NJJ Bearing | High-Quality Low-Noise Deep Groove Ball Bearings Manufacturer

About NJJ Bearing

Ningbo Zhenhai Jinjinnaichi Bearing Co., Ltd. is a national high-tech enterprise specializing in the production of small-sized, low-noise deep groove ball bearings. Founded in January 2008, we are located at No. 9 Fengshui Dun Road, Zhenhai Camel Industrial Park, Ningbo City, with a construction area of approximately 10,000 square meters.

We are committed to technological progress, adopting advanced equipment and processes to develop high-performance, low-noise bearings for precision applications across industries.

Learn More on Official Site

2008

Founded

10,000+

m² Building Area

70+

Automated Production Lines

120+

Employees

Our Product Range

We manufacture a wide range of deep groove ball bearings designed for high precision, low noise, and long service life. All products are developed using advanced technology and strict quality control.

MR Series Bearings

• Low friction coefficient
• High limit speed
• Simple structure, cost-effective
• Easy to achieve high accuracy

60 Series Bearings

• Mastered core technology
• Exclusive product matching
• Cost-effective performance
• High reliability and durability

62 Series Bearings

• High load capacity
• Optimized internal geometry
• Suitable for high-speed applications
• Low noise and vibration

67 Series Bearings

• Metric thin-wall design
• Ideal for space-constrained applications
• Reduced wall thickness on rings
• Lightweight and efficient

68 Series Bearings

• Inch miniature bearings
• Compact and precise
• Used in small motors and instruments
• High rotational accuracy

69 Series Bearings

• Metric thin-wall construction
• Designed for tight spaces
• Low profile and high efficiency
• Excellent radial load handling

Flange Series Bearings

• Integrated flange for axial stability
• Used in printers, fax machines, monitors
• ABEC-1 standard accuracy
• General-purpose application fit

Custom & OEM Solutions

• Tailored to client specifications
• Low-noise and high-precision options
• Full material traceability
• Fast prototyping and delivery

Why Choose Us?

As a leading domestic micro bearing manufacturer, we combine innovation, quality, and reliability to deliver superior bearing solutions.

Quality Certified

We are an executive director unit of the Ningbo Bearing Industry Association and hold a certified quality management system, ensuring every product meets international standards.

Advanced Technology

Over 70 fully automated production lines and advanced testing equipment ensure consistent quality, precision, and high-volume output.

Global Reach

Our bearings are trusted by clients in Shanghai, Tianjin, Shenzhen, Wenzhou, and exported to international markets, serving diverse industrial needs.

Frequently Asked Questions

What types of bearings do you manufacture?

We specialize in small-sized, low-noise deep groove ball bearings, including MR Series, 60, 62, 67, 68, 69, and flange series bearings.

Are your bearings suitable for high-speed applications?

Yes, especially our MR and 60 series bearings are designed for high limit speeds and low friction, making them ideal for high-speed motors and precision instruments.

Do you offer custom or OEM bearing solutions?

Yes, we provide OEM and custom bearing manufacturing based on client specifications, including special dimensions, materials, and noise requirements.

What quality standards do you follow?

We adhere to strict quality management systems and produce bearings to ABEC-1 standards, with full testing and traceability throughout the production process.

Where is your factory located?

Our factory is located at No. 9 Fengshui Dun Road, Zhenhai Camel Industrial Park, Ningbo City, Zhejiang Province, China.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact us directly.

Visit Official Website to Contact

Email: [email protected]

Domain: njjbearing.cn

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