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Beckman Coulter MLS 50 Swinging-Bucket Ultracentrifuge Rotor, 4 x 5 mL, 50,000 rpm

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Centrifuge Class
Ultracentrifuge
Max Speed
50000 rpm
Tube Volume
5 mL
Rotor Type
Swing-Out
Sample Capacity
4 positions
All 7 specifications
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Specifications 7

Brands
Beckman Coulter
New/Used
Used
Centrifuge Class
Ultracentrifuge
Max Speed
50000 rpm
Tube Volume
5 mL
Rotor Type
Swing-Out
Sample Capacity
4 positions

Product description

High-speed Beckman Coulter ultracentrifuge rotor for four 5 mL tubes at 50,000 rpm.

The Beckman Coulter MLS 50 is a swinging-bucket ultracentrifuge rotor designed for high-speed separation of small-volume samples. It accommodates four 5 mL sample tubes and supports a maximum rotational speed of 50,000 rpm.

  • Rotor type: Swinging-bucket
  • Capacity: 4 positions
  • Tube volume: 5 mL per position
  • Maximum speed: 50,000 rpm
  • Maximum RCF: Dependent on rotor radius; the supplied specification does not state a numerical value
  • Material: Aluminum
  • Compatibility: Beckman Coulter ultracentrifuges
  • Weight: Approximately 2–3 kg, depending on configuration
  • Dimensions: Model-dependent

The swinging-bucket configuration promotes consistent sample positioning during centrifugation. This high-speed centrifuge rotor is suited to molecular biology, biochemistry, and nanotechnology workflows requiring efficient separation of small sample volumes. It may support laboratory applications in biotechnology research, including biomolecular analysis and sample preparation for molecular diagnostics. The rotor is described as being in very good condition, comprehensively inspected, and ready for use.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 5 November 2026