信阳浉河区平桥美孚46号液压油-润滑脂销售润滑脂1号、2号、3号的核心区别在于‌稠度（软硬度）不同，这由锥入度数值决定，号数越大润滑脂越硬‌，进而导致其适用的工况、承载能力和加注方式也不同The core difference between lubricating grease No. 1, No. 2, and No. 3 lies in their viscosity (hardness), which is determined by the cone penetration value. The larger the number, the harder the grease, resulting in different applicable working conditions, load-bearing capacity, and filling methods