
Ningbo, Zhejiang, China
Thin-wall ball bearings for compact mechanisms
Ningbo Shilong manufactures high-precision bearings under the RCL name. Its published catalogue includes 67, 68, 69 and 60 series, with an emphasis on thin-wall bearings for compact mechanisms. Application pages identify encoders, motors, robots, bicycles and circular looms. Space envelope and rotational requirements are useful starting points for a technical inquiry.
Published ranges: 67- and 68-series thin-wall bearings · 69-series ball bearings · 60-series ball bearings
131 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Zhangzhou, Fujian, China
Miniature ball and thrust bearings
Zhangzhou Runshida manufactures miniature and small deep groove ball bearings and flat thrust ball bearings under the Runstar name. Its published company scope gives a bore range of 1–50 mm and includes nonstandard development. Applications span instruments, small motors, appliances, medical equipment and fishing tackle; dimensions and closures still require model-specific confirmation.
Published ranges: Miniature deep groove ball bearings · Small deep groove ball bearings · Flat thrust ball bearings · Nonstandard miniature designs
223 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Shanghai, China
Miniature and thin-section ball bearings
Shanghai Hengan manufactures miniature bearings under the SFH brand, with a factory in Wuxi and technical and inspection functions in Shanghai. Its catalogue covers metric, inch and flanged deep groove bearings, thin-section designs, double-row angular contact bearings and thrust bearings. Special nonstandard designs are also listed.
Published ranges: Metric and inch miniature deep groove bearings · Flanged miniature bearings · Thin-section ball bearings · Double-row angular contact and thrust bearings
51 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ningbo, Zhejiang, China
Deep groove bearings for motors and automotive use
Cixi Sihai develops and manufactures deep groove ball bearings. Its published scope gives a bore range of 6–35 mm and lists 6000, 6200, 6300, 6800 and 6900 series. Applications include vehicles, appliances, power tools, instruments and office equipment. Automotive engine-related references should be matched to the exact assembly.
Published ranges: 6000, 6200 and 6300 series · 6800 and 6900 series · Automotive engine-bearing applications
85 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ningbo, Zhejiang, China
Miniature and small bearings
Yuyao Global manufactures miniature and small bearings. Its published product organization includes rubber-sealed and metal-shielded designs, with applications in appliances, automotive systems, communications equipment and medical devices. The company describes manufacturing and inspection operations in Yuyao; closure type and lubrication should be agreed for the operating environment.
Published ranges: Miniature and small bearings · Rubber-sealed bearing designs · Metal-shielded bearing designs
71 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24