ID
1232528
$ 19.91
1-2 weeks delivery time
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ZF 634309621 – Seal Ring with 50 mm inner and 65 mm outer diameter (6 mm thickness) is made of synthetic rubber (NBR), resistant to oils, hydraulic fluids, and petroleum-based liquids. Operating in –40 °C to +150 °C and rated up to 3.0 MPa (435 psi), it ensures a reliable fluid seal in marine engines, pumps, gearboxes, and hydraulic systems under demanding conditions.
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ZF 634309621 – Seal Ring Ø50 × Ø65 × 6 mm
The ZF 634309621 Seal Ring is a durable, high-quality sealing element engineered for use in marine, automotive, and industrial fluid systems. Constructed from premium synthetic rubber (NBR or equivalent), this seal ring provides exceptional resistance to hydraulic fluids, petroleum-based oils, and water. Its robust profile — 50 mm inner diameter, 65 mm outer diameter, and 6 mm cross-section — ensures tight sealing performance under pressures up to 3.0 MPa and in temperatures ranging from -40°C to +150°C. Ideal for gearboxes, hydraulic pumps, engines, and marine propulsion systems, the seal offers long-term fluid retention, abrasion resistance, and chemical stability for dependable service in demanding environments.
Key Features:
- Made of high-grade synthetic rubber (NBR or similar)
- Dimensions: Ø50 × Ø65 × 6 mm
- Effective sealing for oils, hydraulic fluids, water, and fuel-based liquids
- Operates in temperatures from -40°C to +150°C (-40°F to +302°F)
- Pressure resistance up to 3.0 MPa (435 psi)
- Designed for marine, industrial, and automotive applications
- High wear, abrasion, and chemical resistance
- Easy press-fit installation and one-time use for maximum sealing integrity
Specifications:
Part Number ZF 634309621 Material Synthetic Rubber (NBR or equivalent) Inner Diameter 50 mm (1.97 inches) Outer Diameter 65 mm (2.56 inches) Cross-Section 6 mm (0.24 inches) Hardness 70 Shore A Temperature Range -40°C to +150°C (-40°F to +302°F) Pressure Resistance Up to 3.0 MPa (435 psi) Seal Type Lip seal for static/dynamic applications Compression Set <10% at 100°C (22h) Color Black Installation Press-fit design, easy to install Reusability Single-use for maximum reliability Environmental Resistance UV, ozone, and weathering resistant
Application & Compatibility:
This seal ring is ideal for use in marine propulsion systems, automotive engines, pumps, hydraulic units, and gearboxes. It supports high-pressure environments where tight fluid containment is critical. The ZF 634309621 is compatible with most hydraulic and petroleum-based fluids, ensuring reliable performance in marine vessels, industrial machinery, and automotive equipment exposed to challenging conditions.
Benefits:
- Reliable sealing in high-pressure environments
- Reduces risk of fluid leakage and contamination
- Extends service life of mechanical components
- Minimizes maintenance intervals and system downtime
- Resistant to oil, fuel, hydraulic fluids, and saltwater
- Performs reliably in extreme temperature conditions
- Quick and simple installation
- Suitable for marine, industrial, and automotive systems
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