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The ZF 73440110601 is a rectangular elastomer seal ring (OD 125 mm, ID 105 mm, 10 mm cross-section) for ZF marine transmissions. Withstands 350 bar and -40°C to +180°C. Made from oil-, fuel-, and seawater-resistant NBR/FKM. OEM-certified, Shore A 75, ≤12% compression set at 150°C.
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ZF 73440110601 – Rectangular Seal Ring Ø125×105×10 mm, 350 bar, for Marine Transmissions
The ZF 73440110601 Rectangular Ring is an OEM-certified sealing component engineered for use in ZF marine transmission systems. Made from high-performance elastomers such as NBR, FKM, or Viton, it offers exceptional resistance to oils, fuels, hydraulic fluids, and saltwater. With a cross-section of 10 mm, outer diameter of 125 mm, and inner diameter of 105 mm, it provides a reliable seal in high-pressure marine environments. This static sealing ring maintains elasticity and shape under thermal and mechanical stress, making it ideal for critical sealing in gearboxes and propulsion systems.
Key Features:
- Designed for ZF marine transmissions and hydraulic systems
- Dimensions: Ø125 mm OD, Ø105 mm ID, 10 mm thickness
- High chemical resistance to oils, fuels, seawater, and aggressive fluids
- Operates from -40°C to +180°C under pressure up to 350 bar
- Hardness: 75 ±5 Shore A; excellent elasticity and sealing force
- Low compression set ≤12% at 150°C (24h)
- OEM-certified and ISO 9001 compliant
Technical Specifications:
Parameter Value Model ZF 73440110601 Type Rectangular Seal Ring Material High-performance elastomer (NBR/FKM/Viton) Outer Diameter 125 mm Inner Diameter 105 mm Cross-Section 10 mm Operating Temperature -40°C to +180°C Pressure Resistance Up to 350 bar (5075 psi) Hardness 75 ±5 Shore A Compression Set ≤12% after 24h at 150°C Elongation at Break ≥200% Chemical Resistance Oils, fuels, seawater, acids, alkalis Surface Finish Smooth, for consistent sealing Installation Type Static sealing (non-moving interfaces) Certifications ISO 9001, CE, OEM ZF Weight 85 g Packaging Individual or bulk (multi-pack)
Applications:
- ZF marine transmission systems
- Hydraulic and lubrication systems
- Marine engines and propulsion gearboxes
- Static sealing points exposed to oils, fuels, and seawater
Benefits:
- Prevents leakage in high-pressure marine systems
- Stable performance under thermal and chemical stress
- OEM fit for ZF gearboxes – reliable and easy to install
- Long service life reduces replacement intervals
- Maintains seal integrity in harsh saltwater environments
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