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Description
Product Overview
This 100mm pressed steel fixed castor delivers reliable, straight-line mobility for light- to medium-duty applications. Featuring a black rubber tread on a polypropylene wheel core, it combines floor-friendly operation with shock absorption and quiet rolling performance. The ball journal bearing ensures smooth movement under loads up to 75kg per castor, making it ideal for trolleys, carts, workbenches, and mobile equipment in warehouses, workshops, retail environments, and institutional settings.
Technical Specifications
Castor Configuration
| Castor Type | Fixed, Top Plate |
| Bearing Type | Ball Journal |
| Total Castor Height | 127 mm |
| Load Capacity (per castor) | 75 kg |
| Load Capacity (set of 4) | 225 kg |
Wheel Specifications
| Wheel Diameter | 100 mm |
| Tread Width | 30 mm |
| Wheel Material | Rubber on Polypropylene |
| Wheel Colour | Black |
| Tread Hardness | 85 Shore A |
Top Plate Dimensions & Mounting
| Plate Length | 100 mm |
| Plate Width | 85 mm |
| Plate Hole Centres | 60 mm ? 80 mm |
| Plate Hole Diameter | 10 mm |
Key Features & Benefits
- Fixed-Direction Stability: Engineered for straight-line travel, providing predictable movement and enhanced control in guided applications
- Floor-Friendly Rubber Tread: Black rubber surface protects delicate flooring from scuffing and marking while reducing operational noise
- Shock-Absorbing Performance: Rubber tread cushions impacts and vibrations, safeguarding transported goods and extending equipment lifespan
- Ball Journal Bearing: Precision bearing system ensures smooth, low-friction rolling with minimal maintenance requirements
- Durable Pressed Steel Construction: Robust steel frame delivers long-term reliability in demanding industrial and commercial environments
- Polypropylene Wheel Core: Lightweight yet strong core material resists moisture, chemicals, and corrosion for extended service life
- Standard 4-Bolt Top Plate: Universal mounting pattern ensures compatibility with a wide range of trolleys, carts, and equipment bases
Ideal Applications
This fixed castor excels in environments requiring controlled, directional movement. Common applications include:
Material handling trolleys, platform carts, tool cabinets, assembly line equipment
Display units, stock trolleys, service carts, mobile shelving systems
Workbenches, tool chests, equipment stands, mobile storage units
Cleaning carts, linen trolleys, equipment transport, mobile furniture
Frequently Asked Questions
What is the difference between a fixed castor and a swivel castor?
A fixed castor is designed to roll in a straight line only, providing directional stability and controlled movement. It cannot rotate or change direction. A swivel castor, by contrast, rotates 360 degrees around a vertical axis, allowing for multidirectional movement and enhanced manoeuvrability. Fixed castors are typically used on the rear of trolleys or carts, while swivel castors are mounted at the front for steering.
Can this castor be used on all floor types?
Yes, the black rubber tread is suitable for most common floor surfaces including concrete, tile, vinyl, laminate, and sealed wood. The soft rubber material protects floors from scuffing and marking, making it particularly well-suited for retail, office, and institutional environments. However, for extremely delicate surfaces such as polished marble or high-gloss finishes, consider testing in an inconspicuous area first or consulting with a flooring specialist.
How do I determine the correct load capacity for my application?
To calculate the required load capacity, first determine the total weight of your equipment plus the maximum load it will carry. Divide this total by the number of castors you plan to install, then add a safety margin of 25-30% to account for uneven weight distribution and dynamic forces during movement. For this castor rated at 75kg per unit, a typical four-castor configuration can safely support up to approximately 225kg total weight.
What fixings are required to mount this castor?
This castor features a standard 4-hole top plate with 10mm diameter mounting holes. You will need four M8 or M10 bolts (depending on your preference and equipment base thickness), along with corresponding washers and either nuts or threaded inserts. For optimal security, use grade 8.8 or higher bolts and ensure they are tightened to the manufacturer's recommended torque specification. The mounting surface should be flat, clean, and structurally sound to ensure proper load distribution.
All specifications are subject to manufacturing tolerances. Load capacities are based on even weight distribution across all castors and normal operating conditions. For specific application guidance or technical support, please contact our team.
About Us
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