专业诚信
严守货期
阳光采购
