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The Alpha fixed castor features a small rectangular plate fitting for secure mounting applications. The housing is constructed from heavy steel sheet material, providing robust structural integrity for demanding industrial environments. The wheel incorporates a sheet steel body with solid rubber tread in black that offers electric-conductive properties, mounted on precision roller bearings for smooth operation and extended service life. The wheel diameter measures 125 mm with an overall height of 155 mm, ensuring optimal ground clearance and manoeuvrability. Load specifications include a dynamic capacity of 100 kg at speeds up to 4 km/h and a static load rating of 200 kg, making it suitable for automotive OEM applications, catering carts, container construction, electronic systems, fire fighting technology, machine construction, post logistics, production trolleys, roll cages, tool cabinets, transport equipment, waste disposal systems, and work benches.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3478DYR125P62
EAN
4031582365498
S4 Material Number
990028778
Core attributes
Type
Fixed castor
Overall width
85 mm
Load capacity at 4 km/h
100 kg
Load capacity Static
200 kg
Overall height
155 mm
Temperature range (Maximum)
85 °C
Temperature range (Minimum)
-20 °C
Overall weight
0.92 kg
Product name
Alpha
Standard
EN12532 - Transport Equipment
Electric conductive
Stainless
Fitting
Fitting type
Small rectangular plate
Plate hole diameter
9 mm
Plate hole length (Maximum)
60 mm
Plate hole length (Minimum)
77 mm
Plate hole width (Maximum)
80 mm
Plate hole width (Minimum)
77 mm
Plate length
103 mm
Plate width
85 mm
Housing
Colour
Blue passivated
Fork shape
Broad
Material fork
Steel sheet, heavy
Wheel
Hardness of tread (A)
80 Shore A
Body material
Sheet Steel
Tread material
Solid rubber, black, electric-conductive
Tread width
37 mm
Diameter
125 mm
Body width
37 mm
Threadguards
Without threadguard
Axle
Screwed with nut
Bearing
Roller bearing
Wheel color
Blue passivated
special-features-image
Special Features
Non-hazardous materials
Complies with RoHS and REACH regulations. Does not contain polycyclic aromatic carbons or chromium (VI).
Tested quality
Tested in our own laboratory for compliance with European standards.
Solid housing
Made of pressed steel, zinc plated.
Variable fitting options
Different fitting dimensions for a large range of applications.
Resource-conserving part replacement
Threaded axles allow effortless wheel change.
Uninterrupted use
Swivel bearing with dust ring for continuous, uninterrupted movement.
Certified conductivity
Conductive version to protect users and electrical devices from electrostatic discharge.
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Variants
Swivel castor with total lock 125 mm
Swivel castor with total lock 125 mm
Alpha
3477DYR125P62

The Alpha swivel castor with total lock features a small rectangular plate fitting for secure mounting applications. The housing is constructed from heavy steel sheet and incorporates a robust two ball races swivel bearing system for smooth directional changes and reliable locking functionality. The wheel assembly comprises a sheet steel body fitted with solid rubber tread in black with electric-conductive properties, mounted on precision roller bearings for enhanced durability and reduced rolling resistance. The 125mm diameter wheel provides optimal manoeuvrability whilst maintaining structural integrity. With an overall height of 155mm, this castor offers compact installation whilst delivering substantial load handling capabilities. The dynamic load capacity reaches 100kg at speeds up to 4km/h, whilst the static load capacity extends to 200kg, making it suitable for demanding industrial applications including automotive OEM, catering carts, container construction, electronic systems, fire fighting technology, machine construction, logistics systems, production trolleys, roll cages, tool cabinets, transport equipment, waste disposal systems, and work benches.

125 mm
Light Duty | < 150 kg
155 mm
125 mm
Light Duty | < 150 kg
155 mm