NMT Ltd.
Corporate Communications Department
NMT Stainless Steel Tapered Roller Bearing, Marine Anti-Corrosion Heavy-Duty Bearing for Fishing Boat Shaft, Aquaculture Aerator & Winch, In Stock & Customizable
1. Main Failures of Offshore Equipment
Ordinary bearings suffer pitting corrosion from sea salt spray, seawater and fishery residues. Axial shock from hull shaking and net winding breaks bearing cages. Grease failure caused by seawater infiltration leads to frequent replacement every 1–3 months, resulting in heavy losses from boat docking and aquaculture shutdown.
2. Forged Stainless Steel Material for Chloride Corrosion Resistance
Integrally forged stainless steel for all core components without surface coating. Native passivation film resists sea salt and chloride erosion. Ultra-precision raceway avoids residue adhesion for self-cleaning under seawater flushing and less abrasive wear.
3. Combined Load Structure for Shock Absorption
Different from single-load ball bearings, tapered roller bearings share radial load and axial impact evenly to relieve wave shock, restrict shaft deflection and guarantee stable operation for fishing boats and floating aerators.
4. Two Sealing Configurations for Different Working Conditions
Standard deck sealing blocks splashing seawater and dust for deck winches. Reinforced triple sealing prevents mud and seawater intrusion for submersible equipment to avoid grease deterioration.
5. Spot Supply & Customization for Maintenance & Renovation
Standard bearings in stock for urgent maintenance. Custom solutions for special size, heavy-duty roller, brass cage and fully-sealed bearings. Sample-based rapid production replaces imported bearings to cut purchasing cost.
6. Strict Factory Environmental Test
All products pass salt spray test, seawater immersion test, impact fatigue test and precision inspection. Consistent batch performance simplifies spare parts management for fishery fleets and breeding bases.
7. Lifecycle Cost Reduction
Long service life over 18 months cuts replacement and shutdown loss. Stable operation protects matched mechanical parts and extends lubrication maintenance cycle, lowering overall operation cost for large fishery and aquaculture projects.