4″ swivel caster with non-marking gray TPR wheel, Quad X bearing, and zinc-plated steel finish. Designed for smooth, quiet operation and floor protection in institutional and industrial settings.
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Ideal for the following use cases:
Medical carts and hospital equipment
Institutional and commercial equipment
Logistics and warehousing carts
Manufacturing fixtures
Rolling shelves, workstations, and toolboxes
Cleanrooms and noise-sensitive environments
This caster is best suited for indoor use and flat flooring surfaces where maneuverability, quiet operation, and floor protection are critical.
Z40P3X2NGPL Swivel Caster – 4″ Thermoplastic Rubber Wheel, Zinc Finish, Quad X Bearing
Engineered for medium to heavy-duty applications, the Z40P3X2NGPL is a swivel caster featuring a 4″ gray thermoplastic rubber (TPR) wheel mounted on a zinc-plated steel rig with a lacquer dip for added corrosion resistance. This caster includes a Quad X precision bearing for ultra-smooth, quiet operation, making it ideal for environments where silence and protection are key—such as medical, institutional, and logistics facilities.
The non-marking TPR tread protects floors while providing excellent traction and shock absorption. The caster includes a standard 4″ x 4.5″ top plate and is fitted with a thread guard for debris protection. With a 400 lb load capacity and crowned tread profile, it offers a perfect balance of performance, maneuverability, and durability.
