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JS-4.2 and JS-4.2A Swinging Bucket Rotors, Beckman Coulter®


366695 339080
These windshielded, six-place rotors with aluminum rotor yoke and removable, aluminum swinging buckets are for use in the Avanti™ J6-MI centrifuge.

  • Ideal for Rapid Sedimentation of Protein Precipitates, Large Particles, Cells, and Cell debris
  • Suitable for Binding Studies and Separating Serum from Whole Blood
  • ARIES™ Smart Balance Technology Included
  • Capacity of 6 L or Six Blood Bags
  • Windshielded

They are ideal for rapid sedimentation of protein precipitates, large particles, cells, and cell debris and suitable for binding studies and separating serum from whole blood.

Rotor JS-4.2A features ARIES Smart Balance technology that provides imbalance compensation for rotors with buckets that are unbalanced by up to 100 g. Both rotors have a capacity of 6 L or six blood bags. The buckets are interchangeable with microplate carriers (sold separately); each carrier holds three microtiter plates.

Ordering information: Aeroseal™ cover for round buckets features an O-ring seal for added aerosol protection. For Multi-Disc™ adapters, see BK339100 series.



Expand All / Collapse All
Description Maximum RCF Maximum Speed Supplier No. Catalog Number Unit List Price Quantity
JS-4.2A Rotor 5020 g 4200 rpm 366695 C-2451-37 Each Retrieving
JS-4.2 Rotor 5020 g 4200 rpm 339080 C-2451-38 Each Retrieving


Expand All / Collapse All

Description Tube Capacity Diameter Maximum Diameter Color No. of Places No. of Discs Supplier No. Catalog Number Unit List Price Quantity
- 10 ml 14 mm Orange 24 6 339101 339101 C-2451-75 Each Retrieving
- 20 ml 18 mm Green 14 8 339102 339102 C-2451-87 Each Retrieving
- 50 ml 35 mm Dark Blue 4 7 341794 341794 C-2451-85 Each Retrieving
- 500 ml 70 mm Yellow 1 9 339109 339109 C-2451-73 Each Retrieving
Aeroseal Cover - - - - - 343686 343686 C-2451-80 Each Retrieving
Bottle Sleeves, for 750 or 1000 mL Bottles - - - - - 356096 356096 C-2451-72 Pack of 6 Retrieving
Microplate Carriers - - - - - 358682 358682 C-2451-83 Each Retrieving
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Prices shown are current at time of publication. Where changes have occurred, prices prevailing at the time of shipment will apply. Prices are subject to change without notice.

Our sales and customer service departments welcome quotations for laboratory set-ups and multiple-unit orders. Your inquiries are welcome and appreciated.

Payment Terms:
Payment terms are Net 30 Days on approved credit, F.O.B. warehouse or point of manufacture. Shipping charges are prepaid and added to the invoice. C.O.D. orders will be charged a $10.00 handling fee plus shipping charges. AMEX, MasterCard, and Visa are accepted.

Minimum Order:
There is no minimum order at BioExpress. Full case quantities or minimum quantities may apply to non-stock or specialty items.

All orders are shipped F.O.B. warehouse or point of manufacture. Shipping charges are prepaid and added to the invoice. Orders are usually shipped within 24 hours of receipt. We ship by the most efficient and economical means available. Extra charges apply to HAZMAT and dry ice shipments.

If you would like to return an item, please call BioExpress customer service or contact your local representative for an RGA number. All returns must include an RGA number, include original packaging and be shipped prepaid. Items older than 30 days, sterile, or special order items are subject to review. A 15% restocking fee applies.

BioExpress accepts no responsibility and shall not be held liable for loss, damage, expense, consequential, or accidental damage. This includes the damage to property, person, or premises resulting from these products. BioExpress MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURCHASE. BioExpress expressly disclaims all other warranties, whether express, implied or statutory, including the warranty of MERCHANTABILITY AND FITNESS FOR USE. In no event will BioExpress be liable for consequential damages arising from the use of products described in this catalog.

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