Manufacturing the world’s best Ball Units   Since 1939

Made in the UK | Est. 1939
Made in the UK | Est. 1939

Mini Units

Mini Ball Transfer Units diagram

The ALWAYSE Miniball Transfer Unit is the smallest Ball Unit in the extensive Alwayse range. Mini Units are used in a wide variety of industries and come with the renowned ALWAYSE guarantee of quality for your peace of mind.

Mini Ball Transfer Units provide precise movement and positioning, can be used ball up or ball down with a screwdriver notch for precision fitting.

  • Available with load balls from 4.8 – 15.8mm
  • Threaded stem for secure fixing
  • Dynamic loads from 5 – 70kg
  • Available in 2 profiles - Flat and Angled Top.

All thread sizes for dimension “P” are metric coarse. 

Carbon Steel type 13 mini ball transfer units are assembled with a small amount of oil to protect the carbon steel balls from oxidation.

11MI-16-13 & 11MI-16-15 can be supplied with a flat or angled top.


Measuring Equipment
Oil & Gas - downhole exploration
Nuclear & Aerospace - metrology
Automotive - testing & assembly
Robotics & Mechatronics
Optical & laser technologies
Small linear guides and feeds
Medical imaging equipment

Need more help selecting the right Ball Unit?

You can use the Ball Unit Identifier to help you narrow your results or if you are unsure of your requirements, our technical team are here to help you...

If you are unsure of your requirements, our technical team are here to help you... Get in Touch

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Quality Testing

Quality Testing

ALWAYSE Engineering is quality registered to ISO 9001 and has a rigorous policy of testing, utilising our specially designed test equipment.

Case Studies

Case Studies

ALWAYSE Ball Units are used in many different industries. Take a look at some recent applications.



Download the latest ALWAYSE catalogue by clicking the link below

What is the Ball Unit Identifier?

The Alwayse Ball Unit Identifier allows you quickly identify suitable units based on 2 key criteria. By choosing from the options listed you will be given a variety of ball transfer products which meet your needs.

If you know the Alwayse part number enter it and you will be taken directly to the appropriate information. You can also enter other companies’ part numbers to find the Alwayse equivalent.

Fixing Method

Choose the appropriate fixing for your application if known.

Load Capacity

Choose the maximum load capacity required. Please note that these are for a load up orientation. For load down or other orientations please note that the maximum load capacity may be reduced.

More Information

Ball Unit Identifier

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