Freewheel for NHK drives
Freewheels are mechanical components for suitable NHK drives with emergency manual override. They are selected to match the specific drive and existing design and may be required for repair, replacement, or maintenance. At Fenstergigant, you will find Selve freewheels for NHK drives in various sizes as well as left and right versions.
NHK stands for emergency manual override (Nothandkurbel). These drives allow for mechanical operation via a crank in addition to motorized operation. The freewheel is a system-specific component. For a reliable replacement, the version must exactly match the existing drive or the respective design.
Different sizes are required depending on the NHK drive. When selecting, you should therefore especially check whether a 12 mm or 13 mm freewheel is required. Compare the dimensions and technical specifications of the existing component with the desired replacement part.
In addition to the size, the installation direction is crucial. Depending on the application, the freewheels are available as left or right variants.
Therefore, check both the required size and the left or right version before ordering. The article number and existing product designation can also help with clear identification.
For Selve NHK drives, you will find suitable freewheels in various versions. When replacing, it is recommended to compare existing article numbers and technical specifications with the spare part. This allows the required combination of size and installation direction to be selected precisely.