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The Kappa load is a swivel caster with directional lock designed for heavy-duty applications. The caster features a rectangular plate fitting for secure mounting. The housing is constructed from cast iron or iron forged heavy material and incorporates a deep-groove ball thrust roller bearing for smooth swivel operation. The wheel assembly consists of a heavy polyamide body with matching polyamide tread material, supported by plain bearings for reliable rotation. The wheel measures 4.92 inches in diameter. The overall height of the complete caster assembly is 6.69 inches. Load specifications include a static capacity of 3,703.76 lb and dynamic capacities of 1,851.88 lb at 2.5 mph and 1,543.23 lb at 3.7 mph, making it suitable for demanding industrial applications requiring high load-bearing performance with controlled directional movement.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
9651TOO125P63
EAN
4031582348767
Core attributes
Type
Swivel castor with directional lock
Load capacity at 4 km/h
1851.88 lb
Load capacity at 6 km/h
1543.23 lb
Load capacity Static
3703.76 lb
Overall height
6.69 in
Temperature range (Maximum)
176 °F
Temperature range (Minimum)
-40 °F
Product name
Kappa load
Standard
EN12533 - Heavy Duty Castors
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
5.31 in
Plate width
4.33 in
Housing
Fork shape
Broad, reinforced
Material
Cast iron, or iron forged, heavy
Swivel bearing
Deep-groove ball thrust roller bearing
Swivel interference
5.65 in
Offset
1.89 in
Wheel
Hardness of tread (D)
75 Shore D
Body material
Polyamide, heavy
Tread material
Identical with wheel body
Tread width
1.97 in
Diameter
4.92 in
Threadguards
Without threadguard
Axle
Screwed with nut
Bearing
Plain 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
Strong construction
Housing made of heavy steel for high load capacity
Low wear and tear wheels
Durable wheels with extremely low wear
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Accessories

Accessory
Directional lock
Directional lock 9651/9681

This Accessory is designed as a specialized component for caster applications, providing enhanced functionality and performance for mobile equipment systems. Engineered with precision manufacturing standards, this accessory integrates seamlessly with existing caster assemblies to optimize operational efficiency and durability. The unit features a compact, lightweight construction with a total weight of 0.62 lb, making it suitable for applications where weight considerations are critical while maintaining structural integrity and reliable performance characteristics.

Accessory
Foot protection
Foot Protection Ø125

This Accessory is designed as a specialized component for caster applications, engineered to enhance functionality and performance in mobile equipment systems. Weighing 1.19 lb, this accessory provides reliable integration with standard caster assemblies while maintaining optimal weight distribution for smooth operation. The unit's construction ensures compatibility with various caster configurations.

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Crossselling

Variants
Swivel castor 4.92 in
Swivel castor 4.92 in
Kappa load
9650TOO125P63

The Kappa load swivel caster features a rectangular plate fitting for secure mounting applications. The housing is constructed from cast iron or iron forged heavy-duty material, incorporating a deep-groove ball thrust roller bearing swivel mechanism for smooth directional changes under load. The wheel assembly consists of a heavy polyamide body with matching polyamide tread material, utilizing plain bearing technology for reliable operation. The wheel measures 4.92 inches in diameter, providing excellent ground contact and maneuverability. Overall height dimensions reach 6.69 inches from mounting surface to top. Load specifications include dynamic capacity ratings of 1851.88 pounds at 2.49 mph and 1543.23 pounds at 3.73 mph operating speeds, while static load capacity reaches 3703.76 pounds maximum. This heavy-duty caster design delivers robust performance for demanding industrial applications requiring high load capacity and reliable swivel functionality.

4.92 mm
6.69 mm
Heavy Duty
4.92 mm
6.69 mm
Heavy Duty
Variants
Swivel castor with total lock, head end of castor 4.92 in
Swivel castor with total lock, head end of castor 4.92 in
Kappa load
9652TOO125P63

The Kappa load is a swivel caster with total lock positioned at the head end of the caster assembly. The unit features a rectangular plate fitting for secure mounting applications. The housing is constructed from heavy-duty cast iron or forged iron material and incorporates a deep-groove ball thrust roller bearing for the swivel mechanism, ensuring smooth rotational movement under load. The wheel assembly consists of a heavy polyamide body with an identical polyamide tread material, utilizing a plain bearing system for reliable operation. The wheel measures 4.92 inches in diameter. The overall height of the complete caster assembly is 6.69 inches. Load specifications include dynamic load capacities of 1851.88 lb at 2.49 mph and 1543.23 lb at 3.73 mph operating speeds. The static load capacity is rated at 3703.76 lb, making this caster suitable for heavy-duty industrial applications requiring both mobility and secure locking functionality.

4.92 mm
6.69 mm
Heavy Duty
4.92 mm
6.69 mm
Heavy Duty