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Description
Pressed Steel Fixed Castors With White Nylon Wheel — 50mm & 75mm
Fixed Top Plate Castors | Plain Bearing | White Nylon Wheel | UK Stock
These pressed steel fixed castors are engineered for straight-line mobility across a wide range of light-duty and general-purpose applications. Fitted with a durable white nylon wheel and mounted via a four-hole top plate, they deliver consistent, low-maintenance rolling performance on smooth and semi-smooth floor surfaces. Available in two wheel diameters — 50mm and 75mm — each size is matched to a specific load rating, making it straightforward to select the right castor for your equipment.
Fixed castors do not swivel. They are designed to be used in combination with swivel castors — typically two fixed at the rear and two swivel at the front — to provide directional control and straight-line tracking on trolleys, stands, shelving units, and light industrial equipment. The plain bearing construction requires no lubrication and is well suited to environments where simplicity and reliability are priorities.
Available in Multiple Castor Wheel Sizes & Types
Explore this castor wheel's different types, and also Available in multiple sizes. Choose the options below.
| Specification | 50mm — 65 kg | 75mm — 75 kg |
|---|---|---|
| Wheel Diameter (mm) | 50 | 75 |
| Total Castor Height (mm) | 72 | 100 |
| Load Capacity per Castor (kg) | 65 | 75 |
| Max Load — Set of 4 (kg) | 195 | 225 |
| Tread Width (mm) | 22 | 22 |
| Wheel Material | Nylon | Nylon |
| Wheel Colour | White | White |
| Bearing Type | Plain | Plain |
| Castor Type | Fixed — Top Plate | Fixed — Top Plate |
| Bracket / Top Plate Material | Pressed Steel | Pressed Steel |
| Plate Length (mm) | 60 | 60 |
| Plate Width (mm) | 67 | 67 |
| Hole Centres — Length (mm) | 48 / 38 | 48 / 38 |
| Hole Centres — Width (mm) | 48 / 38 | 48 / 38 |
| Plate Hole Diameter (mm) | 6 | 6 |
| Number of Fixing Holes | 4 | 4 |
* Load ratings are per individual castor. To calculate the required load capacity per castor, divide the total equipment weight (including contents) by the number of castors fitted — typically four. Always apply an appropriate safety margin to account for dynamic loads, uneven weight distribution, and floor surface conditions.
50mm Fixed Castor — White Nylon Wheel, 4-Hole Top Plate, 65 kg Load Capacity
Compact and precise — suited to light-duty furniture, retail fixtures, and domestic storage equipment| Castor Type | Fixed — Top Plate |
|---|---|
| Wheel Diameter (mm) | 50 |
| Total Castor Height (mm) | 72 |
| Load Capacity per Castor (kg) | 65 |
| Max Load — Set of 4 (kg) | 195 |
| Tread Width (mm) | 22 |
| Wheel Material | Nylon |
| Wheel Colour | White |
| Bearing Type | Plain |
| Bracket Material | Pressed Steel |
| Plate Length (mm) | 60 |
| Plate Width (mm) | 67 |
| Hole Centres — Length (mm) | 48 / 38 |
| Hole Centres — Width (mm) | 48 / 38 |
| Plate Hole Diameter (mm) | 6 |
| Number of Fixing Holes | 4 |
| Brake / Swivel Lock | None — Fixed |
The 50mm fixed castor is the compact choice within this range, offering a total installed height of just 72mm — ideal where low ground clearance is required. The white nylon wheel rolls quietly and cleanly on hard floor surfaces, making it a practical fit for environments where floor protection and hygiene are considerations. The pressed steel bracket provides a rigid, non-swivelling mount that keeps equipment tracking in a straight line during transit.
- Light-duty trolleys and platform trucks in retail stockrooms and back-of-house areas
- Domestic and commercial shelving units requiring fixed directional movement
- Display stands and point-of-sale fixtures in retail environments
- Catering and hospitality equipment such as service trolleys and mobile prep stations
- Office storage units, filing cabinets, and mobile pedestals
- Laundry and linen trolleys in hotels, care homes, and healthcare facilities
- Lightweight workbenches and tool stands in workshops and educational settings
75mm Fixed Castor — White Nylon Wheel, 4-Hole Top Plate, 75 kg Load Capacity
Versatile general-purpose castor for everyday commercial, retail, and light industrial use| Castor Type | Fixed — Top Plate |
|---|---|
| Wheel Diameter (mm) | 75 |
| Total Castor Height (mm) | 100 |
| Load Capacity per Castor (kg) | 75 |
| Max Load — Set of 4 (kg) | 225 |
| Tread Width (mm) | 22 |
| Wheel Material | Nylon |
| Wheel Colour | White |
| Bearing Type | Plain |
| Bracket Material | Pressed Steel |
| Plate Length (mm) | 60 |
| Plate Width (mm) | 67 |
| Hole Centres — Length (mm) | 48 / 38 |
| Hole Centres — Width (mm) | 48 / 38 |
| Plate Hole Diameter (mm) | 6 |
| Number of Fixing Holes | 4 |
| Brake / Swivel Lock | None — Fixed |
The 75mm fixed castor steps up in both wheel diameter and total height — reaching 100mm installed — making it the preferred choice where slightly greater ground clearance is needed or where the equipment being fitted is heavier and requires a more substantial rolling contact patch. The larger wheel diameter also improves rollability over minor floor imperfections, reducing the effort required to move loaded equipment. With a 75 kg per-castor rating and a combined set-of-four capacity of 225 kg, this size covers a broad range of general commercial and light industrial applications.
- General-purpose warehouse trolleys, picking carts, and goods-movement equipment
- Commercial catering trolleys, bain-marie stands, and mobile kitchen equipment
- Retail gondola shelving, display units, and merchandising fixtures
- Healthcare and care home equipment including medication trolleys and linen carts
- Hospitality housekeeping trolleys and room service carts
- Office furniture including mobile storage units, printer stands, and AV trolleys
- Light industrial workstations, assembly benches, and component storage racks
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