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Ball Screw

The Ball Screw is a high-efficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Compared with a conventional sliding screw, this product has drive torque of one-third or less, making it most suitable for saving drive motor power.

Technical Support

Ball Screw

 


Precision, Caged Ball Screw

Precision, Caged Ball Screw

 

A Ball Screw that achieves low noise, small torque fluctuations and long-term maintenance-free operation by using a ball cage.

[Model number]
SBN, SBK, SDA, HBN, SBKH


Finished Shaft Ends Model BNK

Finished Shaft Ends Model BNK

 

For this model, screw shafts with a screw shaft outer diameter 4 to 25 mm and a lead 1 to 20 mm are avilable as the standard.


Precision Ball Screw

Precision Ball Screw

 

A Ball Screw using a screw shaft ground to high accuracy.

[Model number]
BIF, DIK, BNFN, DKN, BLW, BNF, DK, MDK, BLK/WGF, BNT, DIR, BLR


Precision Ball Screw / Spline

Precision Ball Screw / Spline

 

A Stroke/Rotary unit that has Ball Screw grooves and a Ball Spline groove crossing one another on a single shaft. The nuts of the Ball Screw and the Ball Spline have dedicated support bearings directly embedded on the circumference of the nuts.

[Model number]
BNS-A, BNS, NS-A, NS


Rolled Ball Screw

Rolled Ball Screw

 

A Ball Screw using a screw shaft roll-formed to high accuracy.

[Model number]
JPF, BTK, MTF, BLK / WTF, CNF, BNT


Support Unit

Support Unit

 

The Support Unit comes in six types: models EK, FK, EF, and FF, which are standardized for standard Ball Screw assembly provided with finished shaft ends, and models BK and BF, which are standardized for ball screws in general. The Support Unit on the fixed side contains a JIS Class 5-compliant angular bearing provided with an adjusted preload.

[Model number]
EK, BK, FK, EF, BF, FF


Nut Bracket

Nut Bracket

 

The nut bracket is standardized for standard Ball Screw assembly provided with finished shaft ends. This model is designed to be secured directly on the table using bolts. Since the height is low, it can be mounted on the table only using bolts.

[Model number]
MC


Lock Nut

Lock Nut

 

The Lock Nut for Ball Screws is capable of easily fastening the screw shaft and the bearing with high accuracy. A loosening prevention mechanism comprising a hexagonal socket-head setscrew and a set piece prevents the Lock Nut from loosening and ensures firm fastening.

[Model number]
RN