As a premier manufacturer and global supplier of high-precision rotational components, we deliver engineered solutions designed for heavy-duty and highly reliable applications. Sourced directly from our advanced manufacturing facilities, these components guarantee superior performance and extended service life for industrial machinery.
Engineered for high-speed and extreme heavy-load capacities
Manufactured with premium-grade wear-resistant materials
Direct supplier pricing for optimized procurement efficiency
Customizable dimensions for diverse industrial requirements
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Representing the pinnacle of precision engineering, these industrial components are crafted to meet the most demanding operational standards. When handling these units, the immediate sensation is the substantial, cold weight of forged steel, indicative of their dense, void-free internal metallurgical structure. The surface finish presents a flawless, mirror-like metallic sheen, a direct result of meticulous grinding and polishing processes that eliminate microscopic imperfections. During operation, they emit a barely perceptible, smooth hum—a testament to their perfectly balanced internal geometry and ultra-low friction coefficients. This near-silent performance translates directly into energy savings and drastically reduced thermal expansion within your critical machinery.
By integrating these high-end components into your equipment, you are fundamentally eliminating the root causes of unexpected mechanical failures. Whether deployed in the continuous rotational cycles of massive wind turbines or the high-impact environment of railway axle housings, they absorb extreme radial and axial loads effortlessly. The superior heat treatment process ensures that the metal retains its structural integrity even under soaring operating temperatures, preventing premature wear and metal fatigue. Ultimately, this means your production lines run longer, your maintenance intervals are significantly extended, and your overall operational efficiency reaches unprecedented levels, securing a much higher return on your heavy equipment investments.
Product Specifications
| Brand | FAG (Schaeffler Group) |
| Product Name | FAG Bearings |
| Bearing Types | Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings, Angular Contact Ball Bearings, Needle Roller Bearings |
| Material | Chrome Steel (100Cr6 / 52100), Stainless Steel, Ceramic (Si3N4) |
| Accuracy Grade | P0, P6, P5, P4, P2 (ABEC 1-9) |
| Cage Material | Steel, Copper/Brass, Nylon/Polyamide |
| Sealing Type | Open, Sealed (2RS, RS, ZZ, Z) |
| Clearance | C0, C2, C3, C4, C5 |
| Lubrication | Grease, Oil (Maintenance-free options available) |
| Key Features | High precision, high speed, heavy-duty, long service life, low noise, low friction, wear and fatigue resistance |
| Application Fields | Railway, Wind Power, Aerospace, Machine Tools, Compressors, Ventilation Fans, Automotive, Mining |
Key Features & Highlights
Engineered to surpass standard industrial requirements, FAG bearings deliver exceptional mechanical advantages that directly enhance equipment longevity and output quality. The meticulous attention to detail in every component ensures that your machinery operates at peak efficiency, minimizing energy loss and maximizing throughput.
Uncompromising Precision: Manufactured with microscopic tolerances, ensuring flawless rotational accuracy even in ultra-high-speed applications, which drastically reduces vibration and mechanical wear.
Advanced Tribology: The optimized internal geometry and superior surface finishes create an ultra-low friction environment, translating to cooler operating temperatures and reduced energy consumption.
Exceptional Load Capacity: Designed to withstand immense radial and axial forces, these units maintain structural stability under extreme heavy-duty conditions without deformation.
Acoustic Excellence: Engineered for whisper-quiet operation, the internal components glide seamlessly, making them ideal for noise-sensitive environments and high-end machinery.
Robust Sealing Technology: Integrated advanced sealing mechanisms completely block out industrial contaminants, dust, and moisture, preserving the internal lubrication for years of uninterrupted service.
Brand Heritage & Engineering
Rooted in over 130 years of German engineering excellence, the FAG brand under the Schaeffler Group stands as a global beacon of mechanical perfection. This deep historical legacy is not merely about age; it is a continuous evolution of metallurgical science and precision manufacturing. For procurement teams seeking absolute reliability, this heritage translates directly into risk-free purchasing decisions.
Century-Old Expertise: Leveraging decades of specialized knowledge to produce components that set the benchmark for the entire mechanical industry.
X-life Quality Standard: The premium X-life designation guarantees significantly higher dynamic load ratings, resulting in a longer rating life and superior performance under stress.
Global Certification: Fully compliant with ISO/TS16949 and other stringent international quality management systems, ensuring every unit meets exact global standards.
Unwavering Trust: A recognized symbol of quality that instantly elevates the perceived and actual value of the machinery it is installed in, providing peace of mind for operators and engineers alike.
Material & Heat Treatment
The foundation of any high-performance rotational component lies in its metallurgical composition. We utilize only the most advanced, high-purity materials, subjected to rigorous thermal processing to achieve the perfect balance of surface hardness and core toughness. This scientific approach to material engineering guarantees resilience in the harshest industrial environments.
High-Purity Chrome Steel: Utilizing premium 100Cr6 and 52100 alloys, which offer exceptional density and resistance to micro-cracking under continuous operational stress.
Advanced Ceramic Options: Incorporating Si3N4 ceramic balls for specialized applications, providing electrical insulation, extreme heat resistance, and significantly lower centrifugal forces.
Corrosion-Resistant Stainless Steel: Engineered for humid, corrosive, or hygienic environments, maintaining structural integrity where standard metals would rapidly degrade.
Proprietary Heat Treatment: A highly controlled hardening and tempering process that maximizes surface wear resistance while retaining a ductile core to absorb sudden impact shocks without fracturing.
Performance & Efficiency
In modern industrial operations, efficiency dictates profitability. These components are specifically engineered to optimize the kinetic performance of your machinery, ensuring that every ounce of energy is translated into productive motion rather than being lost to friction or destructive heat.
High-Speed Capability: Perfectly balanced cages and rolling elements allow for extreme rotational velocities without the risk of overheating or catastrophic mechanical failure.
Heavy-Duty Endurance: Capable of sustaining massive dynamic and static loads over prolonged periods, ensuring heavy industrial equipment operates without unexpected interruptions.
Friction Reduction: The ultra-smooth raceways and optimized rolling element profiles dramatically lower the friction torque, directly reducing the power consumption of the driving motors.
Vibration and Noise Suppression: The Generation C series and similar advanced designs feature optimized kinematics that absorb operational vibrations, protecting surrounding sensitive electronics and improving workplace safety.
Product Range & Specifications
Industrial applications are incredibly diverse, requiring a comprehensive portfolio of mechanical solutions. Our extensive product matrix ensures that whether you are designing microscopic medical devices or massive offshore wind turbines, the exact specification required is readily available, streamlining your entire supply chain.
Comprehensive Typology: A complete selection including deep groove ball, tapered roller, spherical roller, angular contact, and needle roller designs to accommodate any directional load requirement.
Vast Size Spectrum: Ranging from miniature components for delicate instrumentation to massive units measuring several meters in diameter for heavy infrastructure projects.
Structural Versatility: Available in both single and double-row configurations to precisely match the spatial and load-bearing constraints of your specific equipment design.
Customizable Clearances: Offering a full spectrum of internal clearances (C0 through C5) to accommodate varying degrees of thermal expansion and tight operational fits.
Application & Adaptability
True engineering excellence is proven in the field. These components are designed to seamlessly integrate into the most complex and demanding industrial ecosystems, providing tailored solutions that address the unique environmental and mechanical challenges of specific sectors.
Railway Axle Housing Units: Featuring highly integrated designs with pre-adjusted clearances, built-in seals, pre-applied grease, and sensor interfaces for rapid, foolproof installation and safe transit.
Wind Power Generation: Engineered to withstand unpredictable, massive aerodynamic loads and extreme weather fluctuations while stationed hundreds of feet in the air.
Air Compressors & Ventilation: Utilizing highly reliable ball and needle roller configurations to ensure continuous, stable airflow for critical braking systems and industrial cooling.
Aerospace & High-End Machine Tools: Delivering the absolute precision required for microscopic machining tolerances and the fail-safe reliability demanded by strict aviation standards.
Maintenance & Total Cost of Ownership
The initial purchase price of a component is only a fraction of its true cost. Our engineering philosophy centers on drastically reducing the Total Cost of Ownership (TCO) by minimizing maintenance interventions, extending operational lifespans, and preventing costly unplanned downtime.
Maintenance-Free Innovations: Many units come pre-lubricated for life with advanced synthetic greases and sealed hermetically, eliminating the need for periodic manual relubrication.
Extended Operational Lifespan: The X-life series and enhanced metallurgical profiles can increase the functional life of the component by up to 70%, delaying replacement cycles significantly.
Downtime Eradication: By providing predictable, reliable performance, these components prevent the catastrophic failures that lead to halted production lines and expensive emergency repairs.
Simplified Assembly: Integrated unit designs reduce installation complexity and time, lowering labor costs and minimizing the risk of assembly-induced damage during equipment overhauls.
R&D & Customization Services
Standardized products cannot solve every engineering challenge. Backed by formidable research and development capabilities, we offer deep customization services to adapt our core technologies to your exact proprietary specifications, acting as an extension of your own engineering team.
Bespoke Engineering: Ability to manufacture components based on unique client blueprints, specific dimensional constraints, or unconventional load requirements.
Extreme Environment Adaptation: Custom formulations for applications requiring extreme temperature resistance, vacuum operation, or exposure to highly corrosive chemicals.
OEM/ODM Partnerships: Seamless integration into your manufacturing process, providing unbranded or custom-branded solutions that align perfectly with your product lines.
Technical Consultation: Access to expert engineers who provide comprehensive selection guidance, load calculations, and post-installation technical training to ensure optimal deployment.
Why Choose Us
Partnering with Tangshan Kuntie Technology Co., Ltd. ensures that you receive world-class industrial components backed by unparalleled service and direct-from-manufacturer pricing. We bridge the gap between premium German engineering standards and highly efficient global supply chains, ensuring your procurement process is smooth, cost-effective, and entirely reliable.
Direct Manufacturer Sourcing: By bypassing intermediaries, we offer highly competitive pricing structures without ever compromising on the rigorous quality standards expected of premium components.
Stringent Quality Control: Every batch undergoes exhaustive testing in our advanced facilities, ensuring that only flawless products reach your assembly lines.
Rapid Global Logistics: Strategically located in Tangshan City, China, our robust supply chain network guarantees swift and secure delivery to any industrial hub worldwide.
Dedicated Support Team: From initial inquiry to after-sales service, our technical and commercial teams are available around the clock to provide immediate assistance and resolve any operational challenges.
Contact Us Today: Reach out via email at kuntietangshan@gmail.com or call +86-18131595437 to discuss your specific requirements. Visit our facility at the North Side of No.4 Road, East of Tangcao Express way Connection Line, Nanbao Development Zone, Tangshan City.
FAQ
Navigating the technical specifications of high-precision rotational components can be complex. Below, we have compiled detailed answers to the most common inquiries from engineering and procurement professionals to assist in your decision-making process.
How do I determine the correct clearance (e.g., C3 vs. C4) for my high-temperature application?
Selecting the correct internal clearance is critical for preventing premature failure. For high-temperature environments, the metal rings will expand. A C3 clearance provides greater room for this thermal expansion than standard C0, while C4 offers even more. You must calculate the expected operating temperature differential between the inner and outer rings to determine the precise clearance required to maintain optimal running conditions without binding.
What specific information is required to cross-reference and replace an existing unit?
To ensure an exact match, please provide the complete alphanumeric stamp found on the outer or inner ring of the old unit. Additionally, precise caliper measurements of the inner diameter, outer diameter, and width are necessary. Knowing the specific machinery and operational environment also helps our engineers recommend an upgraded X-life version for better longevity.
Can these components operate reliably in heavily contaminated environments like mining?
Absolutely. For environments with high levels of particulate matter or moisture, we highly recommend our sealed units (such as 2RS or ZZ designations). These feature advanced labyrinth or contact seals that retain the internal synthetic grease while creating an impenetrable barrier against external contaminants, ensuring uninterrupted operation in mines, quarries, or agricultural settings.
What is the difference between standard chrome steel and ceramic hybrid variants?
Standard 100Cr6 chrome steel is excellent for general heavy-duty applications. However, ceramic hybrid units (utilizing Si3N4 ceramic balls) offer distinct advantages: they are electrically insulating (preventing electrical arcing damage in electric motors), they generate significantly less centrifugal force at ultra-high speeds, and they run much cooler, which drastically extends the life of the lubricant.
How does the X-life designation impact the Total Cost of Ownership?
The X-life designation indicates an optimized internal geometry and superior surface topography. This results in a dynamic load rating improvement of up to 15%, which translates to a lifespan extension of up to 70% under identical operating conditions. This drastic increase in longevity directly reduces replacement frequency, labor costs, and expensive machinery downtime, significantly lowering your Total Cost of Ownership over the life of the equipment.