Eppendorf O-ring (4CP8) 5721411194

This is an Eppendorf replacement O‑ring sold as a spare sealing part for Eppendorf equipment (centrifuge rotors, rotor lids, bench‑scale vessels and bioprocess fittings). Eppendorf’s product listings state O‑rings are available in different sizes and materials for use as service/maintenance seals; authorized distributors list rotor‑specific O‑ring SKUs in the same 57214111xx series. The rings restore/maintain the leak‑ and aerosol‑tight seal required for safe laboratory centrifugation and bioprocess use.

Key Features:

• Manufacturer: Eppendorf (replacement O‑ring family; distributor SKUs appear in the 57214111xx range)
• Materials (manufacturer/distributor listings): VMQ (vinyl methyl silicone) and NBR; some replacement O‑rings are supplied in EPDM by authorized distributors
• VMQ temperature range (distributor data): −60 °C to +230 °C (−76 °F to +446 °F)
• EPDM temperature range (distributor data): approximately −40 °F to +250 °F
• Packaging/quantities: sold as small replacement sets (examples from authorized distributors: 2, 3, 5 or 10 pieces per set depending on rotor/application)

Advantages:

• Restores OEM‑specified sealing performance for Eppendorf rotors, lids and vessels to prevent leaks and maintain aerosol containment
• Available in multiple elastomer types to suit broad temperature ranges and common lab chemical exposures
• Offered through Eppendorf/authorized distributors as direct replacement parts to ensure correct fit and compatibility
• Supplied in small sets to support routine preventive maintenance and timely replacement of worn seals