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Description
About This Castor
This 50mm pressed steel swivel castor with brake is a compact, light-duty mobility solution designed for everyday use across a wide range of indoor environments. Fitted with a black polypropylene wheel and secured via a 4-hole top plate, it delivers smooth, controlled movement on hard floor surfaces — with a side-operated brake that locks the wheel firmly in position when required. With a 55kg individual load capacity, it is well suited to shop fitting, light furniture, display units, trolleys, and general-purpose equipment where reliable, quiet rolling performance is essential.
Key Features
- 55kg Load Capacity — Dependable performance for light to medium-duty applications, with a combined capacity of 165kg across four castors.
- Swivel Action with Integrated Brake — Full 360-degree rotation for effortless directional control, with a positive-locking brake to hold equipment securely in place.
- Black Polypropylene Wheel — Hard-wearing, lightweight plastic wheel that rolls quietly on smooth hard floors without marking or scuffing surfaces.
- Pressed Steel Top Plate — Robust zinc-plated steel mounting plate with 4 bolt holes for a secure, stable fixing to most equipment bases.
- Compact 50mm Wheel Diameter — Low-profile design ideal for space-conscious applications and furniture with limited ground clearance.
- Plain Bearing — Simple, maintenance-free bearing construction suited to light loads and moderate-frequency use.
- 72mm Total Height — Consistent, predictable ride height for level equipment positioning.
Typical Applications
- Shop fitting & retail display units
- Light furniture & office equipment
- Trolleys & mobile workstations
- Workshop benches & tool caddies
- Hospitality & catering trolleys
- Display stands & exhibition fixtures
- Storage units & shelving
- General-purpose light equipment
Technical Specifications
| Castor Type | Top Plate Swivel with Brake |
|---|---|
| Bearing Type | Plain |
| Wheel Diameter (mm) | 50 |
| Wheel Material | Polypropylene |
| Wheel Colour | Black |
| Tread Width (mm) | 22 |
| Total Castor Height (mm) | 72 |
| Swivel Radius (mm) | 70 |
| Load Capacity — Single Castor (kg) | 55 |
| Max Load Capacity — 4 Castors (kg) | 165 |
| Plate Length (mm) | 50 |
| Plate Width (mm) | 50 |
| Plate Hole Centres — Length (mm) | 36 |
| Plate Hole Centres — Width (mm) | 36 |
| Plate Hole Diameter (mm) | 6 |
| Number of Fixing Holes | 4 |
| Plate Finish | Zinc Plated Pressed Steel |
Frequently Asked Questions
What is the maximum weight this castor can support?
Each castor has an individual load capacity of 55kg. When four castors are used together on a single piece of equipment, the combined maximum load capacity is 165kg. It is recommended to stay within these limits to ensure safe and reliable performance.
Is this castor suitable for use on hard floors such as wood, tile, or laminate?
Yes. The black polypropylene wheel is designed for use on smooth, hard floor surfaces including timber, tile, vinyl, and laminate. It rolls quietly and cleanly without leaving marks under normal light-duty use conditions.
How is this castor fixed to equipment, and what fixings are required?
The castor is mounted using a 4-hole top plate measuring 50mm x 50mm, with hole centres of 36mm x 36mm and a hole diameter of 6mm. Standard M6 bolts are typically used for fixing. The plate is zinc-plated pressed steel, providing a strong and corrosion-resistant mounting point.
How does the brake mechanism work on this swivel castor?
The brake is a side-operated foot brake that engages directly onto the wheel to prevent rotation. When applied, it locks the castor in place, keeping equipment stationary on flat surfaces. It is released by pressing the opposite side of the brake lever. This type of brake is suitable for static positioning rather than heavy-duty braking applications.
* All dimensions are nominal and measured in millimetres unless otherwise stated. Load capacities are quoted for static conditions on flat, level surfaces. For dynamic or mobile load applications, consult load ratings carefully and select an appropriate safety margin.
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