Castor Wheel

Caster (or castor) is an undriven wheel that is designed to be attached to the bottom of a larger object (the “vehicle”) to enable that object to be moved. High capacity, heavy duty casters are used in many industrial applications, such as platform trucks, carts, assemblies, and tow lines in plants.

When considering maneuverability, there are two basic kinds of caster: rigid casters and swivel casters. A rigid caster, also known as a fixed caster, is only able to roll forward and backward. A swivel caster has a raceway that allows the wheel to turn .