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50x20mm Polyamide (Nylon) Swivel Caster Wheel
Product Overview
The 50x20mm Polyamide Caster from Pro Tronix is engineered for performance in demanding environments. Polyamide (commonly known as Nylon) is a superior material for wheels because it is incredibly tough, abrasion-resistant, and won’t develop “flat spots” after sitting under a heavy load for long periods.
Unlike rubber wheels, these polyamide casters have very low rolling resistance, allowing your project—whether it’s a heavy-duty autonomous mobile robot (AMR) or a workshop trolley—to glide effortlessly across smooth surfaces. The wheel is housed in a zinc-plated steel frame that provides excellent rust protection and structural integrity.
Technical Specifications
| Feature | Specification |
| Wheel Diameter | 50mm |
| Tread Width | 20mm |
| Wheel Material | High-Grade Polyamide (Nylon) |
| Load Capacity | ~40kg to 60kg (Per Wheel) |
| Mounting Type | Top Plate (Swivel) |
| Frame Material | Pressed Steel (Zinc Plated) |
| Bearing Type | Plain Bore / Stainless Pivot |
| Supplier | Pro Tronix |
Key Features
Chemical & Corrosion Resistant: Polyamide is resistant to oils, many chemicals, and cleaning agents, making it ideal for lab or factory environments.
Low Rolling Resistance: Requires minimal effort to start and maintain motion, even when under maximum load.
Non-Marking: The hard nylon surface will not leave streaks or black marks on your floors.
Heavy-Duty Construction: The steel swivel head allows for 360-degree rotation, ensuring easy maneuverability in tight spaces.
Common Applications
Industrial Robotics: Providing support and mobility for heavy AMR bases and warehouse AGVs.
Flight Cases & Equipment Racks: Ensuring safe and easy transport for sensitive electronic gear and stage equipment.
Workshop Furniture: Adding mobility to workbenches, tool carts, and heavy storage cabinets.
Medical & Lab Equipment: Ideal for mobile carts that require frequent sterilization or chemical cleaning.
