Air bearing casters application and manual instruction Air casters also known as air bearing casters, air caster systems, air load carriers, air rigging systems, air skates, air movers and so on names. Air bearing casters standard model have follow capacity: 10 tons air casters, 16 tons air movers, 20 tons air bearing casters, 32 tons air caster systems, 48 tons air load carriers. Air caster systems can be customized as demand. Air load carriers is best choice for precision heavy load transport, is one kind of heavy load handling moving systems. Air skates offers versatile positioning to fit almost any load of any shape, and provide low floor loading to prevent damage.