125mm Pressed Steel Swivel Castor, Black Rubber on Polypropylene Wheel, Directional Brake - 110kg Load
125mm Pressed Steel Swivel Castor, Black Rubber on Polypropylene Wheel, Directional Brake - 110kg Load
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125mm Pressed Steel Swivel Castor with Directional Brake
Black Rubber on Polypropylene Wheel | 110kg Load Capacity | Ball Journal Bearing
What This Castor Is
This 125mm pressed steel swivel castor combines precision engineering with practical functionality, featuring a directional brake mechanism that allows full 360-degree manoeuvrability when unlocked and controlled straight-line travel when engaged. Built with a durable black rubber tread bonded to a polypropylene wheel core, it delivers smooth, floor-friendly operation with excellent shock absorption and vibration dampening.
Designed for medium-duty applications requiring both agility and directional control, this castor is ideal for mobile workstations, industrial trolleys, handling equipment, warehouse carts, and workshop furniture where operators need the flexibility to switch between free-swivel movement and guided straight-line transport.
Key Performance Features
Directional Brake Control
Swivel action with integrated directional brake locks the castor head to maintain straight-line travel, ideal for guided movement in aisles or controlled transport applications.
110kg Load Capacity
Engineered to support up to 110kg per castor, providing reliable performance for medium-duty trolleys, carts, and mobile equipment across industrial and commercial settings.
Ball Journal Bearing
Precision ball journal bearing ensures smooth, low-friction rotation under load, reducing rolling resistance and improving manoeuvrability during operation.
Floor-Friendly Rubber Tread
Black rubber tread with 85 Shore A hardness provides excellent grip, vibration reduction, and floor protection, suitable for finished concrete, tile, and smooth indoor surfaces.
Technical Specifications
Castor Specifications
| Castor Type | Swivel with Directional Brake |
| Mounting Type | Top Plate Fixing |
| Bearing Type | Ball Journal Bearing |
| Load Capacity (per castor) | 110 kg |
| Maximum Load Capacity (4 castors) | 330 kg |
| Total Castor Height | 157 mm |
Wheel Specifications
| Wheel Diameter | 125 mm |
| Tread Width | 37.5 mm |
| Wheel Material | Black Rubber on Polypropylene Core |
| Tread Hardness | 85 Shore A |
| Wheel Colour | Black |
Top Plate Specifications
| Plate Length | 100 mm |
| Plate Width | 85 mm |
| Plate Hole Centres | 60 mm × 80 mm |
| Plate Hole Diameter | 10 mm |
| Plate Material | Pressed Steel |
Material & Construction
| Frame Material | Pressed Steel |
| Wheel Core Material | Polypropylene |
| Tread Material | Black Rubber (85 Shore A) |
Ideal Applications
Frequently Asked Questions
What does the directional brake do on this castor?
The directional brake locks the swivel mechanism of the castor, preventing it from rotating. When engaged, the castor can only roll in a straight line in the direction it's currently facing. This is particularly useful when you need to move equipment in a controlled, straight path through narrow aisles or when precise directional control is required. When disengaged, the castor returns to full 360-degree swivel movement for easy positioning and manoeuvrability.
What type of floors is this castor suitable for?
This castor is designed for smooth indoor surfaces including finished concrete, tile, vinyl, laminate, and sealed wood floors. The black rubber tread with 85 Shore A hardness provides excellent floor protection while maintaining good grip and shock absorption. The rubber material is floor-friendly and won't mark or damage most interior surfaces, making it ideal for warehouses, workshops, retail environments, and commercial facilities with finished flooring.
How do I install this top plate castor?
Installation requires mounting the top plate to your equipment using four bolts through the 10mm diameter holes. The plate measures 100mm × 85mm with hole centres at 60mm × 80mm. Ensure your mounting surface is flat and can support the distributed load. Use appropriate fasteners (M10 bolts recommended) with washers and lock nuts. Position the castor so the directional brake is easily accessible for operation. Always verify that the mounting surface thickness and material can safely support the intended load.
What is the difference between rubber on polypropylene and solid rubber wheels?
Rubber on polypropylene wheels feature a rigid polypropylene core with a rubber tread bonded to the outer surface. This construction combines the strength and durability of the hard plastic core with the floor-friendly, shock-absorbing properties of rubber. Compared to solid rubber wheels, they offer better load distribution, reduced rolling resistance, and improved longevity while maintaining excellent floor protection and vibration dampening. This hybrid design is ideal for medium-duty applications where both durability and floor care are important.
Why Choose This Castor
This 125mm pressed steel swivel castor with directional brake delivers the perfect balance of manoeuvrability and control for medium-duty applications. The ball journal bearing ensures smooth, effortless movement under load, while the rubber on polypropylene wheel provides floor protection and vibration reduction.
Engineered for reliability and long service life, this castor is an excellent choice for industrial trolleys, mobile workstations, and handling equipment where both free movement and guided straight-line travel are essential operational requirements.
Shipping & Returns
Shipping & Returns
Express UK Shipping — Orders placed before 2pm are dispatched same day.
Delivery: 1-3 working days across the UK.
Returns: 30-day hassle-free returns policy.
Need Help?
Need Help?
Our castor experts are here to help. Call 01282 270214 or email sales@castorhub.co.uk.
Mon-Fri 08:30-17:00 GMT

Express UK Shipping
Fast delivery across the UK, 1-3 working days
Same-Day Dispatch
Order before 2pm for same-day dispatch
Quality Guaranteed
Premium castors built to last
30-Day Returns
Hassle-free returns policy
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