Ningbo Bolin Bearing Co., Ltd.

Ningbo Bolin Bearing Co., Ltd.

Ningbo Bolin Bearing Co., Ltd. (BML): A Precision Powerhouse in the Miniature Bearing Industry

2026 07/18

Ningbo Bolin Bearing Co., Ltd., operating under the brand name BML, has established itself as a leading manufacturer and solution provider of miniature and special bearings. Strategically headquartered in Ningbo, Zhejiang Province—a key hub for China's manufacturing sector—the company has grown from its origins in 2005 as Ningbo Yonghui Bearing Co., Ltd. into a modern enterprise with a 12,000-square-meter facility and an annual production capacity of up to 300 million bearing sets.

A Legacy of Precision and Innovation. With a clear mission to become a "Professional Provider of Miniature and Special Bearings," BML specializes in high-precision bearings with inner diameters ranging from 3mm to 50mm. Its core product portfolio includes miniature deep groove ball bearings, angular contact ball bearings, needle roller bearings, and customized specialty bearings. These products are widely deployed across micro motors, automotive components, textile machinery, automation equipment, robotics, medical devices, precision instruments, telecommunications, and white goods—underscoring the company's versatility and engineering excellence.

Commitment to Quality and International Standards. BML's dedication to quality is validated by its rigorous certifications, including IATF 16949:2016, ISO 14001:2015, and ISO 45001:2018, alongside its long-standing ISO 9001 certification first obtained in 2007. These accreditations reflect the company's uncompromising commitment to consistency, reliability, and continuous improvement through its "True Implementation, True Inspection, and True Improvement" quality philosophy. With 16 utility model patents covering anti-creep bearings, thin-walled designs, and ultra-long anti-rust bearings, BML demonstrates robust R&D capabilities and a forward-looking approach to technological innovation.

Advanced Manufacturing and Customization Capabilities. BML's modern production facility is equipped with state-of-the-art automated assembly lines, precision grinding equipment, and comprehensive testing instruments. The company's lean manufacturing system, supported by ERP and MES digital management, ensures full traceability and consistent product quality. One of BML's standout strengths is its exceptional non-standard customization capability, offering tailored solutions for special operating conditions such as high speed (up to 80,000–120,000 rpm), extreme temperatures (from -60°C to 200°C), corrosion resistance, and low noise requirements. This customer-centric approach enables BML to develop "exclusive bearings" that precisely match unique equipment specifications.

A Global Partner with a Local Touch. BML has built a professional international business network, serving clients across North America, Europe, Asia, and South America. Trusted by renowned partners including KELI, MOONS', Sheng Yang Motor, and Zhengk Electromotor, the company has earned a strong reputation for reliability and service excellence. Its dedicated sales and technical teams provide one-stop support, from product selection and customization to after-sales service, ensuring seamless cooperation with customers worldwide.

Looking Ahead: Driving the Future of Miniature Bearings. With a strategic goal to capture 10% of the domestic market share in miniature and specialty bearings within five years, BML is committed to advancing automation, informatization, and intelligent manufacturing. By focusing on core product lines such as 625, 693, and MR52 series, the company aims to become the preferred supplier in five key industries: micro motors, financial equipment, small home appliances, textile machinery, and robotics. As BML continues to innovate and expand, it remains dedicated to creating value for customers and contributing to the advancement of global high-end manufacturing.