skate roller

Hilman Rollers are low profile, high capacity moving devices that can be used to move a multitude of things. Ranging in size from small machinery to entire bridges, buildings and offshore oil rigs; Hilman Rollers have moved some of the largest objects in the world. Used as a temporary means for moving a heavy structure, repetitively in assembly line applications or as a permanent installation on board an oil-rig; Hilman Rollers are known throughout the world for their durability. All Hilman Rollers utilize the endless chain principle; which features a chain of steel rolls capable of rotating about a central load-bearing, steel plate. The result is a product that performs as a low friction, high capacity conveyor. Often referred to as Rollers, Dollies, Skates, Machinery Movers and Turtles; Hilman has become a brand name when referring to this type of equipment. All Hilman Rollers are rated in metric tons and carry a safety factor of at least 2-to-1.  (hillman roller website)

This equipment better than grime grease oil on transverse beam between Cargo or machinery equipment to
drag equipment towards it's final position, maybe needs bigger chain block. last time i saw in discovery channel and the jobs was delay because existing chain block not sufficient to pulling ship diesel engine to it's position. (cargo about 230t).

roller based on 100t

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