A typical assembly would comprise an aluminium-profile constructed carrier onto which is mounted four Roller-Units D60 PU, which run in a parallel pair of Track-Profile 8 80x40s. The modular design means that the carriers can be made to any size and the Track-Profiles placed accordingly. The Roller-Units (each with a load-bearing-capacity of 800N) are fitted with ball-bearing mounted polyurethane-tyres for smooth and quiet running, and with spring-loaded lateral guide-wheels to provide sideways support.
The Roller-Units have a choice of fixing positions which give either a ride-height which is flush or 4mm proud of the Track-Profile depending on the chosen setting, and can also be fitted to non-profile carriers. The Rollers can be used independently of the Roller-Units, and will run easily without the Track-Profiles on level surfaces.
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