Miniature bearings refers to metric, outer diameter of less than 9mm; British series, various types of bearings is less than 9.525mm outer diameter! Mainly made of carbon steel, bearing steel, stainless steel, plastics, ceramics, and minimal internal diameter of which can be done 0.6mm, diameter of 1mm more.

Ultra small aperture of miniature bearings, types include miniature deep groove ball bearings series 68, 69 series, 60 series, total 6 inch r series, on this basis, can be divided into steel dust cover with ZZ bearings micro, RS rubber sealing ring bearing series, the Teflon sealing washer and flange flange series, and so on.

Miniature bearings are suitable for all kinds of industrial equipment, small rotary motor high speed low noise field, such as:

Office equipment, micro motors, instrumentation, laser engraving, watches, soft drive pressure rotor, Dental drill, drive motors, stepper motors, video recorders, drum, toy models, computer cooling fan, counting machines, fax machines and so on related fields.