In the ultra-small-diameter micro-bearings, micro-bearings with an inner diameter of φ2mm below the metric 68,69,60 series of a total of 18 species, the British R series of 6 species, on this basis, can also be divided into ZZ steel bearing dust cover series , RS rubber bearing seals series, Teflon bearing ring series, flange series, stainless steel series, ceramic ball series.
The main purpose
Office equipment micro - motor soft drive pressure rotor dental teeth drill hard disk motor stepper motor video recorders drum toys model computer fans.