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4 questions when choosing the right castor - Part I

Supplier: Wagen Material Handling - Industrial Division
07 February, 2015

There are thousands of castors on offer, how do you pick the correct one for your needs? These questions should help you pick the right one for the job.

These are the following things to consider when choosing a castor.


  • Wheel Diameter: The nominal diameter of the outside of the wheel, this typically describes the basic size of the castor (i.e. a 150mm wheel diameter castor is typically referred to as a 150 castor).

  • Swivel Radius: The distance from the center of the fastening to the outer most point of the caster. This specifies the minimum clearance required for a mounted caster to swivel a full 360 degrees.

  • Mounting Height: The vertical distance between the bottom of the wheel and the mounting point of the unit.

  • Load Rating: The load a castor is designed to carry on a continuous basis. Load is assigned on a per caster basis. To determine the load based on the number of casters on a unit, divide the total weight by the number of castors.

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