Eppendorf O-ring for R21A2 rotor 5721411128
Eppendorf -- Item TECPIM000589038
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The Eppendorf O-ring, manufacturer part number 5721411128, is the OEM replacement O‑ring specified for the R21A2 fixed‑angle rotor. Eppendorf lists this item as assembled on the R21A2 rotor and also as an optional accessory supplied for rotor maintenance. As the rotor’s O‑ring, it functions as the replaceable sealing/retention element used in the rotor assembly to support routine maintenance and preserve correct mechanical assembly as identified by the manufacturer.
Key Features:
- Manufacturer: Eppendorf (Himac rotor documentation lists the part)
- Part number: 5721411128
- Designation: O‑ring (listed as standard accessory assembled on R21A2 rotor)
- Compatibility: Specified for the R21A2 fixed‑angle rotor (R21A2: max 21,000 rpm, 50,000 × g)
- Supply/quantity: Shown as 1 assembled with the rotor and offered as an optional spare
Advantages:
- OEM‑specified part ensures correct fit and compatibility with the R21A2 rotor assembly
- Available as a spare for scheduled maintenance, helping restore original rotor assembly integrity
- Supports safe and reliable rotor operation by providing the manufacturer‑recommended replaceable sealing/retention component
Product Details
Overview
| Model | |
|---|---|
| Product Type | Accessories |
| Part Number | 5721411128 |
| Brand | Eppendorf |
| Gross Dimensions (WxDxH cm) | |
| Net Dimensions (WxDxH cm) | 16 x 10 x 1 |
| Gross Weight (kg) | 0.008 |
| Net Weight (kg) | 0.008 |
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Eppendorf
The product portfolio of the business units Liquid Handling, Consumables, Separation & Instrumentation and Bioprocess includes, for example, pipettes, pipette tips, centrifuges, mixers, ultra-freezers and bioreactors for cell and gene research. In addition, Eppendorf offers a wide range of high-quality consumables. The products are most broadly used in academic and commercial research laboratories, e.g., in companies from the pharmaceutical and biotechnological as well as the chemical and food industries. They are also used in laboratories that perform clinical or environmental analysis, in forensic laboratories and in industrial laboratories where process analysis, production and quality assurance are performed.