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Automotion supply a large range of mechanical components to design engineers and special purpose machine builders. We specialise in linear rail systems, lead and ball screws, mechanical precision components and rotary parts. Our parts are fully listed on our website, where cad files can be downloaded and parts ordered. We hold a lot of product in stock.


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we have up-to-date live stock and pricing

Up-to-date pricing on live stock!

We have special prices on large order quantites

Special pricing on large orders!

3D CAD drawings available on selected products

3D CAD drawings on selected items!

Linear Shaft Bars and Bushings

Linear Ball Bushings
Linear ball bushings for use on hardened shafts.

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Anodised Aluminium Linear Shafting
Aluminium Anodised shaft bars for use with self lubricating ceramic bearings.

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Linear bushing carriages
Linear bushing carriages for use with both hardened shafts and shaft support rails.

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Hollow Shaft Bars
Hardened steel hollow shaft for use with linear bearings.

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Shaft Support Rails
Shaft support rails come complete with shafts and are available in lengths up to 6m.

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Linear Shaft Bars
Hardened steel and corrosion resistant steel linear shafting stocked in lengths of 3m.

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Ceramic bearings
Ceramic bearings are ideal for use on all shaft bar materials.

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Linear shaft bars

Longer lengths are available on request and can also be cut down for smaller and specific lengths.

  • Standard shaft sizes ranging from 6mm diameter to 60mm diameter.
  • 303 and 316 stainless steel linear shafting also available as standard. These are not suitable for use with linear ball bushes as they are too soft. Please use corrosion resistant steel shafts if you need to use linear bearings.
  • Hollow shaft bars

    Ideal where you need to cut down the weight of your application.

    Drilling, tapping and machining easily done to drawing.

    Standard shaft sizes ranging from 12mm to 50mm diameter in lengths of up to 7.2 metres. Other sizes also available on request.

    Anodised aluminium linear shafting

    Ideal for applications that need to operate at high temperatures or require a non-magnetic linear system.

    Temperature range for aluminium anodised shafts is -130°c to + 200°c

    Shaft Support Rails

    Diameters starting at 12mm up to 80mm.

  • Due to the support only open style linear bushes can be used. The most popular types being the L1752 unflanged carriages and L1755 flanged carriages.
  • Custom hole spacings available to drawing on the supports.
  • Linear Ball Bushings

    Available for shaft sizes 5mm up to 60mm in various types including standard, open, flanged, double compliment, high load superball and more.

    Superball linear bushings can take 3 times the load rating and last 27 times longer than conventional linear bushings.

    Stainless steel linear bushings also available as standard.

    Ceramic Bearings

    Also available ready installed in carriage housings.

    Ideal for use in applications with high temperatures, vacuum, or require a non-magnetic system.

    Can be used in temperatures -130°c to + 200°

    Standard and self lubricating ceramic bearings available from stock.

    Linear Bushing Carriages

    Closed type linear bushing carriages used with standard shafts.

    Open type linear bushing carriages for use with shaft support rails.

  • Closed linear bushing carriages for shafts from 8mm to 50mm.
  • Open linear bushing carriages for shafts from 16mm to 50mm.
  • Stainless Steel linear bushing carriages are also available.
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