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SFU Ball Screws

SFNU/SFU ball screw has a flanged ballnut which is easy to install.The ball screw uses an internal circulation design and is suitable for a small operating environment.

ALM SFNU/SFU Ball Screw Basic Information

AccuracyC1,C3,C5,C7(JIS standard)
Axial play0~0.005mm(Can be zero)


FeaturesClean and smooth,excellent surface finsh
CertificatesISO9001:2015,CE certificate,RoHS and reach compliance
ALM provides custom service,ball screws can be manufactured according to customer requirements.

ALM SFNU/SFU Ball Screw Advantages:

Easy to install.

Affordable and long service life.

High durability,high positioning accuracy,and smooth.

Space saving and suitable for small operating environment.

ALM SFNU/SFU Ball Screw Intelligent Manufacturing and Inspection

ALM SFNU/SFU Ball Screw Applications

SFNU/SFU ball screw is ideal for applications requiring high durability,high positioning accuracy,and smooth operation.The following pictures show the common application of SFU ball screws.

robot indurty

Robot industry

round ballnut ball screw for medical

Medical industry

round ballnut for laboratory

Laboratory equipments

round ballnut ball screw for packaging machine

Packing machine

round ballnut ball screw for laser cutting machine

Laser cutting machine

ball screw for 3D printer

3D printer




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