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The Alpha fixed caster features a rectangular plate fitting and a heavy steel sheet housing for robust industrial applications. The wheel incorporates a polyamide body with injected polyurethane tread material, mounted on precision roller bearings for smooth operation. With a 4.92-inch wheel diameter, the unit provides an overall height of 6.1 inches. Load specifications include a dynamic capacity of 440.92 lb at speeds up to 2.49 mph and a static load capacity of 881.85 lb. This versatile caster is engineered for demanding environments including automotive OEM, catering carts and meal delivery systems, container construction, electronic systems and clean-room technology, fire fighting technology and fire protection, machine construction, post logistic systems, production and platform trolleys, roll cages, tool cabinets, transport equipment, waste disposal equipment, and work benches.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3478UAR125P62 natural/3004
EAN
4031582306842
S4 Material Number
990039102
Core attributes
Type
Fixed castor
Overall width
3.35 in
Load capacity at 4 km/h
440.92 lb
Load capacity Static
881.85 lb
Overall height
6.1 in
Temperature range (Maximum)
176 °F
Temperature range (Minimum)
-13 °F
Overall weight
1.38 lb
Product name
Alpha
Standard
EN12532 - Transport Equipment
Electric conductive
Stainless
Fitting
Fitting type
Rectangular plate
Plate hole diameter
0.35 in
Plate hole length (Maximum)
2.36 in
Plate hole length (Minimum)
3.03 in
Plate hole width (Maximum)
3.15 in
Plate hole width (Minimum)
3.03 in
Plate length
4.06 in
Plate width
3.35 in
Housing
Color
Blue passivated
Fork shape
Broad
Material
Steel sheet, heavy
Wheel
Hardness of tread (A)
92 Shore A
Hardness of tread (D)
42 Shore D
Body material
Polyamide
Tread material
Polyurethane, injected
Tread width
1.26 in
Diameter
4.92 in
Body width
1.26 in
Threadguards
Without threadguard
Axle
Screwed with nut
Bearing
Roller bearing
Wheel color
Natural white
special-features-image
Special Features
detail.specialFeatures.subtitle
Non-hazardous materials
Complies with RoHS and REACH regulations. Does not contain polycyclic aromatic hydrocarbons 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 wide 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 minimal cleaning requirements
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Accessories

Wheel 4.92 in
Maxtech
UAR 125x32-Ø12 HL44,4

The Maxtech caster wheel features a 4.92 in diameter with a 1.26 in wide polyurethane injected tread and polyamide body construction. The wheel incorporates a roller bearing system with a 0.47 in axle hole diameter and 1.75 in hub length. Load specifications include a dynamic capacity of 440.92 lb at speeds up to 2.49 mph and a static load capacity of 881.85 lb, making it suitable for demanding industrial applications requiring reliable mobility and substantial weight-bearing performance.

4.92 mm
Medium Duty
4.92 mm
Medium Duty
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Crossselling

Variants
Swivel castor 4.92 in
Swivel castor 4.92 in
Alpha
3470UAR125P62 natural/3004

The Alpha swivel caster features a rectangular plate fitting for secure mounting applications. The housing is constructed from heavy steel sheet material and incorporates a two ball races swivel bearing system for smooth directional movement. The wheel assembly consists of a polyamide body with injected polyurethane tread material, mounted on a roller bearing for enhanced durability and reduced rolling resistance. The wheel diameter measures 4.92 inches, while the overall height of the complete assembly is 6.1 inches. Load capacity specifications include a dynamic load rating of 440.92 lb at speeds up to 2.49 mph and a static load capacity of 881.85 lb. This caster is designed for diverse industrial applications including automotive OEM, catering carts and meal delivery systems, container construction, electronic systems and clean-room technology, fire fighting technology and fire protection, machine construction, post logistic systems, production and platform trolleys, roll cages, tool cabinets, transport equipment, waste disposal equipment, and work benches.

4.92 mm
Medium Duty
6.1 mm
4.92 mm
Medium Duty
6.1 mm
Variants
Swivel castor with total lock 4.92 in
Swivel castor with total lock 4.92 in
Alpha
3477UAR125P62 natural/3004

The Alpha swivel caster with total lock features a rectangular plate fitting for secure mounting applications. The housing is constructed from heavy steel sheet material and incorporates a two ball races swivel bearing system for smooth directional movement and reliable locking functionality. The wheel assembly consists of a polyamide body with injected polyurethane tread material, providing excellent floor protection and quiet operation, while the integrated roller bearing ensures long-lasting performance and reduced rolling resistance. The caster has a wheel diameter of 4.92 inches and an overall height of 6.1 inches. Load specifications include a dynamic capacity of 440.92 lb at speeds up to 2.49 mph and a static load capacity of 881.85 lb, making it suitable for demanding applications including automotive OEM, catering carts, container construction, electronic systems, machine construction, transport equipment, and various industrial trolley systems.

4.92 mm
Medium Duty
6.1 mm
4.92 mm
Medium Duty
6.1 mm