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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 dual ball race swivel bearing system for smooth directional movement and enhanced durability. The wheel assembly consists of an aluminum body fitted with a black vulcanized elastic tire tread, supported by precision ball bearings for optimal rolling performance. The wheel measures 4.92 inches in diameter, while the overall caster height is 6.34 inches. Load specifications include a dynamic capacity of 661.39 pounds at speeds up to 2.49 miles per hour and a static load rating of 1322.77 pounds, making this caster suitable for demanding industrial and commercial mobility applications.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3470IEP125P63 TFR
EAN
4031582390841
Core attributes
Type
Swivel castor
Load capacity at 4 km/h
661.39 lb
Load capacity Static
1322.77 lb
Overall height
6.34 in
Temperature range (Maximum)
185 °F
Temperature range (Minimum)
-4 °F
Overall weight
4.94 lb
Product name
Alpha
Standard
EN12532 - Transport Equipment
Electric conductive
Stainless
Fitting
Fitting type
Rectangular plate
Plate hole diameter
0.43 in
Plate hole length (Maximum)
4.13 in
Plate hole width (Maximum)
3.15 in
Plate hole width (Minimum)
2.95 in
Plate length
5.39 in
Plate width
4.13 in
Housing
Fork shape
Broad
Material
Steel sheet, heavy
Swivel bearing
Two ball races
Swivel interference
9.25 in
Offset
2.17 in
Swivel radius
4.63 in
Wheel
Hardness of tread (A)
67 Shore A
Body material
Aluminum
Tread material
Elastic tire, black, vulcanized
Tread width
1.97 in
Diameter
4.92 in
Threadguards
Without threadguard
Axle
Screwed with nut
Bearing
Precision ball bearing
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
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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Crossselling

Variants
Swivel castor with total lock 4.92 in
Swivel castor with total lock 4.92 in
Alpha
3477IEP125P63 TFR

The Alpha is a swivel caster with total lock functionality, designed for demanding industrial applications. The caster features a rectangular plate fitting that provides secure mounting to equipment frames. The housing is constructed from heavy steel sheet material and incorporates a dual ball race swivel bearing system for smooth directional movement and enhanced durability. The wheel assembly consists of an aluminum body fitted with a black vulcanized elastic tire tread, supported by precision ball bearings for reliable operation. The wheel measures 4.92 inches in diameter, while the overall caster height is 6.34 inches. Load specifications include a dynamic capacity of 661.39 pounds at speeds up to 2.49 miles per hour, with a static load rating of 1322.77 pounds, making this caster suitable for heavy-duty material handling applications.

4.92 mm
Medium Duty
6.34 mm
4.92 mm
Medium Duty
6.34 mm
Variants
Fixed castor 4.92 in
Fixed castor 4.92 in
Alpha
3478IEP125P63 TFR

The Alpha Fixed Caster features a 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 an aluminum body with a black vulcanized elastic tire tread, supported by precision ball bearings for smooth operation and extended service life. The wheel diameter measures 4.92 inches. Overall height dimensions are 6.34 inches from mounting surface to top. Load specifications include a dynamic load capacity of 661.39 pounds at speeds up to 2.49 miles per hour, with a static load capacity of 1322.77 pounds. This heavy-duty caster design combines durable materials with precision engineering to deliver reliable performance in industrial material handling applications requiring fixed directional movement.

4.92 mm
Medium Duty
6.34 mm
4.92 mm
Medium Duty
6.34 mm