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Linear Unit KRF – maximum load-to-size ratio

The flat steel strips produce ideal rolling properties

The rollers also support each other in this alignment, because forces are not channelled in just one direction. Regardless of how weight is distributed on the slide, the rollers always accommodate the load as radial forces, making them four times stronger than when carrying load in an axial direction only.

The flat steel strips produce ideal rolling properties, thereby minimising Hertzian contact stress and resulting in especially smooth and low-abrasion running, even at high speeds.

Robust design with a wide range of attachment options

Thanks to its robust design, the system's service life is estimated at 10,000 km, even when the sliding carriage is loaded with up to 250 kg – and despite the extremely compact dimensions. Linear Unit KRF is driven by a timing-belt drive.

The sliding carriage offers a wide range of attachment options and has an integrated End Cap and Lubricating System. The robust criss-cross rollers also require very little maintenance and only need to be lubricated every six months or 2500 km.


Linear Unit KRF

  1. Extremely torsion resistant and strong
  2. Preassembled turnkey solution with Timing Belt
  3. Speed (max.): 10 m/s, repeat accuracy: +/- 0.1 mm, stroke length (max.): 5700 mm, applied load (max.): 1000 N

    Dynamic Elements

    The efficient linear systems from item enable users to develop automatic solutions of the highest standards.




    item Northeast

    1 Kenwood Circle
    Franklin, MA 02038
    Phone: +1 (508) 803-8250

    Serving Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island, Vermont

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