Ningbo Bolin Bearing Co., Ltd. (brand: BML), a professional manufacturer and solution provider of miniature and special bearings, is solidifying its reputation in the global bearing industry through technological innovation, rigorous quality management, and strong customization capabilities. Headquartered in Ningbo's Jiangbei District, the company has grown from its predecessor founded in 2005 into a modern enterprise operating from a 12,000-square-meter facility, with an annual production capacity reaching 300 million bearing sets.
BML specializes in high-precision miniature bearings with inner diameters ranging from 3mm to 50mm, covering deep groove ball bearings, angular contact ball bearings, needle roller bearings, and customized solutions. These products serve a broad spectrum of high-demand sectors, including micro motors, automotive components, textile machinery, automation equipment, robotics, medical devices, precision instruments, telecommunications, financial equipment, fitness equipment, and household appliances.
A key milestone in BML's quality journey is its IATF 16949:2016 certification, obtained in 2023, complementing its long-standing ISO 9001 certification. The company also holds ISO 14001 and ISO 45001 certifications, alongside 16 utility model patents covering innovations such as anti-creep bearings, thin-walled bearings, and ultra-long anti-rust bearings. These achievements reflect the company's commitment to the quality policy of "Consistency and Reliability" and the principle of "True Implementation, True Inspection, and True Improvement."
What truly sets BML apart is its deep expertise in non-standard customization and collaborative development. The company possesses independent equipment development and product design capabilities, enabling it to work closely with clients facing unique operating conditions or innovative equipment concepts. From requirement analysis and drawing design to prototype production, BML offers end-to-end tailored services, delivering "exclusive bearings" precisely matched to customer needs.
The company's customization capability is underpinned by advanced manufacturing strength. With state-of-the-art production equipment, a rigorous quality control system, and an experienced technical team, BML consistently produces bearings with precision grades up to P4 and beyond. This ensures outstanding rotational accuracy, operational stability, and extended service life even under demanding conditions such as high speed, heavy load, and low noise environments.
BML's diversified product portfolio provides customers with flexible and comprehensive solutions. Its product lines include miniature deep groove ball bearings (metric, flange, MR, stainless steel, and high-speed series), angular contact ball bearings (various contact angles and pairing configurations), needle roller bearings (HK and K series), and special bearings such as double-groove and outer spherical designs. This extensive range, combined with customization and manufacturing capabilities, enables BML to efficiently respond to both routine replacements and complex system integrations, significantly reducing customers' procurement and management costs.
With a global perspective, BML serves major markets across North America, Europe, Asia, and South America. The company has established long-term partnerships with renowned clients including KELI, MOONS', Sheng Yang Motor, and Zhengk Electromotor. Looking ahead, BML aims to achieve a 10% domestic market share in miniature and special bearings within five years, focusing on five key industries: micro motors, financial equipment, small home appliances, textile machinery, and robotics. By advancing automation, informatization, intelligence, and digitalization in production, the company is committed to becoming a premier global supplier in the miniature and special bearing sector, contributing to the advancement of high-end manufacturing worldwide.