About Ningbo City Jingyin Electromechanical Technology Co., Ltd.

Ningbo Yuhang Bearing Co., Ltd. is located in Ningbo, Zhejiang Province and was founded in 2008.It is a bearing enterprise integrating production and sales.
The company established its own bearing brand INB in 2014.Our products mainly serve the domestic medical device industry and micro-motors.We employ 3 senior engineers with many years of experience in the bearing industry,and are equipped with a full set of professional testing instruments, including hardness testers, roundness meters, profilometers, roughness measuring equipment, microscopes, and other precision instruments.
Our operation is strictly carried out in accordance with the ISO9001 quality management system.We can produce high-precision standard bearings with inner hole diameters ranging from 2 mm to 8 mm.Our products feature reliable quality with precision grades from P6 to P4.We have many years of service experience and an excellent professional sales team.
Adhering to the corporate tenet of “People-oriented, Integrity First”and practicing the corporate culture of “Pioneering and Enterprising, Brave in Innovation”,Yuhang Bearing is committed to becoming an expert in the bearing industryand providing customers with satisfactory and high-quality products.
🎓
World-Class Team
Graduates from top universities worldwide
🔬
Advanced R&D
Self-developed
🤖
Innovation Focus
Multiple innovative technologies

Our Products

View All Products →
bearing

bearing

Model: SMR74TL
Params: Size:4*7*2
Precision: P4
Limiting speed: 200000 rpm
Operating temperature: -40℃ ~ 150℃

Bearing

Bearing

Model: SR133TL
Params: Size:2.38*4.762*2.38
Precision: P4
Limiting speed: 200000 rpm
Operating temperature: -40℃ ~ 150℃

Bearing

Bearing

Model: SR144ZTLP4 W2.78
Params: Size:3.175*6.35*2.78
Precision: P4
Limiting speed: 350,000–400,000 rpm
Operating temperature: -50℃ ~ 160℃

bearing

bearing

Model: SMR144ZTLP4 W2.38
Params: Size:3.175*6.35*2.38
Precision: P4
Limiting speed: 350,000–400,000 rpm
Operating temperature: -50℃ ~ 160℃

Company Gallery

Certifications & Awards

ISO9001
ISO9001

Success Stories & Case Studies

Medical Device

Medical Device

Stable high-speed operation, extended equipment lifespan
Ultra-high speed, P4 precision, long service life, medical-grade reliability

📍 Location: CN 📦 Quantity: 80000 units

Company & Product Videos

Company Introduction & Factory Tour

⏱ Duration: 3:45 | 👁 Views: 15,230

Product Demonstration - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

Technology Innovation Showcase

⏱ Duration: 4:30 | 👁 Views: 12,890

Customer Testimonials & Success Stories

⏱ Duration: 6:20 | 👁 Views: 9,650

Ready to Transform Your Life?

Contact us immediately to learn how our products meet your needs.