Product FAQ

HONB Harmonic Reducer Bearings

Crossed roller bearings for harmonic reducers are divided into two categories according to their use occasions: split outer ring, integral inner ring, and both outer ring and inner ring are integral. The rolling elements are cylindrical rollers, which are arranged vertically at 90° in a V-shaped raceway. Bearings with this structure can simultaneously withstand loads in various directions such as axial loads, radial loads, and overturning moments. The bearings have high precision, high rigidity, and composite load-bearing capacity. Crossed roller bearings for harmonic reducers include four series, CSG (CSF) series, CSD series, SHG (SHF) series, and SHD series, and their naming method adopts the naming of reducers.

CSG type

The outer ring is divided into two pieces, and the inner ring is an integral structure. Flanges and bearing seats are not required for installation. It is mainly used in the output part of CSG and CSF series reducers.

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CSD type

The outer and inner rings of CSD type are both integral structures, and the outer diameter size is the same as that of CSG type. It has higher rigidity than CSG type bearings and is mainly used in the output part of CSD series reducers.

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SHG (SHF) type

The SHG (SHF) type has an integral outer ring and inner ring, which has almost no effect on performance during installation and can obtain stable rotation accuracy and torque. It is mainly used in the output part of SHG and SHF series reducers.

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SHD type

The outer ring and inner ring are both integral structures, with a lower height than SHG, saving the installation space of the reducer. It is mainly used in the output part of SHD reducers.

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