Harmonic Reducer Bearings

Harmonic reducer bearings, also known as harmonic drive bearings or harmonic gear bearings, are special bearings specially designed for harmonic drive. These bearings are an integral part of the Harmonic drive system, a high-precision gear mechanism known for its compact design, high torque capacity and superior positional accuracy. Harmonic reducer bearings are commonly used in robotics, aerospace, medical devices, and other applications that require precise motion control.
The main characteristics of harmonic reducer bearings:
Carrying capacity:
Harmonic reducer bearings are designed to handle high radial and axial loads, enabling them to support the high torque capacity of harmonic drives.
They typically feature cross-roller or angular contact designs to provide enhanced rigidity and load carrying capacity, which is critical for high-precision applications.
Compact design:
Harmonic reducer bearings are compact and integrated into the harmonic drive mechanism, allowing the drive to have a smaller footprint.
The bearings are designed to help reduce the weight and size of harmonic drives overall, making them ideal for applications where space is limited.
High rigidity, high precision:
Harmonic reducer bearings provide high rigidity, minimize deflection under load, and maintain drive position accuracy.
Cross roller bearing configurations, often used for harmonic drives, are particularly effective at supporting high torque loads with minimal rotation play, making these bearings essential for precision applications.
Reduce reaction:
One of the main advantages of the harmonic reducer bearing is its extremely low clearance, which improves the position accuracy and repeatability of the harmonic drive.
This is especially important in the field of robotics and automation, where precise motion control is necessary for performance and safety.
Long service life:
Built with durable materials, harmonic reducer bearings are designed to extend service life, even under high load conditions.
Many of these bearings have advanced heat treatment processes or specialized coatings to improve wear resistance and performance over time.

FTM Harmonic reducer bearing type:
Cruciform four bearings:
Usually used for harmonic reducers to handle radial and axial loads with minimal space.
Cross roller design allows for high rigidity and load carrying capacity.
Wafer bearing:
In applications that require a more compact design, thin section bearings further reduce weight and space while still providing accuracy.
Angular contact bearing:
Some harmonic drivers may use angular contact bearings for axial load support, allowing for higher speeds and smoother operation.