Precision Deep Groove Ball Bearings for Demanding Applications
Manufactured by NINGBO U&J BEARING CO., LTD — IATF 16949:2016 certified producer of high-performance bearings used in automotive, electrical, and industrial machinery worldwide.
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Manufactured by NINGBO U&J BEARING CO., LTD — IATF 16949:2016 certified producer of high-performance bearings used in automotive, electrical, and industrial machinery worldwide.
A trusted manufacturer of precision ball bearings with a commitment to quality, innovation, and global standards.
NINGBO U&J BEARING MANUFACTURING CO., LTD is an internationally recognized bearing manufacturer based in Yuyao, Ningbo, China. With advanced production lines and strict quality control systems, we deliver reliable deep groove ball bearings and miniature bearings for a wide range of industries.
Our bearings are widely applied in motorcars, motorbikes, household electrical appliances, textile machinery, agricultural equipment, and miniature electrical devices. We combine precision engineering with durable materials to ensure long service life and optimal performance.
We use only high-grade materials to ensure durability, corrosion resistance, and smooth operation under demanding conditions.
The rings and balls of our bearings are made of steel GCr15 or stainless steel 9Cr18. The cage is formed by punching quality cold-rolled steel. Plastic cages are also available upon request for specialized applications.
High-precision deep groove ball bearings and miniature bearings engineered for performance and reliability.
Standard series for motors, appliances, and industrial use. High load capacity and low noise.
Compact design for small motors, drones, and precision instruments. Stainless steel options.
Double-sealed for dust and moisture resistance. Ideal for harsh environments.
No seals for easy maintenance and high-speed applications. Lubricated with premium grease.
ABEC-5 and ABEC-7 grades available. Used in high-speed spindles and medical devices.
Heavy-duty construction for textile, agricultural, and conveyor systems.
Corrosion-resistant 9Cr18 material. Perfect for food processing and marine environments.
Silicon nitride balls with steel rings. Higher speed, lower heat, longer life.
Integrated flange for precise axial location. Common in small motors and gearboxes.
Metal shields protect against debris while allowing re-lubrication. Balanced performance.
Special heat-resistant grease and materials for ovens, dryers, and industrial heaters.
We offer OEM/ODM services. Custom sizes, seals, lubricants, and materials available.
Our quality management system meets the highest automotive industry standards.
Engineered for smooth, low-friction operation even at extreme rotational speeds.
Trusted by clients in Europe, North America, Asia, and beyond.
15+
Years in Industry
50M+
Bearings Produced
60+
Countries Served
99.8%
Customer Satisfaction
The company boasts an advanced production line featuring automatic precision bearing grinding, machining, assembling, cleaning, and grease-injection systems.
Every bearing undergoes rigorous testing, including vibration (speed) inspection using BVT systems to ensure noise levels and rotational smoothness meet international standards.
The rings and balls are made of GCr15 chrome steel or 9Cr18 stainless steel. Cages are typically cold-rolled steel, with plastic options available.
Yes, NINGBO U&J BEARING CO., LTD is IATF 16949:2016 certified, ensuring compliance with automotive quality standards.
Yes, we offer OEM and ODM services. Contact us for custom sizes, seals, lubricants, and materials.
Our bearings are used in automotive, electrical appliances, textile machinery, agricultural equipment, and precision instruments.
Yes, sample requests are welcome. Please visit the official website for more details.
For inquiries, quotes, or technical support, please visit the official U&J Bearing website.
Tel: +86-574-63816589, 62196792
Fax: +86-574-63891175, 62196795
Email: [email protected]
Add: No.26 Lujiafan Road, LangXia District, Yuyao, Ningbo, China
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