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The Grooved Hardened Oil Supply Ring is an irreplaceable core component of the thrust bearing in marine propulsion systems, working in tandem with thrust shafts, bearing pads, and lubrication systems to form a stable, uniform oil film between rotating shafts and bearing working surfaces. As a specialized Heavy-Duty Oil Supply Ring for High-Speed Rotating Machinery, this product is engineered to deliver consistent lubrication under extreme high-speed, high-load operating conditions, effectively reducing friction and abnormal wear, and significantly extending the service life of thrust bearings and supporting shafting systems. Our precision-machined Rotating Oil Ring for Marine Thrust Bearing fully complies with international marine engineering standards, and can be adapted to the most demanding working environments.
The precision grooved structure of our High-Speed Machinery Oil Supply Ring achieves uniform oil distribution even at rotation speeds up to 15000 RPM, eliminating oil film breakage and ensuring continuous lubrication of the bearing working area.
Through professional surface hardening processes, the oil ring achieves a surface hardness of 45HRC-58HRC, effectively resisting abrasive wear caused by long-term high-speed rotation and maintaining dimensional stability over tens of thousands of hours of operation.
The product is designed with targeted anti-corrosion properties, adapting to the humid, high-salt marine environment and ensuring stable performance even under long-term exposure to seawater vapor.
Parameter | Standard Value |
Inner Diameter Range | 80mm × 1200mm |
Core Material | High-Strength Alloy Steel / Corrosion-Resistant Steel |
Surface Hardness | 45HRC × 58HRC (after hardening) |
Groove Structure | Custom Precision Grooved Design |
Maximum Applicable Rotation Speed | 15000 RPM |
Roundness Tolerance | ≤0.005mm |
Surface Roughness | Ra ≤0.4μm |
Non-Destructive Testing | 100% Ultrasonic Testing (UT) Compliant |
This Hardened Oil Supply Ring is primarily adapted to marine propulsion systems, high-speed industrial rotating equipment, steam turbines, gas turbines, hydroelectric generating units, and heavy-duty compressors. It is specially optimized for marine engineering, ocean-going vessels, offshore platforms, and high-speed power generation equipment, meeting the strict requirements of long-term continuous operation in harsh industrial and marine environments.
We select high-strength alloy steel or corrosion-resistant steel as the base material, with professional anti-rust treatment on the surface. The machining process focuses on strict control of the dimensional accuracy, roundness, and surface roughness of the inner bore and oil grooves, using precision boring, CNC grinding, and surface hardening processes to ensure uniform oil distribution and stable fitting with the thrust bearing system. Each process is subject to full-process dimensional monitoring to avoid machining deviations.
We provide custom design and manufacturing of Grooved Oil Supply Rings based on different ship types, shaft diameters, and load conditions. In addition to single oil ring products, we can also manufacture a full set of marine propulsion system core components, including thrust shafts, thrust bearing assemblies, intermediate shafts, sliding bearing assemblies, and propeller shaft assemblies, providing a complete solution from single components to the entire propulsion shafting system.
All critical surfaces of the product are coated with anti-rust oil, wrapped with VCI anti-corrosion paper to isolate air and moisture. The product is fixed with custom positioning blocks inside the package, surrounded by pearl cotton and foam cushioning materials to absorb vibration and impact. The outer packaging adopts reinforced export wooden cases, suitable for long-distance ocean shipping, and can be added with handling marks such as lifting points and moisture protection signs according to customer requirements.
TOTEM MACHINERY has mature machining processes and a complete quality inspection system, with years of supporting experience for marine engineering and heavy-duty equipment manufacturers. Our oil rings fully meet the requirements of various ship types and high-load operating conditions, with strict quality control throughout the production cycle. We provide one-stop custom solutions, professional technical support, and stable delivery capabilities, becoming a trusted long-term partner for industrial clients worldwide.
