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Swivel caster with central, total or directional lock 4.92 in

Integral twin torsion
Order number: 990039670
detail.eanLabel 4031582382549
Product number: 3944UAC125R36-32S30 D 7001 4xM6 OP
  • Non-hazardous materials
  • Tested quality
  • Award-winning design
The Integral twin torsion is a swivel caster with central, total or directional lock designed for demanding medical and laborato... Details
Features
  • 4.92 in
  • 5.87 in
  • 276 lb
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The Integral twin torsion is a swivel caster with central, total or directional lock designed for demanding medical and laboratory applications including C-Arms, CT Scanners, MRI, X-Ray systems, hospital beds, microscopic equipment, surgery robots, and surgery tables. The fitting features a stem with cam hole for profile bars in short version configuration, with the important note that washable beds must be sealed in the fitting area by the hospital bed manufacturer to ensure proper functionality and hygiene compliance. The housing is constructed from heavy steel sheet with a precision ball bearing in the swivel mechanism, providing durability and smooth rotational performance in high-use medical environments. The wheel assembly incorporates a 4.92 inch diameter design with an injected polyurethane tread material mounted on a polyamide body, supported by a precision stainless steel ball bearing that ensures reliable operation and extended service life. The overall height of the caster measures 5.87 inches, allowing for proper integration into various medical equipment configurations. The caster delivers a static load capacity of 826.73 pounds and dynamic load capacities of 275.58 pounds at 2.5 miles per hour and 275.58 pounds at 1.9 miles per hour, making it suitable for supporting heavy medical equipment while maintaining precise directional control and smooth mobility in clinical settings.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
3944UAC125R36-32S30 D 7001 4xM6 OP
EAN
4031582382549
S4 Material Number
990039670
Core attributes
Certification
Tested and monitored by TÜV Süd
Type
Swivel caster with central, total or directional lock
Overall width
2.48 in
Load capacity at 3 km/h
275.58 lb
Load capacity at 4 km/h
275.58 lb
Load capacity Static
826.73 lb
Overall Height
5.87 in
Temperature range (Maximum)
176 °F
Temperature range (Minimum)
-13 °F
Overall weight
2.99 lb
Product name
Integral twin torsion
Standard
EN12531 - Hospital Bed Castors
Electric conductive
Stainless
Fitting
Bolt mounting holes quantity
4
Hint
Washable beds must be sealed in the fitting area by the hospital bed manufacturer.
Fitting type
Stem with cam hole for profile bars, short version
Bolt diameter
1.26 in
Bolt length
2.01 in
Bolt thread position
0.28 in
Housing
Housing Color
Silver gray (RAL7001)
Fork shape
Twin wheel housing
Housing Material
Steel sheet, heavy
Swivel bearing
Precision ball bearing
Dome diameter
2.36 in
Swivel interference
8.15 in
Offset
1.48 in
Swivel radius
4.07 in
Wheel
Hardness of tread (A)
91 Shore A
Hardness of tread (D)
40 Shore D
Body material
Polyamide
Tread material
Polyurethane, injected
Tread width
0.47 in
Diameter
4.92 in
Body width
0.47 in
Threadguards
With threadguard
Bearing
Precision ball bearing, stainless
Wheel color
Silver gray (RAL7001)
Handle Set
Hint
Washable beds must be sealed in the fitting area by the hospital bed manufacturer.

German Design Award

German Design Award

Red Dot Design Award

Red Dot Design Award

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
Prevents unintended movement
Wheel lock for manual operation
Secured stand
Total lock for simultaneously locking the wheel and swivel housing
User-friendly central lock
Simultaneous locking of more than one castor using a central actuation lever
Award-winning design
Awarded with prestigious prizes by international juries
Strong stand
Extreme torsional rigidity ensures that operating tables or heavy applications have a secure stand
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
Comfortable maneuverability
Easily move across obstacles with large wheels and elastic wheel centers
Optimised manoeuvrability
Twin wheel castor with high maneuverability due to differential effect
Protect floors with load distribution
Two wheels distribute the load and minimise floor impressions
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Variants
Swivel caster with central , total lock 4.92 in
Swivel caster with central , total lock 4.92 in
Integral twin torsion
3946UAC125R36-32S30 R9002 4xM6 OP

The Integral twin torsion is a swivel castor with central total lock, featuring a steel sheet housing for heavy duty use and a short version stem with cam hole designed for fitting profile bars. The precision ball bearing swivel bearing allows for smooth 360 degree rotation. The wheel has a precision ball bearing and is made of stainless steel with a diameter of 4.92 inches. The castor has a polyurethane tread injected onto the wheel for quiet movement and traction. With an overall height of 5.91 inches, the Integral twin torsion castor has a load capacity of 275.58 pounds at 3 km/h and a static load capacity of 826.73 pounds. The fitting area must be sealed by the hospital bed manufacturer to allow the castors to be washed for use in washable hospital beds.

4.92 in
5.91 in
276 lb
Details
4.92 in
5.91 in
276 lb
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