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Description
Swivel Castors — Top Plate Series
50mm Pressed Steel Swivel Castor Wheel
White Nylon Wheel • 60×60mm 4-Hole Top Plate • 50kg Load Capacity
The 50mm pressed steel swivel castor is a compact, dependable mobility solution engineered for light to moderate load applications. Fitted with a white nylon wheel and secured via a 60×60mm four-hole top plate, this castor delivers smooth, quiet movement across hard floor surfaces including concrete, tile, and sealed timber. With a rated load capacity of 50kg per castor and full 360-degree swivel rotation, it is widely specified for office furniture, retail display units, workshop trolleys, catering equipment, and light storage solutions where reliable, low-maintenance mobility is essential.
Key Features
| 360-Degree Swivel Action | Full rotation for effortless directional change in confined spaces and busy environments. |
| White Nylon Wheel | Hard-wearing nylon construction provides a smooth, quiet roll with minimal floor marking on hard surfaces. |
| Pressed Steel Housing | Robust pressed steel fork and housing deliver structural rigidity and long service life under regular use. |
| 4-Hole Top Plate Fixing | Standard 60×60mm bolt-hole pattern ensures straightforward, secure installation on a wide range of equipment. |
| 50kg Load Capacity | Rated to support up to 50kg per castor, suitable for light to moderate load-bearing applications. |
| Compact 70mm Total Height | Low-profile overall height suits furniture and equipment where ground clearance is a consideration. |
Technical Specifications
| Specification | Detail |
|---|---|
| Castor Type | Swivel — Top Plate Fixing |
| Load Capacity | 50kg per castor |
| Wheel Diameter | 50mm |
| Wheel Material | White Nylon |
| Housing / Fork Material | Pressed Steel |
| Total Castor Height | 70mm |
| Fixing Method | 4-Hole Top Plate |
| Top Plate Dimensions | 60mm × 60mm |
| Hole Centres — Length | 30mm |
| Hole Centres — Width | 30mm |
| Swivel Rotation | 360 degrees |
| Finish | Zinc Plated Steel |
Typical Applications
This swivel castor is a versatile choice across a broad range of environments and equipment types, including:
- Office & Domestic Furniture — chairs, desks, shelving units, and storage cabinets.
- Retail Display & Merchandising — mobile display stands, garment rails, and point-of-sale units.
- Workshop & Light Industrial — tool trolleys, workbenches, and equipment stands.
- Catering & Hospitality — service trolleys, catering carts, and mobile prep stations.
- Warehouse & Storage — picking trolleys, bin units, and light-duty platform trucks.
Frequently Asked Questions
What surfaces are nylon castor wheels suitable for?
Nylon wheels perform best on smooth, hard floor surfaces such as concrete, ceramic tile, vinyl, and sealed timber. They offer low rolling resistance and minimal noise on these surfaces. They are not recommended for use on soft, uneven, or heavily textured flooring where a rubber or polyurethane wheel would be more appropriate.
How do I calculate the total load capacity I need?
To calculate the required load capacity per castor, divide the total weight of the loaded equipment by the number of castors fitted, then apply a safety factor of approximately 1.3 to 1.5. For example, a trolley with a maximum load of 150kg fitted with four castors requires each castor to be rated to at least 50kg — making this castor a suitable choice for that application.
What does the 4-hole top plate fixing mean, and how is it installed?
A top plate castor is fixed directly to the underside of the equipment using four bolts through the pre-drilled holes in the mounting plate. The plate on this castor measures 60×60mm with hole centres of 30×30mm. Installation requires four M6 or equivalent bolts (not supplied) and is straightforward with basic hand tools. Ensure the mounting surface is flat and structurally sound before fitting.
Can this castor be used outdoors?
This castor is primarily designed for indoor use on hard, level surfaces. The pressed steel components are zinc plated to provide a degree of corrosion resistance; however, prolonged exposure to moisture, rain, or outdoor conditions is not recommended. For outdoor or wet-environment applications, a stainless steel or fully plastic castor would be a more suitable specification.
Sold individually. Fixings not included. Always verify load ratings and floor compatibility before installation. For bulk orders or technical enquiries, please contact our team.
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