Application
Speed reducer
Edit:Shandong Hanai Bearing Co., Ltd.Time:2026-01-13

As a core component for power transmission, reducers impose extremely high requirements on bearing rigidity, wear resistance, and precision. Crossed roller bearings play a key role in both harmonic reducers and RV reducers, serving as the core supporting components that ensure the stable and efficient operation of the reducer.
At the output end of harmonic reducers, crossed roller bearings ensure stable power transmission through precise preset preload. Combined with a flexible structural design, they can withstand periodic deformation with a fatigue life exceeding 10,000 hours. This perfectly adapts to the high-speed operation requirements of robots, effectively avoiding precision loss and component wear during power transmission.
For RV reducers, crossed roller bearings possess excellent high anti-overturning stiffness characteristics, which can effectively suppress vibration during power transmission and ensure the transmission accuracy of the reducer under heavy-load conditions. They are widely used in high-end equipment such as heavy-load robots and CNC machine tool reducers. Through the optimization of roller end modification curves, stress concentration can be reduced by 45%, extending the fatigue life of the reducer bearing to over 30,000 hours and significantly lowering equipment maintenance costs and downtime losses.
Meanwhile, supporting cylindrical roller bearings can be used at the input end of the reducer. Relying on their outstanding high radial load-carrying capacity, they further improve power input efficiency. Together with crossed roller bearings, they form a synergistic supporting solution to comprehensively guarantee the stable transmission of the reducer from the input end to the output end, meeting the application requirements of different heavy-load and high-precision reducers.

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