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The Omikron swivel caster features a rectangular plate fitting for secure mounting applications. The housing is constructed from cast iron, or iron forged, heavy material and incorporates a deep-groove ball thrust roller bearing swivel mechanism for smooth directional changes. The wheel assembly consists of a sheet steel, heavy body with a polyurethane, casted tread surface, mounted on precision ball bearings for optimal rolling performance. The wheel measures 15.75 inches in diameter, with an overall caster height of 18.5 inches. Load capacity specifications include dynamic ratings of 8465.74 lb at 2.5 mph and 7054.78 lb at 3.7 mph, with a static load capacity of 16931.48 lb. This heavy-duty caster is specifically designed for demanding applications in the aerospace industry, airport equipment, and heavy AGV systems where superior load handling and durability are essential.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
9250STP400P66
EAN
4031582314069
Core attributes
Type
Swivel castor
Load capacity at 4 km/h
8465.74 lb
Load capacity at 6 km/h
7054.78 lb
Load capacity Static
16931.48 lb
Overall height
18.5 in
Temperature range (Maximum)
140 °F
Temperature range (Minimum)
-4 °F
Overall weight
120.85 lb
Product name
Omikron
Standard
EN12533 - Heavy Duty Castors
Electric conductive
Stainless
Fitting
Fitting type
Rectangular plate
Plate hole diameter
0.67 in
Plate hole length (Maximum)
8.27 in
Plate hole width (Maximum)
6.3 in
Plate length
9.84 in
Plate width
7.87 in
Housing
Fork shape
Straight
Material
Cast iron, or iron forged, heavy
Swivel bearing
Deep-groove ball thrust roller bearing
Swivel interference
24.8 in
Offset
4.53 in
Swivel radius
12.4 in
Wheel
Hardness of tread (A)
92 Shore A
Body material
Sheet steel, heavy
Tread material
Polyurethane, casted
Tread width
3.94 in
Diameter
15.75 in
Threadguards
With threadguard
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
Strong construction
Housing made of heavy steel for high load capacity
Reliable traction
Traction-optimised treads for secure grip on wet and slippery floors
Secured mounting plate
Mounting plate secured with nut and bolt kingpin
Solid construction
Solid steel plate for maximum load capacity
Low-maintenance wheels
Thread guards for unobstructed operation with minimal cleaning effort
Non-marking movement
Wheels with reduced abrasion and minimal cleaning requirements
Ergonomically friendly use
Wheels with optimised rolling resistance to reduce user effort
Quick maintenance
Swivel bearings lubricated with long-life grease and fitted with grease nipple for easy maintenance
Long-lasting surfaces
High-quality galvanising for long service life under harsh conditions
Extra heavy duty construction
Welded solid steel construction for maximum load capacity
Heavy duty construction
Extra heavy steel housing for high load capacity
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Variants
Fixed castor 15.75 in
Fixed castor 15.75 in
Omikron
9258STP400P66

The Omikron fixed caster features a rectangular plate fitting and a cast iron, or iron forged, heavy housing construction for maximum durability in demanding industrial applications. The wheel assembly incorporates a sheet steel, heavy body with a polyurethane, casted tread material that provides excellent floor protection and smooth rolling performance, supported by precision ball bearings for reliable operation and extended service life. With a wheel diameter of 15.75 inches, the caster has an overall height of 18.5 inches, making it suitable for heavy-duty equipment and machinery. The dynamic load capacity reaches 8,465.74 lb at speeds up to 2.49 mph and 7,054.78 lb at speeds up to 3.73 mph, while the static load capacity is rated at 16,931.48 lb, ensuring reliable performance under substantial weight loads in industrial environments.

Extreme Heavy Duty
15.75 mm
18.5 mm
Extreme Heavy Duty
15.75 mm
18.5 mm