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The Integral twin is a swivel castor with central, total lock, designed for demanding healthcare and medical technology applications including anesthesia carts, C-arms, CT scanners, MRI systems, X-ray equipment, care beds, hospital beds, surgery robots, surgery tables, and ultrasound systems. The fitting comprises a stem with cam hole for profile bars in short version, with the important caveat that washable beds must be sealed in the fitting area by the hospital bed manufacturer to ensure hygiene and durability. The housing is constructed from medium steel sheet and incorporates a precision ball bearing for smooth swivel operation. The wheel features a 125 mm diameter and is equipped with a precision ball bearing that is sealed to prevent contamination and ensure reliable performance in sterile environments. The wheel tread is manufactured from polyurethane that has been injected and treated to be electric-conductive, providing both durability and safety in electrosensitive medical settings. The wheel body is made from polyamide, offering lightweight yet robust construction. The overall height of the castor is 150 mm. The load capacity specifications indicate a static load capacity of 375 kg, whilst the dynamic load capacity is 125 kg at 4 km/h and 125 kg at 3 km/h, ensuring safe operation under typical hospital and surgical environments where precision, reliability, and infection control are paramount.
Roll performance
Movement noise
Attrition
Corrosion resistance
Article numbers
Article Number
2946USX125R36-32S30 D 7035 4xM6 W
EAN
4031582340969
S4 Material Number
990061229
Core attributes
Certification
Tested and monitored by TÜV Süd
Type
Swivel castor with central, total lock
Overall width
63 mm
Load capacity at 3 km/h
125 kg
Load capacity at 4 km/h
125 kg
Load capacity Static
375 kg
Overall Height
150 mm
Temperature range (Maximum)
80 °C
Temperature range (Minimum)
-25 °C
Overall weight
1.17 kg
Product Name
Integral twin
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
32 mm
Bolt length
51 mm
Bolt thread position
7 mm
Housing
Housing Color
Light grey (RAL7035)
Fork shape
Twin wheel housing
Housing Material
Steel sheet, medium
Swivel Bearing
Precision ball bearing
Dome diameter
61.5 mm
Swivel interference
206 mm
Offset
37.5 mm
Swivel radius
103 mm
Wheel
Hardness of tread (A)
91 Shore A
Hardness of tread (D)
40 Shore D
Body material
Polyamide
Tread Material Mix
Polyurethane, injected, electric-conductive
Tread width
12 mm
Diameter
125 mm
Body width
12 mm
Threadguards
With threadguard
Bearing
Precision ball bearing, sealed
Wheel Color
Light grey (RAL7035)
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 carbons 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
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.
Low-maintenance wheels
Thread guards for unobstructed operation with minimal cleaning effort.
Non-marking movement
Wheels with reduced abrasion and little cleaning requirement.
Ergonomically friendly use
Wheels with optimised roll resistance to lighten the load for the user.
Certified conductivity
Conductive version to protect users and electrical devices from electrostatic discharge.
Protective seal
Wheels with sealed bearings to protect against spray water and dirt.
Chemical-resistant components
Insensitive to many cleaning agents and chemical substances.
Certified safety
TÜV Süd certified performance standard.
Comfortable maneuverability
Easily move across obstacles with large wheels and elastic wheel centers.
Multistage switching function
Up to three locking positions: directional lock, total lock or free mobility.
Optimised manoeuvrability
Twin wheel castor with high manoeuvrability due to differential effect.
Reduced cleaning
Due to mainly smooth surfaces, the castors are quick and easy to clean.
Protect floors with load distribution
Two wheels distribute the load and minimise floor impressions.
Integrated cable protection
Integrated cable pusher to protect cables lying on the floor.
Extremely strong construction
Extremely strong construction
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Accessories

Accessory
Change lever
Schalthebel 24S45 o. Gew. Stift

The Change lever is an accessory designed for castor applications, engineered to provide reliable operational control and adjustment functionality. This component weighs 0.12 kg, making it a lightweight addition to castor assemblies whilst maintaining structural integrity and durability. The change lever facilitates smooth engagement and disengagement mechanisms, enabling operators to adjust castor positioning and locking states with precision and minimal effort. Its compact mass ensures that integration into existing castor systems does not significantly impact overall weight distribution or handling characteristics, making it suitable for both mobile and stationary installations across industrial and commercial environments.

Accessory
Change lever
Schalthebel 28S45 m. Gew. Stift

The Change lever is an accessory designed for castor applications, engineered to facilitate quick and efficient adjustment of castor positioning and locking mechanisms. This lightweight component, weighing 0.06 kg, offers practical functionality for users requiring frequent castor configuration changes in industrial, commercial, or institutional environments. The change lever integrates seamlessly with standard castor systems, providing ergonomic operation whilst maintaining robust performance under typical operational conditions. Its compact mass ensures minimal additional load on castor assemblies, making it suitable for applications where weight considerations are critical. This accessory is manufactured to deliver reliable service across diverse castor types and configurations, supporting maintenance personnel and equipment operators in achieving optimal castor performance and positioning.

Accessory
Change lever
Schalthebel 65S45 m. Gew. Stift

The Change lever is an accessory designed for castor applications, engineered to provide reliable operational control and enhanced functionality in demanding industrial environments. This precision-manufactured component weighs 0.09 kg, making it lightweight yet robust enough to withstand repeated use in high-traffic settings. The Change lever integrates seamlessly with standard castor systems, offering operators a convenient mechanism for adjusting castor orientation or locking mechanisms with minimal effort. Its compact design ensures easy installation without requiring extensive modifications to existing equipment, whilst maintaining compatibility with industry-standard castor configurations. Suitable for both fixed and mobile castor installations, this accessory delivers consistent performance across varied operational conditions and load requirements.

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Matching Products

Variants
integral_twin
integral_twin
Integral twin
2944USX125R36-32S30 4xM6

The Integral twin is a swivel castor with central, total or directional lock designed for professional applications. The fitting features a stem with cam hole for profile bars in short version configuration, with the critical requirement that washable beds must be sealed in the fitting area by the hospital bed manufacturer. The housing is constructed from medium-grade steel sheet and incorporates precision ball bearing technology for the swivel bearing mechanism. The wheel assembly comprises a polyamide body with injected polyurethane tread material that provides electric-conductive properties, supported by sealed precision ball bearings. The wheel diameter measures 125 mm, whilst the overall height dimension is 150 mm. Load specifications include dynamic capacity of 125 kg at speeds of 3 km/h and 4 km/h respectively, with static load capacity rated at 250 kg. The castor is washable according to AK-BWA standards, ensuring compliance with healthcare industry hygiene requirements.

125 mm
150 mm
125 kg
125 mm
150 mm
125 kg