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The Alpha is a swivel castor with total lock, designed for demanding industrial applications and equipped with a small rectangular plate fitting for secure mounting to equipment and trolleys. The housing is constructed from heavy steel sheet and incorporates two ball races within the swivel bearing assembly, ensuring smooth rotation and reliable directional control. The wheel features a 125 mm diameter and is mounted on a roller bearing, with an elastic tire of non-marking, vulcanised rubber that provides excellent grip and floor protection whilst minimising marking on sensitive surfaces. The wheel body is manufactured from polyamide, offering durability and resistance to wear in challenging environments. The castor achieves an overall height of 155 mm, making it suitable for integration into various equipment designs. Load capacity specifications indicate a static load rating of 500 kg and a dynamic load rating of 250 kg at speeds up to 4 km/h, providing robust performance for applications including automotive original equipment manufacturing, catering carts and meal delivery systems, container construction, electronic systems and clean-room technology, fire fighting and fire protection equipment, machine construction, post logistic systems, production and platform trolleys, roll cages, tool cabinets, transport equipment, waste disposal equipment, and work benches. This comprehensive specification ensures reliable operation across diverse industrial and commercial sectors.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3477UFR125P62
EAN
4031582305913
S4 Material Number
990003805
Core attributes
Type
Swivel castor with total lock
Overall width
75 mm
Load capacity at 4 km/h
250 kg
Load capacity Static
500 kg
Overall Height
155 mm
Temperature range (Maximum)
80 °C
Temperature range (Minimum)
-20 °C
Overall weight
1.19 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
105 mm
Plate width
80 mm
Housing
Housing Color
Blue passivated
Fork shape
Broad
Housing Material
Steel sheet, heavy
Swivel Bearing
Two ball races
Dome diameter
75 mm
Swivel interference
242 mm
Offset
40 mm
Swivel radius
121 mm
Wheel
Hardness of tread (A)
63 Shore A
Body material
Polyamide
Tread Material Mix
Elastic tire, non-marking, vulcanized
Tread width
40 mm
Diameter
125 mm
Body width
40 mm
Threadguards
Without threadguard
Axle
Screwed with nut
Bearing
Roller bearing
Wheel Color
Silver grey (RAL7001)
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.
Prevents unintended movement
Wheel lock for manual operation
Secured stand
Total lock for simultaneously locking the wheel and swivel housing.
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.
Non-marking movement
Wheels with reduced abrasion and little cleaning requirement.
Quiet rolling
Soft wheel versions for a quiet working environment.
Easy steering
Double ball bearing swivel head.
Low-vibration transport
Extra soft wheels with good shock absorbing properties.
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Accessories

Wheel 125 mm
Elastech
UER 125x40-Ø12

The Elastech Wheel is a castor wheel engineered for industrial applications, featuring a diameter of 125 mm with a tread width of 40 mm. The wheel comprises a polyamide body paired with a roller bearing for smooth operation, whilst the elastic tire is manufactured from black vulcanized material to ensure durability and grip. The hub measures 44 mm in length, and the axle incorporates a 12 mm hole diameter for secure mounting. This wheel is rated for a static load capacity of 500 kg and a dynamic load capacity of 250 kg at speeds up to 4 km/h, making it suitable for demanding material handling and transport applications where reliable performance and load stability are essential requirements.

125 mm
250 kg
125 mm
250 kg
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Matching Products

Swivel castor 125 mm
Alpha
3470UFR125P62

The Alpha swivel castor is a heavy-duty mobility solution engineered for demanding industrial applications, featuring a small rectangular plate fitting that ensures secure and straightforward installation onto equipment and transport systems. The housing is constructed from heavy steel sheet and incorporates two ball races within the swivel bearing assembly, providing smooth rotational movement and exceptional durability under continuous operational stress. The wheel comprises a 125 mm diameter design with a roller bearing that supports reliable performance, whilst the tread is manufactured from elastic, non-marking, vulcanised material that protects sensitive surfaces and maintains grip across diverse environments. The wheel body is fabricated from polyamide, delivering a balance of strength and lightweight characteristics essential for industrial mobility applications. With an overall height of 155 mm, the castor integrates seamlessly into equipment designs whilst maintaining optimal ergonomic clearance. The load capacity specifications reflect the castor's robust engineering: a static load capacity of 500 kg enables secure support of stationary equipment, whilst the dynamic load capacity of 250 kg at 4 km/h accommodates controlled movement across facilities. This swivel castor is ideally suited for automotive original equipment manufacturing, catering carts and meal delivery systems, container construction, electronic systems and clean-room technology, fire fighting and fire protection equipment, machine construction, post logistic systems, production and platform trolleys, roll cages, tool cabinets, transport equipment, waste disposal equipment, and work benches.

125 mm
155 mm
250 kg
125 mm
155 mm
250 kg
Fixed castor 125 mm
Alpha
3478UFR125P62

The Alpha is a fixed castor engineered for demanding industrial applications, featuring a small rectangular plate fitting that ensures secure and straightforward installation onto equipment and transport systems. The housing is constructed from heavy steel sheet, providing robust structural integrity and exceptional durability in challenging operational environments. The wheel assembly comprises a 125 mm diameter design mounted on a roller bearing, with an elastic tire featuring non-marking, vulcanised tread material that protects sensitive surfaces whilst delivering reliable traction and manoeuvrability. The tire body is manufactured from polyamide, offering excellent resistance to wear and chemical exposure. The overall height of the castor is 155 mm, accommodating standard equipment configurations and clearance requirements. This fixed castor demonstrates impressive load-bearing capabilities, with a static load capacity of 500 kg and a dynamic load capacity of 250 kg at speeds up to 4 km/h, making it suitable for a comprehensive range of industrial applications including automotive original equipment manufacturing, catering carts and meal delivery systems, container construction, electronic systems and clean-room technology, fire fighting technology and fire protection equipment, machine construction, post logistic systems, production and platform trolleys, roll cages, tool cabinets, transport equipment, waste disposal equipment, and work benches. The combination of heavy-duty materials, precision engineering, and substantial load ratings ensures reliable performance across diverse industrial sectors.

125 mm
155 mm
250 kg
125 mm
155 mm
250 kg