High Quality China Oil-Free Bearing Slide Rail from Leading Suppliers and Factory for Reliable Performance
There is no need for extra oiling because graphite naturally seeps out during friction to produce a lubricating layer. A broad operating temperature range of -40°C to +300°C is suitable.
The brass matrix provides impact toughness and corrosion resistance, withstanding dynamic stresses of up to 100N/mm². Perfect for challenging circumstances including exposure to seawater and dusty surroundings.
- Committed to the field of oil-free bearings with a focus on technological innovation, breaking through industry bottlenecks and greatly increasing product lifespans with independently created core technologies.
- Vertical integration from raw material development to final product delivery — utilizing an in-house copper foundry and CNC high-precision end-to-end machining equipment, ensuring quality control throughout the entire process.
- Provides scientifically customized raw material compositions and specialized machining solutions that precisely meet each distinct specification for custom needs.
- Product qualification rate continuously ranks among the top in the market due to established production controls, collected core technologies, and vertical supply chain advantages.
- High cost-effectiveness and short delivery cycles guarantee effective project advancement — combining value, efficiency, and performance to create your core competitiveness.
According to different customer requirements, Youyi Bearing can produce various bronze and brass grades in accordance with DN, BS, EN [DNEN], SS, NS, UNS, SAE, as well as China's GB standards, offering bushings, plates, and rods.
All products use electrolytic copper as raw material and are manufactured through centrifugal casting, continuous casting, and extrusion. The company provides:
- Copper bars, copper tubes, copper bushings, and wear plates
- Flanged bushings and self-lubricating bearings
- Copper bearing sleeves, bearing shells, and copper worm gears
- Copper plates, connectors, columns, and washers












