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Description
100mm Fixed Castor — Grey Rubber on Polypropylene Wheel, 4-Bolt-Hole Top Plate, 80kg Load Capacity
Pressed Steel Zinc Plated Plate | Plain Bearing | Floor-Friendly Grey Rubber Tread
This 100mm fixed castor is a robust, non-swivel mobility solution designed for applications where straight-line directional movement is required. Fitted with a grey rubber tread bonded to a polypropylene core, it delivers quiet, floor-protective rolling performance across hard and semi-hard surfaces. The zinc-plated pressed steel top plate with a 4-bolt-hole fixing pattern makes installation straightforward on trolleys, industrial carts, furniture frames, shelving units, and workshop equipment. With an 80kg individual load rating — and a combined capacity of 240kg across four castors — this unit is well suited to both light industrial and commercial environments.
Key Features
?100mm Wheel Diameter — Balanced manoeuvrability and ground clearance for varied surfaces.
?80kg Load Capacity — Per castor; 240kg total when four castors are used.
?Grey Rubber on Polypropylene Wheel — Soft rubber tread protects floors and reduces rolling noise.
?Fixed (Non-Swivel) Design — Provides straight-line directional stability; no rotation of the wheel housing.
?Zinc Plated Pressed Steel Plate — Corrosion-resistant finish for longevity in demanding environments.
?4-Bolt-Hole Top Plate Fixing — Standard bolt pattern for secure, stable mounting.
?Plain Bearing — Low-maintenance rolling action; no lubrication required under normal use.
?122mm Total Castor Height — Consistent clearance height suitable for a wide range of equipment frames.
Technical Specifications
| Castor Type | Fixed (Non-Swivel) Top Plate Castor |
|---|---|
| Wheel Diameter | 100 mm |
| Wheel Material | Grey Rubber on Black Polypropylene |
| Wheel Colour | Grey |
| Tread Width | 24 mm |
| Total Castor Height | 122 mm |
| Bearing Type | Plain Bearing |
| Load Capacity (per castor) | 80 kg |
| Max Load Capacity (4 castors) | 240 kg |
| Plate Material & Finish | Pressed Steel, Zinc Plated |
| Plate Length | 60 mm |
| Plate Width | 67 mm |
| Plate Hole Centres — Length | 48 mm / 38 mm |
| Plate Hole Centres — Width | 48 mm / 38 mm |
| Plate Hole Diameter | 6 mm |
| Number of Bolt Holes | 4 |
| Fixing Method | 4-Bolt-Hole Top Plate |
Typical Applications
Warehouse & Industrial TrolleysProvides reliable straight-line movement for picking trolleys, platform trucks, and goods carts in warehouse and factory environments.
Furniture & CabinetrySuitable for chairs, tables, storage units, and display cabinets where controlled, directional mobility is preferred over free-swivel movement.
Workshop & Workbench EquipmentIdeal for tool benches, equipment stands, and mobile workstations that require stable, fixed-direction rolling.
Retail & Hospitality FitoutsUsed on display units, service trolleys, and hospitality carts where floor protection and quiet operation are priorities.
Frequently Asked Questions
What is the difference between a fixed castor and a swivel castor?
A fixed castor holds the wheel in a single, non-rotating direction — the wheel can only roll forwards and backwards in a straight line. A swivel castor has a rotating head that allows the wheel to turn 360 degrees, enabling multi-directional movement. Fixed castors are typically used in combination with swivel castors on the same piece of equipment: the fixed units provide directional stability while the swivel units allow steering.
Will this castor protect my floors from scratches or marks?
Yes. The grey rubber tread bonded to the polypropylene wheel core is specifically designed to be floor-friendly. The soft rubber compound absorbs surface irregularities, reduces rolling noise, and minimises the risk of scuffing or marking hard floor surfaces including timber, vinyl, tile, and sealed concrete. It is not intended for use on very soft or unfinished surfaces where the wheel may sink or leave impressions.
How do I fit this castor to my equipment?
This castor uses a 4-bolt-hole top plate fixing method. The zinc-plated pressed steel plate measures 60mm (length) x 67mm (width), with bolt hole centres of 48mm / 38mm on both axes and a hole diameter of 6mm. To fit, align the plate over your mounting surface, mark and drill four 6mm holes at the correct centres, then secure with appropriate bolts (not supplied). Always ensure the mounting surface is structurally sound and capable of supporting the intended load.
How many castors do I need, and what is the total load they can support?
Each castor in this range is rated to 80kg individually. When four castors are fitted to a single piece of equipment, the combined maximum load capacity is 240kg — not 320kg — as a safety margin is applied to account for uneven load distribution across the four mounting points. For equipment that will regularly carry loads close to the maximum, we recommend selecting a castor with a higher individual load rating to maintain a safe working margin.
Precision-engineered for dependable performance. This fixed castor is built to deliver consistent, low-maintenance mobility across a broad range of commercial and industrial applications. Every dimension has been manufactured to close tolerances, ensuring a secure fit, stable load bearing, and long service life — even under regular, demanding use.
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