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Description
125mm Swivel Castor with Directional Brake
Premium grey rubber wheel with 4-hole top plate mounting
Product Overview
This 125mm swivel castor combines precision engineering with practical functionality, delivering smooth manoeuvrability and controlled directional movement for medium-duty applications. The integrated directional brake locks the swivel head to maintain straight-line travel when required, making it ideal for trolleys, mobile workstations and handling equipment that demand both flexibility and control.
Designed for indoor environments, this castor features a non-marking grey rubber wheel on pressed steel construction, ball journal bearing for effortless rotation, and a robust 4-hole top plate for secure mounting. With a 110kg load capacity per castor, it provides dependable performance across commercial, industrial and institutional settings.
Technical Specifications
Castor Configuration
| Castor Type | Swivel with Directional Brake |
| Mounting Type | 4-Hole Top Plate |
| Bearing Type | Ball Journal |
| Total Height | 157mm |
Wheel Specifications
| Wheel Diameter | 125mm |
| Tread Width | 37.5mm |
| Wheel Material | Rubber on Pressed Steel |
| Wheel Colour | Grey |
| Tread Hardness | 85 Shore A |
Top Plate Dimensions
| Plate Length | 100mm |
| Plate Width | 85mm |
| Hole Centres | 60mm ? 80mm |
| Hole Diameter | 10mm |
Load Capacity
| Per Castor | 110kg |
| Four Castors | 330kg |
Key Performance Features
Locks the swivel head to maintain straight-line travel, providing precise control when moving loads through narrow aisles or along defined pathways.
Ensures smooth, low-friction rotation under load, reducing operator effort and extending service life in demanding applications.
Protects floor surfaces while delivering quiet operation, effective shock absorption and controlled rolling performance on smooth indoor surfaces.
Robust wheel core and top plate provide impact resistance and structural integrity for reliable performance in commercial and industrial environments.
Typical Applications
Mobile trolleys and carts requiring directional guidance
Workshop and industrial workstations
Material handling and transport equipment
Institutional and commercial facilities
Frequently Asked Questions
What is a directional brake and how does it work?
A directional brake locks the swivel mechanism of the castor, preventing it from rotating. This allows the wheel to roll only in a straight line, making it easier to move trolleys and equipment along narrow aisles or defined pathways without the castor swivelling unexpectedly. When disengaged, the castor returns to full 360-degree swivel movement.
What is the maximum weight this castor can support?
Each castor has a load capacity of 110kg. When using four castors together on a trolley or cart, the combined maximum load capacity is 330kg. This rating assumes even weight distribution and use on smooth, level indoor surfaces. Always ensure loads are balanced and do not exceed the stated capacity.
Will this castor mark or damage my floors?
The grey rubber wheel is designed to be non-marking and floor-safe, making it suitable for use on polished concrete, vinyl, tile and other smooth indoor surfaces. The 85 Shore A tread hardness provides a balance between grip and floor protection, while the rubber material helps absorb shock and reduce vibration during movement.
How do I install this castor to my equipment?
This castor features a 4-hole top plate measuring 100mm ? 85mm with fixing holes positioned at 60mm ? 80mm centres. Each hole has a 10mm diameter. Secure the castor to your equipment using four M10 bolts, washers and nuts (not included). Ensure the mounting surface is flat, clean and capable of supporting the intended load before installation.
Engineered for reliability, designed for performance. This 125mm swivel castor with directional brake delivers the control and durability your operations demand.
About Us
Suppliers to Ministry of Defence, NATO, US Airforce and Most UK Councils, Schools, Universities, Hospitals & various Government departments
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