ID
1232849
$ 66.10
1-2 weeks delivery time
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The ZF 634402539 is a Ø72x5 mm R-Ring made of high-performance elastomer for marine and industrial sealing applications. Rated for 100 bar and -40°C to +220°C. Ensures leak-free operation under pressure and chemical exposure.
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ZF 634402539 – R-Ring Seal Ø72x5 mm for Marine Gearboxes and Hydraulic Systems
The ZF 634402539 R-Ring is a robust sealing component engineered for high-pressure and high-temperature applications in marine and industrial environments. Manufactured from high-performance elastomer, it resists oils, lubricants, saltwater, and harsh chemicals. This ring ensures a reliable seal in gearboxes and hydraulic systems, withstanding pressures up to 100 bar and operating temperatures from -40°C to +220°C. Precision-molded for a tight fit, the R-Ring minimizes wear, reduces maintenance needs, and extends equipment lifespan even under demanding operating conditions.
Key Features:
- High-quality elastomer construction with excellent resistance to oils and chemicals
- Designed for high-pressure systems – up to 100 bar (1450 psi)
- Wide temperature range: -40°C to +220°C (-40°F to +428°F)
- Dimensions: 72 mm outer diameter, 55 mm inner diameter, 5 mm thickness
- Precision-molded profile for low wear and long sealing life
- Compatible with marine gearboxes, hydraulic units, and industrial sealing applications
- UV-, ozone-, and saltwater-resistant – suitable for outdoor and marine use
- Low compression set and high fatigue resistance
- Quick and easy installation
Specifications:
Part Number ZF 634402539 Seal Type R-Ring Material High-performance elastomer Outer Diameter 72 mm Inner Diameter 55 mm Thickness 5 mm Pressure Resistance Up to 100 bar (1450 psi) Temperature Range -40°C to +220°C (-40°F to +428°F) Hardness 70 Shore A Elongation at Break ≥ 200% Tensile Strength ≥ 15 MPa Compression Set ≤ 20% at 100°C (22 hrs) Chemical Resistance Oils, fuels, saltwater, lubricants, most hydraulic fluids Environmental Resistance Ozone, UV, and weather-resistant Installation Fits radial or axial sealing configurations Compliance ISO 9001 manufacturing standards
Compatibility and Application:
The ZF 634402539 R-Ring is ideal for use in marine gearboxes, hydraulic equipment, and heavy-duty machinery that operate under extreme conditions. Its chemical and thermal resistance ensures dependable sealing performance in systems exposed to pressure spikes, saltwater, and aggressive media. Designed for high-reliability environments, it helps maintain system efficiency and reduces the risk of leaks and component damage.
Benefits:
- Reliable sealing under pressure – up to 100 bar
- Maintains performance in extreme temperatures from -40°C to +220°C
- Excellent chemical and saltwater resistance for marine use
- Reduces wear and maintenance needs with durable construction
- Easy installation in radial and axial sealing applications
- Long service life with low compression set and high fatigue resistance
- Protects system integrity and prevents costly leaks and failures
- Meets international standards for industrial and marine sealing
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