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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 an elastic tire tread in black vulcanized rubber, supported by precision roller bearing technology for enhanced durability and performance. The wheel diameter measures 4.92 inches, while the overall height of the complete caster unit is 6.1 inches. Load capacity specifications include a dynamic rating of 551.16 lb at speeds up to 2.49 mph and a static load capacity of 1102.31 lb, making this caster suitable for demanding industrial applications including automotive OEM, catering carts, container construction, electronic systems, machine construction, transport equipment, and various specialized trolley systems.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3477UEJ125P62 T/G-small
EAN
4031582376937
S4 Material Number
990032388
Core attributes
Type
Swivel castor with total lock
Overall width
2.95 in
Load capacity at 4 km/h
551.16 lb
Load capacity Static
1102.31 lb
Overall height
6.1 in
Temperature range (Maximum)
176 °F
Temperature range (Minimum)
-4 °F
Overall weight
2.59 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
4.13 in
Plate width
3.15 in
Housing
Color
Blue passivated
Fork shape
Broad
Material
Steel sheet, heavy
Swivel bearing
Two ball races
Dome diameter
2.95 in
Swivel interference
9.69 in
Offset
1.57 in
Swivel radius
4.84 in
Wheel
Hardness of tread (A)
63 Shore A
Body material
Polyamide
Tread material
Elastic tire, black, vulcanized
Tread width
1.57 in
Diameter
4.92 in
Body width
1.57 in
Threadguards
With threadguard
Axle
Screwed with nut
Bearing
Roller bearing
Wheel color
Silver gray (RAL7001)
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
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 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-maintenance wheels
Thread guards for unobstructed operation with minimal cleaning effort
Quiet rolling
Soft wheel versions for a quiet working environment
Easy steering
Swivel head with double ball bearings
Low-vibration transport
Extra soft wheels with good shock-absorbing properties
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Accessories

Wheel 4.92 in
Elastech
UER 125x40-Ø12

The Elastech caster wheel features a diameter of 4.92 inches with a tread width of 1.57 inches, constructed with a polyamide body and an elastic tire, black, vulcanized tread material. The wheel incorporates a roller bearing system with an axle hole diameter of 0.47 inches and a hub length of 1.73 inches. Load capacity specifications include a dynamic load rating of 551.16 lb at speeds up to 2.49 mph and a static load capacity of 1102.31 lb, making it suitable for demanding industrial applications requiring reliable mobility and load-bearing performance.

4.92 mm
Medium Duty
4.92 mm
Medium Duty
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Crossselling

Variants
Fixed castor 4.92 in
Fixed castor 4.92 in
Alpha
3478UEJ125P62 T/G small

The Alpha is a heavy duty castor with a rectangular plate fitting and a housing made of steel sheet. It has polyamide wheel bodies with black, vulcanized elastic tire treads. The wheels use roller bearings and have a diameter of 4.92 inches. The overall height of the castor is 6.1 inches. At a speed of 4 km/h, the Alpha has a load capacity of 551.16 lb. Under static load conditions, it can support up to 1102.31 lb. The rectangular base plate and durable construction make this castor ideal for use in industrial settings where heavy loads need to be transported across rough surfaces.

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