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ZF 3304304023 - Pressure Spring for ZF Marine Transmissions (150 N/m, Ø12 mm, L55 mm)
The ZF 3304304023 Pressure Spring is a precision-engineered component used in ZF marine transmissions, including models ZF 63A, ZF 220, and ZF 250. With a spring rate of 150 N/m and a maximum load capacity of 200 N, this spring maintains consistent tension and contributes to smooth gear engagement. Built from high-strength, corrosion-resistant steel, it is suitable for harsh marine environments. Its cylindrical compression design ensures uniform load distribution and minimal wear, promoting reliable transmission performance with reduced maintenance.
Key Features:
- Spring rate: 150 N/m, max load: 200 N
- Length: 55 mm | Outer diameter: 12 mm | Inner diameter: 5 mm
- High-strength steel construction with anti-corrosion coating
- Ideal for ZF 63A, ZF 220, ZF 250 marine gearboxes
- Operates from -40°C to +120°C (-40°F to +248°F)
- Designed to reduce vibration and ensure smooth shifting
- Long service life with minimal wear and deformation
- Simple installation using standard tools
Specifications:
Part Number ZF 3304304023 Type Pressure Spring Material Corrosion-resistant steel alloy Spring Rate 150 N/m Max Load 200 N Length 55 mm Outer Diameter 12 mm Inner Diameter 5 mm Weight 0.05 kg Operating Temperature -40°C to +120°C Surface Finish Precision-machined Shape Cylindrical compression spring Compatibility ZF 63A, ZF 220, ZF 250 gearboxes
Application and Compatibility:
This pressure spring is specifically designed to support internal tensioning and pressure control in ZF marine transmissions. It is suitable for both commercial and recreational vessels using ZF 63A, ZF 220, or ZF 250 models. The spring ensures reliable operation under varying loads and prevents wear on gearbox components. Its durability and corrosion resistance make it well-suited for continuous operation in marine environments.
Benefits:
- Stabilizes internal gearbox pressure for smooth shifting
- Corrosion-resistant for long-term marine use
- Reduces mechanical wear and vibration
- Supports high loads without deformation
- Simple replacement with standard tools
- Improves gearbox efficiency and operational reliability
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