50mm Pressed Steel Small Fixed Castor Wheel - Black Polypropylene Wheel & 4-Bolt-Hole - 65kg Max Load

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50mm Pressed Steel Fixed Castor ? Black Polypropylene Wheel, 4-Bolt Top Plate, 65 kg Load Capacity

A compact, robust fixed castor engineered for reliable straight-line mobility across furniture, display units, and light industrial equipment. Constructed with a pressed steel top plate and a durable polypropylene wheel, this castor delivers consistent, low-maintenance performance in commercial and domestic settings alike.

Product Overview

This 50 mm fixed castor is purpose-built for applications where controlled, directional movement is required. Unlike swivel castors, the fixed configuration keeps the wheel aligned in a single plane, making it the preferred choice for the rear positions of trolleys, carts, and furniture frames where straight tracking is essential.

The pressed steel top plate provides a rigid, secure mounting surface, while the 4-bolt hole pattern ensures a firm, vibration-resistant connection to the host structure. The black polypropylene wheel offers a practical balance of hardness and resilience, performing reliably on smooth concrete, tile, vinyl, and laminate flooring without marking or excessive noise. With a rated load capacity of 65 kg per castor and a combined capacity of 195 kg across a set of four, this unit is well suited to a broad range of light-to-medium duty tasks.

Commonly specified for office furniture, retail display stands, hospitality trolleys, workshop benches, and storage units, this fixed castor is a dependable, cost-effective mobility solution for everyday professional use.

Key Features

  • Castor Type Fixed ? maintains a constant direction of travel for straight-line movement
  • Wheel Diameter 50 mm ? compact footprint suited to tight spaces and low-clearance frames
  • Wheel Material Black polypropylene ? hard-wearing, lightweight, and resistant to everyday abrasion
  • Wheel Colour Black ? clean, neutral finish compatible with most furniture and equipment aesthetics
  • Tread Width 22 mm ? provides stable ground contact and even load distribution
  • Bearing Type Plain bearing ? simple, maintenance-free construction for standard duty applications
  • Top Plate Pressed steel, 4-bolt hole pattern ? rigid mounting with secure bolt-down fixing
  • Total Castor Height 72 mm ? low-profile design that minimises frame elevation
  • Load Capacity 65 kg per castor / 195 kg for a set of four

Technical Specifications

Specification Value
Castor Type Top Plate Fixed Castor
Bearing Type Plain
Wheel Diameter 50 mm
Wheel Material Polypropylene
Wheel Colour Black
Tread Width 22 mm
Total Castor Height 72 mm
Load Capacity (per castor) 65 kg
Max Load Capacity (4 castors) 195 kg
Plate Type Pressed Steel Top Plate
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
Plate Finish Zinc Plated

Typical Applications

  • Office Furniture ? desks, filing cabinets, and mobile pedestals requiring controlled directional movement
  • Retail Display Units ? gondola shelving, display stands, and point-of-sale fixtures that need repositioning
  • Hospitality Trolleys ? service carts and linen trolleys in hotels, restaurants, and catering environments
  • Workshop & Storage Equipment ? tool benches, parts bins, and storage racks on smooth workshop floors
  • Light Industrial Carts ? picking trolleys, assembly line carts, and warehouse dollies with moderate load requirements

Frequently Asked Questions

What is the difference between a fixed castor and a swivel castor?
A fixed castor has a wheel that rotates in one direction only, keeping the load moving in a straight line. A swivel castor includes a rotating head that allows the wheel to turn 360°, enabling multi-directional movement. Fixed castors are typically used in combination with swivel castors ? for example, two fixed castors at the rear and two swivel castors at the front of a trolley ? to provide both directional stability and manoeuvrability.
How do I fit this castor to my furniture or equipment?
This castor uses a 4-bolt top plate fixing method. The pressed steel plate measures 60 mm (length) x 67 mm (width), with bolt hole centres of 48 mm or 38 mm in both directions and a hole diameter of 6 mm. To fit, align the plate with the pre-drilled holes on your furniture or equipment frame and secure using four M6 bolts (not included). Ensure the mounting surface is flat and structurally sound to achieve the rated load capacity.
Is this castor suitable for use on hard floors such as tile, concrete, or laminate?
Yes. The polypropylene wheel is well suited to smooth, hard floor surfaces including tile, sealed concrete, vinyl, and laminate. It rolls quietly and does not leave marks under normal operating conditions. It is not recommended for use on soft or uneven surfaces such as carpet, gravel, or outdoor terrain, where a softer wheel material would be more appropriate.
How many castors do I need, and what is the combined load capacity?
Each castor is rated to carry 65 kg. When four castors are used together, the combined maximum load capacity is 195 kg. Note that the combined figure is not simply four times the individual rating ? a safety margin is applied to account for uneven load distribution across the four mounting points. Always ensure the total weight of the loaded item does not exceed 195 kg when using a set of four of these castors.

* All measurements are nominal. Load capacities are based on static conditions on flat, smooth surfaces at ambient temperature. For dynamic or high-cycle applications, consult load ratings with an appropriate safety factor applied.

Download Spec Sheet

PDF with image, specifications & dimensions

Specifications
SKU RC_IPN119
Brand Industrial Products UK
Product Type Castors & Wheels
Title Default Title
What's Included
  • 50mm Pressed Steel Small Fixed Castor Wheel - Black Polypropylene Wheel & 4-Bolt-Hole - 65kg Max Load
  • All components as described
  • VAT invoice for business accounting
  • Product documentation (where applicable)
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Description

50mm Pressed Steel Fixed Castor ? Black Polypropylene Wheel, 4-Bolt Top Plate, 65 kg Load Capacity

A compact, robust fixed castor engineered for reliable straight-line mobility across furniture, display units, and light industrial equipment. Constructed with a pressed steel top plate and a durable polypropylene wheel, this castor delivers consistent, low-maintenance performance in commercial and domestic settings alike.

Product Overview

This 50 mm fixed castor is purpose-built for applications where controlled, directional movement is required. Unlike swivel castors, the fixed configuration keeps the wheel aligned in a single plane, making it the preferred choice for the rear positions of trolleys, carts, and furniture frames where straight tracking is essential.

The pressed steel top plate provides a rigid, secure mounting surface, while the 4-bolt hole pattern ensures a firm, vibration-resistant connection to the host structure. The black polypropylene wheel offers a practical balance of hardness and resilience, performing reliably on smooth concrete, tile, vinyl, and laminate flooring without marking or excessive noise. With a rated load capacity of 65 kg per castor and a combined capacity of 195 kg across a set of four, this unit is well suited to a broad range of light-to-medium duty tasks.

Commonly specified for office furniture, retail display stands, hospitality trolleys, workshop benches, and storage units, this fixed castor is a dependable, cost-effective mobility solution for everyday professional use.

Key Features

  • Castor Type Fixed ? maintains a constant direction of travel for straight-line movement
  • Wheel Diameter 50 mm ? compact footprint suited to tight spaces and low-clearance frames
  • Wheel Material Black polypropylene ? hard-wearing, lightweight, and resistant to everyday abrasion
  • Wheel Colour Black ? clean, neutral finish compatible with most furniture and equipment aesthetics
  • Tread Width 22 mm ? provides stable ground contact and even load distribution
  • Bearing Type Plain bearing ? simple, maintenance-free construction for standard duty applications
  • Top Plate Pressed steel, 4-bolt hole pattern ? rigid mounting with secure bolt-down fixing
  • Total Castor Height 72 mm ? low-profile design that minimises frame elevation
  • Load Capacity 65 kg per castor / 195 kg for a set of four

Technical Specifications

Specification Value
Castor Type Top Plate Fixed Castor
Bearing Type Plain
Wheel Diameter 50 mm
Wheel Material Polypropylene
Wheel Colour Black
Tread Width 22 mm
Total Castor Height 72 mm
Load Capacity (per castor) 65 kg
Max Load Capacity (4 castors) 195 kg
Plate Type Pressed Steel Top Plate
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
Plate Finish Zinc Plated

Typical Applications

  • Office Furniture ? desks, filing cabinets, and mobile pedestals requiring controlled directional movement
  • Retail Display Units ? gondola shelving, display stands, and point-of-sale fixtures that need repositioning
  • Hospitality Trolleys ? service carts and linen trolleys in hotels, restaurants, and catering environments
  • Workshop & Storage Equipment ? tool benches, parts bins, and storage racks on smooth workshop floors
  • Light Industrial Carts ? picking trolleys, assembly line carts, and warehouse dollies with moderate load requirements

Frequently Asked Questions

What is the difference between a fixed castor and a swivel castor?
A fixed castor has a wheel that rotates in one direction only, keeping the load moving in a straight line. A swivel castor includes a rotating head that allows the wheel to turn 360°, enabling multi-directional movement. Fixed castors are typically used in combination with swivel castors ? for example, two fixed castors at the rear and two swivel castors at the front of a trolley ? to provide both directional stability and manoeuvrability.
How do I fit this castor to my furniture or equipment?
This castor uses a 4-bolt top plate fixing method. The pressed steel plate measures 60 mm (length) x 67 mm (width), with bolt hole centres of 48 mm or 38 mm in both directions and a hole diameter of 6 mm. To fit, align the plate with the pre-drilled holes on your furniture or equipment frame and secure using four M6 bolts (not included). Ensure the mounting surface is flat and structurally sound to achieve the rated load capacity.
Is this castor suitable for use on hard floors such as tile, concrete, or laminate?
Yes. The polypropylene wheel is well suited to smooth, hard floor surfaces including tile, sealed concrete, vinyl, and laminate. It rolls quietly and does not leave marks under normal operating conditions. It is not recommended for use on soft or uneven surfaces such as carpet, gravel, or outdoor terrain, where a softer wheel material would be more appropriate.
How many castors do I need, and what is the combined load capacity?
Each castor is rated to carry 65 kg. When four castors are used together, the combined maximum load capacity is 195 kg. Note that the combined figure is not simply four times the individual rating ? a safety margin is applied to account for uneven load distribution across the four mounting points. Always ensure the total weight of the loaded item does not exceed 195 kg when using a set of four of these castors.

* All measurements are nominal. Load capacities are based on static conditions on flat, smooth surfaces at ambient temperature. For dynamic or high-cycle applications, consult load ratings with an appropriate safety factor applied.

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50mm Pressed Steel Small Fixed Castor Wheel - Black Polypropylene Wheel & 4-Bolt-Hole - 65kg Max Load
50mm Pressed Steel Small Fixed Castor... £9.99 £12.67✓ In Stock
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