The normal work of gear and bearing must be ensured only when the active bevel gear bearing been preloaded, or early wear and tear of the gear and bearing will happen.

• 16、机械类： 主动锥齿轮轴承必须有预紧负荷才能保证齿轮及轴承的正常工作，否则，将会引起齿轮及轴承的早期磨损。