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Beckman Coulter JA-21 Ultracentrifuge Rotor 21000 RPM 18-Tube Fixed Angle

AdID: 11927

Availability: In stock


Beckman Coulter JA-21 Rotor
Tested to Max 21,000 RPM with Lid

    - Tested to manufactures maximum rated 21,000 RPM
    - Good cosmetic condition with minor blemishes
    - Rapid and efficient separation of many samples
    - 18 x 10 mL - 50,400 x g - Fixed Angle
    - Used in Avanti J and J2 series centrifuges

Includes a 90-Day Warranty for your protection

We realize that buying a second-hand instrument can be unnerving, therefore we offer a 90-Day Warranty to protect you against any equipment failure or defects.

Tested by Knowledgeable Technician

Our technician ran the rotor in a centrifuge and the test results are in the second picture in the photo gallery. It reached the manufacturers max RPM.


Beckman Coulter



Serial Number


Max Speed

21,000 RPM


8.5” Diameter x 5” H


Manufacturer’s Product Overview

"The JA-21, rated for 21 000 rpm, is a fixed angle rotor designed to centrifuge up to eighteen 10-mL tubes at a 40-degree angle to the axis of rotation. Used in Beckman Coulter J2 and J6 series and Avanti J series centrifuges, the rotor develops centrifugal forces that can efficiently pellet subcellular organelles, viruses, bacteria, mitochondria, chlorplasts, or algae."