Carefully read the centrifuge instruction manual and the rotor instruction manual before using the rotor.

R21A(RR21A) Fixed angle rotor 

  • Max. speed 21,000 rpm
    Max. R.C.F. 53,250 × g
    Rotor nominal capacity 11 mL × 16 = 176 mL
    k factor 257
    Weight 8.5 kg
 View of the size

(1)Summary of tubes

Tubes & Bottles & Microplates Adapter & Bucket Cap Maximum
Part No.
Material Net Vol.
Part No.
Material Number
of tubes
Part No.
11 333959A
11PA Thick-walled Tube
φ1.6×8.2 PA 8.2 --- --- --- --- 328478A
C2-PP Lid
21,000 53,200
11PC Thick-walled Tube
φ1.6×8.3 PC 8.4 --- --- --- --- --- 21,000 53,200
1.5 Commercial item
1.5ml Micro Tube
φ1.08×3.9 PP 1.5 336682A
1.5A12 Adaptor
1.6×7.9 POM 1 --- 18,000 29,600

※When using commercially available tubes and/or bottles, perform centrifugations under the allowable speed or allowable RCF specified by their manufacturer. Otherwise, the tubes and/or bottles may be damaged during centrifugations.

(2)Standard accessories

Part No. Name Q’ty
333959A *1 11PA Thick-walled Tube 16
328478A *2 C2-PP Lid 16
S400974 Rotor Packing 1 *3
84521016 *4 O-Ring 1AV24 1 *3

*1:11PA Thick-walled Tube (P/N 333959A) is sold in 10pcs/set at the additional purchase.

*2:C2-PP Lid (P/N 328478A) is sold in 20pcs/set at the additional purchase.

*3:It is assembled on the rotor.

*4:O-Ring 1AV24 (P/N 84521016) is sold in 5pcs/set at the additional purchase.

(3)Optional accessories

Please use following parts to maintain the rotor.

Part No. Name Q’ty
S400974 Rotor Packing 1
84521016 O-Ring 1AV24 1
84810601 Lubricate for Screw 1
483719 Silicone Grease (Vacuum Grease) 1