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Ball Screw Bearing Unit
Bearings Linear Bearings & Shaft Linear Ball Screw Drive
The support unit comes in six types: models EK, FK, EF, and FF, which are tailored to model BNK precision ball screw with fi nished shaft ends, and models BK and BF, which are standardized for general ball screws.
The support unit on the fi xed 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.
The internal bearings of the Support Unit models EK, FK and BK contain an appropriate amount of
lithium soap-group grease that is sealed with a special seal. Thus, these models are capable of operating over a long period.
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