The support unit comes in six types: Models EK, FK, EF and FF, which are tailored to model BNKprecision ball screw with finished shaft ends, and models BK and BF which are standardized for general ball screws.
The support unit on the fixed side includes a JIS Class 5-compliant angular bearing provided with an adjusted preload.
The support Unit on the supported side uses a deep-groove ball bearing.