On the banks of the endless and magnificent Songhua River, an important industrial town in northern China.
The charming ice city Harbin, known as the "eldest son of the Republic".
Here, there is an enterprise with the dream of making Chinas bearing industry lead the world.
In the process of bearing operation, the free vibration of the cage and the collision of the rolling ring will cause product noise, and other brands of bearings will also have this situation, which is
Generally, it is not necessary to change the grease of the self-aligning ball bearing in a short period of time. If the grease is changed every two courses of three weeks and one ounce is added at