When ordering, please state the number of individual bearings, not the number of bearing pairs or bearingsets.
定购时，请注明单独轴承的数量，而不要写铰副或者轴承套装。
2
Bearing parts: rings, cages, seals, and rolling bodies, fastening sets.
轴承零配件：套圈保持架密封件滚动体紧固套。
3
The paper also sets up the general dynamic model for gear transmission, analyses the vibration and noise principle of the main parts in the gear transmission system like gear and bearing.