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ZF 3310399003 – Bearing Set for ZF12M Marine Transmission (Radial + Thrust, Ø70x30x18 mm, 500 kg Load)
The ZF 3310399003 Bearing Set is a high-quality replacement kit designed for ZF12M marine transmissions. It includes precision-engineered radial and thrust bearings that ensure smooth, low-friction rotation and long-term durability under harsh marine conditions. Manufactured from high-strength steel and corrosion-resistant alloys, this set resists saltwater, vibration, and extreme temperatures. Suitable for both commercial and recreational vessels, it maintains efficient transmission performance while reducing wear and extending system service life.
Key Features:
- OEM-quality bearing set for ZF12M marine transmission systems
- Includes 2 radial bearings and 1 thrust bearing
- Manufactured from high-strength steel and corrosion-resistant materials
- Reduces friction and mechanical stress for smoother gearbox operation
- Sealed with high-performance O-rings to prevent contamination
- Designed for easy installation with direct fit into ZF12M transmissions
- Resistant to saltwater, vibration, and extreme temperature ranges
Specifications:
Parameter Value Part Number ZF 3310399003 Application ZF12M marine transmission Material High-strength steel and corrosion-resistant alloys Included Components 2 radial bearings + 1 thrust bearing Outer Diameter 70 mm Inner Diameter 30 mm Width 18 mm Operating Temperature -40°C to +120°C Maximum Load (Radial) 450 kg Maximum Load (Axial) 250 kg Dynamic Load Rating 800 kg Operating Pressure Up to 30 bar Sealing High-performance O-ring seals Grease Type NLGI Grade 2 lithium-based marine grease Noise Level Low-noise, precision-machined design Corrosion Resistance Complies with ISO 12944 Service Life Up to 5,000 hours under standard marine conditions Installation Direct fit, no modifications required Weight 1.2 kg (total set)
Compatibility and Application:
This bearing set is engineered for direct replacement in ZF12M marine transmissions, providing essential support for the rotating components within the gearbox. Its advanced materials and design allow for operation under high loads and extreme conditions typically found in marine environments. Whether used in fishing boats, commercial workboats, or pleasure yachts, the ZF 3310399003 Bearing Set ensures long-term reliability and efficiency, making it ideal for both scheduled maintenance and critical repairs.
Benefits:
- Ensures smooth and efficient gearbox operation
- Reduces mechanical wear, improving transmission longevity
- Built for harsh marine environments with high corrosion resistance
- Handles high radial and axial loads under continuous use
- Minimizes maintenance costs and vessel downtime
- Tested for high vibration resistance and long-term durability
- Direct-fit OEM-quality solution for ZF12M transmissions
- Ideal for both commercial and recreational marine propulsion systems
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