Ball Screw Support Bearings
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.
|0086-137 7145 6936|
|0086-137 7145 6936|
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