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What is the difference between a caster and a wheel?
The wheel is limited in that it only spins on a single axis. It can only roll in one direction at a time. Casters incorporate wheels into their designs, but they are a bit more sophisticated. A caster includes the mounting system that holds the wheel in place.
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Which caster material is best?
Caster Wheel Materials: Specific Characteristics
| Finished Wood Floor | Concrete Floor |
| Soft Rubber | Good | Excellent |
| Rubber on Aluminum | Good | Excellent |
| Rubber on Cast Iron | Good | Excellent |
| Thermoplastic Rubber | Good | Excellent |
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How do you calculate caster load on a wheel?
One of the primary considerations for choosing casters is the “load,” which refers to how much weight each caster will support. Calculating the load you need for each caster or wheel is simple: just divide the weight of the furniture, equipment, or cargo by the number of casters.
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What makes a good caster wheel?
Always get a caster wheel that is rated for a higher capacity than your load to handle any unusual conditions, if need be. For material, polyurethane, iron core, molded nylon, cast iron, or aluminum core wheels can take up to 1500lbs per caster. Rubber and plastic are perfect for lighter loads, like for chairs
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How do I know what size casters I need?
Ideally, the caster should be able to swivel a full 360 degrees. To determine this measurement, lay the caster down on its side again and measure from the back edge of the wheel to the very center of the kingpin. You can use a straightedge against the wheel face to make it simpler, too.
