about Aosen

Your Reliable Bearing Manufacturing Partner
We are a professional bearing export company, backed by our own manufacturing facility established in 2016. With nearly a decade of experience specializing in deep groove ball bearing production, our factory delivers stable, mature, and reliable manufacturing capabilities.
Serving global markets, we offer overseas clients one-stop solutions covering customized production, quality control, stable supply, and export support.
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Our Advantages

  • Customization

    We offer end-to-end, one-stop customization services for non-standard bearings. Supported by our own manufacturing facility, we maintain full control from raw material sourcing to final delivery. Bearings can be developed based on customer drawings or samples, with structural and dimensional adjustments such as extended inner rings, grooved outer rings, and special tolerance requirements to suit specific operating conditions.

  • Quality

    A comprehensive, process-wide quality control system is in place to ensure precision and consistency. Using specialized inspection and measurement equipment, we closely monitor critical parameters including inner and outer diameters, as well as roundness. All bearings undergo standardized factory inspections—covering flatness and visual quality—before shipment, effectively preventing defects and ensuring reliable performance.

  • Multiformity

    We have established a dual-layer product portfolio combining proprietary core models with extended model options, serving bearing applications across multiple industries. Our own factory supplies 40 proven mainstream models with stable availability, while partnerships with five qualified manufacturers expand the range to over 230 models, covering non-standard customization, special materials, and high-precision bearings.

  • Capacity

    Our factory focuses on large-scale production of deep groove ball bearings, with an annual output of 13–15 million sets, ensuring secure and on-time delivery for high-volume orders.

  • Cost

    Direct supply from our own factory reduces intermediate costs while maintaining consistent quality and competitive pricing. By collaborating with five specialized partner factories, we broaden product coverage and improve overall efficiency, enabling flexible procurement solutions with strong cost advantages.

  • Customization
  • Quality
  • Multiformity
  • Capacity
  • Cost

Industry Applications

  • 01 / Food & Beverage Processing
    Equipment on food and beverage production lines (e.g., fillers, mixers, conveyors) comes into direct or indirect contact with ingredients. Bearings must comply with food safety regulations, resist corrosion from food acids, alkalis, fats, and steam, and be easy to clean to prevent bacterial growth.
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  • 02 / Marine & Shipbuilding
    The high salinity and humidity of marine environments pose severe corrosion challenges to metal components. Marine equipment (e.g., deck machinery, pumps, thruster auxiliary units) and offshore platform equipment require bearings with excellent salt spray corrosion resistance, anti-rust capability, and high load-carrying reliability.
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  • 03 / Pharma & Biotech
    Medical devices (e.g., dental handpieces, centrifuges, imaging equipment) and pharmaceutical machinery (e.g., filling lines, mixers) require bearings with exceptional cleanliness, precision, low noise, and long service life. Many applications involve frequent high-temperature, high-pressure sterilization, with zero tolerance for contamination risk.
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  • 04 / Chemical Processing
    Equipment in this industry is frequently exposed to strong acids, alkalis, solvents, and other highly aggressive chemical media. Standard bearings are highly susceptible to corrosion and rapid wear, leading to equipment failure, downtime, and even safety hazards.
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  • 05 / Water Treatment
    In wastewater treatment, desalination, pump systems, and water circulation equipment, bearings are consistently exposed to moisture, corrosive chemicals (e.g., chlorine, flocculants), and abrasive particles. This demands exceptionally high sealing, corrosion resistance, and wear resistance from the bearings.
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Latest News and Exhibitions

  • Dec
    01
    Innovative Ceramic Bearing Technology Enhances Performance in High-End Equipment
    Ningbo Aosen Bearing Co., Ltd. announced significant advancements in the research and production of high-performance hybrid and full ceramic bearings. Through the application of advanced materials science and precision manufacturing processes, the company’s new generation of ceramic bearing products is delivering reliable solutions for industries operating under extreme conditions and demanding performance requirements. “In cutting-edge fields such as semiconductor manufacturing, high-speed machine tool spindles, advanced medical equipment, and aerospace, the demand for higher bearing performance continues to grow,” said the Technical Director at Aosen Bearing. “Our ceramic bearings not only meet these requirements, but their maintenance-free or low-maintenance characteristics also help customers reduce overall operating costs and improve equipment efficiency.” The product series has already been deployed in several key projects and has received positive feedback from customers. Looking ahead, Aosen Bearing will continue to invest in research and development, driving precision bearing technology toward higher speeds, greater durability, and enhanced intelligence.
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  • Dec
    02
    Aosen Bearing Enters Strategic Partnership with a Leading Global Medical Device Manufacturer
    Ningbo Aosen Bearing Co., Ltd. recently announced the signing of a long-term strategic cooperation agreement with a global top-tier medical device manufacturer. Aosen Bearing will provide customized high-cleanliness, long-life stainless steel micro and ceramic bearings for the manufacturer's new generation of high-end diagnostic and therapeutic equipment. Medical equipment, especially devices that directly or indirectly contact patient bodily fluids or require frequent high-temperature, high-pressure sterilization, imposes nearly stringent requirements on the biosafety, reliability, and noise control of their internal moving parts. The core of this collaboration lies in Aosen Bearing's ability to provide a fully customized solution based on the specific operating conditions of the client's equipment. This encompasses material selection, special lubrication (or lubrication-free design), sealing technology, and cleanroom packaging. "The client has extremely stringent standards for suppliers' technical collaboration capabilities, quality traceability systems, and production environment cleanliness," said the Vice President of Sales and Marketing at Aosen Bearing. "We ultimately won the client's trust based on our years of technical expertise in medical-grade bearings, our strict cleanroom assembly workshops, and our quality management system aligned with ISO 13485 principles. This demonstrates that our technical capabilities and quality systems have reached world-class levels."
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  • Dec
    03
    Aosen Bearing Advances Global Water Treatment with Durable Stainless Steel Bearings
    In the face of the globally increasing demand for water resource protection and management, reliable and durable equipment has become crucial for the industry. With its full range of high-performance stainless steel bearing products, Ningbo Aosen Bearing Co., Ltd. is becoming a core component supplier for numerous global water treatment system integrators and equipment manufacturers, helping to enhance the operational lifespan and reliability of key equipment such as pumps, mixers, and aerators. The water treatment environment is perpetually humid and accompanied by corrosive and abrasive media such as chemicals, chloride ions, and suspended particles, posing severe challenges to traditional carbon steel bearings and leading to frequent maintenance and replacement. The 304 and 316 stainless steel bearings provided by Aosen Bearing fundamentally solve the problem of corrosion and rust. Furthermore, the company can offer enhanced sealing solutions, special coatings, and optimized internal clearance designs tailored to different pump types and operating conditions, ensuring stable bearing operation even in sandy or off-design conditions.
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