Miniature bearings refer to metric series with an outside diameter of less than 9mm.Inch series, all kinds of bearings with outer diameter less than 9.525mm!The main materials include carbon steel, bearing steel, stainless steel, plastics, ceramics, etc., of which the minimum diameter can be 0.6mm, and generally more with an inner diameter of 1mm.In ultra-small bore micro-bearings, the types of micro-deep groove ball bearings are 68 series, 69 series, 60 series, etc., and there are 6 series of r-series in English. On this basis,It can also be divided into bearing series with ZZ steel plate dust-proof cover, miniature bearing series with RS rubber sealing ring, teflon bearing sealing ring series and flange baffle series, etcThe micro-bearing is suitable for all kinds of industrial equipment, small rotary motors and other fields with high speed and low noise, such as:Office equipment, miniature motor, instrument, laser engraving, miniature clock, soft drive, pressure rotor, dental drill, hard disk motor, stepper motor, VCR drum, toy model, computer cooling fan, cash counting machine, fax machine and other related fields.
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