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The Alpha fixed caster features a rectangular plate fitting for secure mounting applications. The housing is constructed from heavy steel sheet material, providing robust durability for demanding industrial environments. The wheel incorporates a polypropylene body with tread material identical to the wheel body, equipped with precision roller bearing technology for smooth operation. The wheel measures 4.25 inches in diameter, while the overall height of the caster assembly is 5.2 inches. Load specifications include a dynamic capacity of 330.69 lb at speeds up to 2.49 mph and a static load capacity of 661.39 lb. This caster is engineered for diverse 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.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3478POJ108P62 T/G-small
EAN
4031582306613
S4 Material Number
990000936
Core attributes
Type
Fixed castor
Overall width
3.35 in
Load capacity at 4 km/h
330.69 lb
Load capacity Static
661.39 lb
Overall height
5.2 in
Temperature range (Maximum)
140 °F
Temperature range (Minimum)
-4 °F
Overall weight
0.89 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
Swivel bearing
Two ball races
Wheel
Hardness of tread (D)
65 Shore D
Body material
Polypropylene
Tread material
Identical with wheel body
Tread width
1.42 in
Diameter
4.25 in
Body width
1.42 in
Threadguards
With threadguard
Axle
Screwed with nut
Bearing
Roller bearing
Wheel color
Graphite black (RAL9011)
special-features-image
Special Features
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
Low wear and tear wheels
Durable wheels with extremely low wear
Low-maintenance wheels
Thread guards for unobstructed operation with minimal cleaning effort
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Accessories

Wheel 4.25 in
Basetech
POR 108x36-Ø12 HL44,4

The Basetech caster wheel features a 4.25 in diameter with a 1.42 in tread width and 1.75 in hub length, constructed from polypropylene body material with an identical tread material composition. The wheel incorporates a roller bearing system and has an axle hole diameter of 0.47 in for secure mounting. Load specifications include a dynamic capacity of 352.74 lb at speeds up to 2.49 mph and a static load capacity of 705.48 lb, making it suitable for medium-duty industrial and commercial applications.

4.25 in
353 lb
4.25 in
353 lb