Ball Screw Support Unit EK, BK, FK, EF, BF, FF Types
- Jan 07, 2019 -

Ball Screw Support Bearings

61

The Support Unit comes in six types: models EK, FK, EF, and FF, which are standardized for the

standard Ball Screw assembly provided with the fi nished shaft ends, and models BK and BF, which

are standardized for ball screws in general.

The Support Unit on the fi xed side contains a angular bearing provided with

an adjusted preload. The miniature type Support Unit models EK/FK 4, 5 and 6, in particular, incorporate

a miniature bearing with a contact angle of 45° developed exclusively for miniature Ball

Screws. This provides stable rotational performance with a high rigidity and an accuracy.

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. 

[Uses the Optimal Bearing]

To ensure the rigidity balance with the Ball Screw, the Support Unit uses an angular bearing (contact

angle: 30°; DF confi guration) with a high rigidity and a low torque. Miniature Support Unit models

EK/FK 4, 5 and 6 are incorporated with a miniature angular bearing with a contact angle of 45° developed

exclusively for miniature Ball Screws. This bearing has a greater contact angle of 45° and

an increased number of balls with a smaller diameter. The high rigidity and accuracy of the miniature

angular bearing provides the stable rotational performance.

[Support Unit Shapes]

The square and round shapes are available for the Support Unit to allow the selection according to

the intended use.

[Compact and Easy Installation]

The Support Unit is compactly designed to accommodate the space in the installation site. As the

bearing is provided with an appropriately adjusted preload, the Support Unit can be assembled with

a Ball Screw unit with no further machining. Accordingly, the required man-hours in the assembly

can be reduced and the assembly accuracy can be increased. 


If you need any bearings,just feel free to contact us.

Skypehannagreenpower
Wechat0086-137 7145 6936
WhatsApp0086-137 7145 6936
E-mailhanna@zkbearings.com
Hotmailhannabearing@hotmail.com


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