Harmonic reducer bearing

Harmonic reducer bearing
Harmonic reducer bearings include two types: rigid bearings and flexible bearings. Rigid bearings include four series, CSG (CSF) series, CSD series, SHG (SHF) series, and SHD series. The naming method adopts the name of the reducer; The bearing is named HYR.
Rigid bearings for harmonic reducers are of crossed cylindrical roller structure. According to their application occasions, they are divided into two types: outer ring split and inner ring integral. The outer ring and inner ring are both integral. Arranged vertically in the V-shaped raceway, the bearings of this structure can bear loads in various directions such as axial load, radial load and overturning moment at the same time. The bearing has high precision, high rigidity and composite load capacity.

CSG (CSF) type (separate outer ring, integral inner ring)
The outer ring is divided into two pieces, and the inner ring is an integral structure. No flange and bearing seat are required for installation. It is mainly used in the output parts of various reducers of CSG and CSF series.
CSD type (outer ring as a whole, inner ring as a whole)
Both the outer ring and the inner ring have integral structure, and the outer diameter is the same as the CSG type bearing, which has higher rigidity than the CSG type bearing, and is mainly used in the output part of the CSD series reducer.
CSG (CSF) type (separate outer ring, integral inner ring)
The outer ring is divided into two pieces, and the inner ring is an integral structure. No flange and bearing seat are required for installation. It is mainly used in the output parts of various reducers of CSG and CSF series.
CSD type (outer ring as a whole, inner ring as a whole)
Both the outer ring and the inner ring have integral structure, and the outer diameter is the same as the CSG type bearing, which has higher rigidity than the CSG type bearing, and is mainly used in the output part of the CSD series reducer.
SHG (SHF) type (outer ring integral, inner ring integral)
Both the outer ring and the inner ring have an integral structure, which has almost no impact on the performance during installation, and can obtain stable rotation accuracy and torque. It is mainly used in the output parts of various reducers of the SHG and SHF series.
SHD type (outer ring as a whole, inner ring as a whole)
The outer ring and the inner ring are integral structures, and the height is lower than that of SHG, which saves the installation space of the reducer, and is mainly used in the output part of the SHD reducer. (If you need relevant technical information of SHD series bearings, please contact our technical staff)
HYR flexible bearing
The flexible bearing is mainly subjected to alternating stress. Due to its relatively thin wall thickness, certain deformation occurs when it cooperates with the cam. The inner and outer rings and rolling elements are made of high-carbon chromium bearing steel, and the retainer is a nylon integral retainer.
Special bearing for RV reducer
Due to the large number of meshing gears at the same time, the RV reducer has the characteristics of small size and light weight, high rigidity and overload resistance. In addition, due to no gap, rotation vibration, and small inertia, it has good acceleration performance and can realize smooth operation. and get the correct positional precision.
These advantages of the RV reducer stem from its precise installation accuracy and the machining accuracy of each component. The entire reducer is assembled in a preloaded assembly method, which requires very high precision for the various parts inside the reducer. The requirements for internal bearings are also very high; the shape structure and precise positioning of the bearings are the key factors for its compact structure, excellent rigidity, and precise transmission. The bearings are required to have large output torque, high precision, large load, small volume, high rigidity, and low Noise, long life, stable operation and high reliability; when installing two paired main support bearings, the axial preload of the bearings must be adjusted well, and the specific specifications of the bearing preload values ​​can be consulted with our company connect.
Based on the advantages of the RV reducer, it is widely used in industrial robots, machine tools, aerospace and other industries.

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