ZF 634319304 - Shaft Seal Ø75×Ø95×12 mm NBR for ZF Marine Transmissions

ID 1232982

1-2 weeks delivery time

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The ZF 634319304 Shaft Seal is a Ø75×Ø95×12 mm sealing element for ZF marine transmissions. Made from NBR, it resists oils, fuels, and saltwater. Operating range: -30°C to +120°C, pressure up to 15 bar. Designed for rotating shafts in marine hydraulic systems.

Description
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ZF 634319304 - Shaft Seal Ø75×Ø95×12 mm NBR for ZF Marine Transmissions

The ZF 634319304 Shaft Seal is a robust sealing solution engineered for rotating shafts in ZF marine transmission systems and hydraulic pumps. Constructed from durable Nitrile Rubber (NBR), this seal provides excellent resistance to oils, hydraulic fluids, fuels, and saltwater, ensuring reliable operation in marine environments. Designed to withstand pressures up to 15 bar and temperatures from -30°C to +120°C, it effectively prevents fluid leaks, protects internal components, and ensures the smooth operation of marine powertrains.

Key Features:

Precision-engineered for ZF marine transmission and hydraulic systems
Made from Nitrile Rubber (NBR) for superior oil, fuel, and saltwater resistance
Withstands temperatures from -30°C to +120°C and pressure up to 15 bar
Minimizes fluid loss and contamination in rotating shaft components
OEM-quality part ensures a precise fit and reliable long-term sealing
High wear resistance and anti-aging properties for extended service life
Suitable for marine gearboxes, hydraulic pumps, and rotating equipment

Specifications:

Part Number:	ZF 634319304
Material:	Nitrile Rubber (NBR)
Inner Diameter:	75.0 mm
Outer Diameter:	95.0 mm
Seal Width:	12.0 mm
Operating Temperature Range:	-30°C to +120°C (-22°F to +248°F)
Maximum Pressure Resistance:	15 bar (217.5 psi)
Hardness:	75 ±5 Shore A
Maximum Shaft Speed:	5000 RPM
Compression Set Resistance:	≤25% after 24 hours at 100°C
Fluid Compatibility:	Mineral/synthetic oils, diesel fuel, hydraulic fluids, saltwater
Abrasion Resistance:	High
Chemical Resistance:	Good resistance to oils and fuels
Application:	ZF marine transmissions, hydraulic pumps, rotating shafts

Compatibility and Application:

The ZF 634319304 Shaft Seal is specifically designed for sealing around rotating shafts in ZF marine transmission systems and pumps. It ensures leak-free operation and protects against contamination in harsh saltwater environments. With high resistance to pressure, abrasion, and fluids, this seal is ideal for yachts, workboats, and commercial vessels using ZF powertrains and hydraulic components. It fits precisely into compatible ZF housings, ensuring performance and ease of replacement.

Benefits:

Prevents oil and fluid leakage in rotating shaft environments
Maintains system pressure and improves overall transmission efficiency
Resists chemical degradation and wear under marine exposure
Reduces the risk of contamination and system failure
Minimizes maintenance frequency and extends service life
OEM-grade construction for secure installation and reliability
Quick to replace, minimizing vessel downtime during servicing