Miniature bearing
Time : 2018-8-13From : This website
Micro bearings refer to the metric series with an outer diameter less than 9mm; English series, various types of bearings with an outer diameter less than 9.525mm! The main materials include carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., with a minimum inner diameter of 0.6mm, and generally more with an inner diameter of 1mm.
In the ultra small aperture micro bearings, there are six types of micro deep groove ball bearings, including metric 68 series, 69 series, 60 series, etc., and British R series. On this basis, they can also be divided into micro bearings with ZZ steel plate dust cover series, RS rubber sealing ring series, Teflon bearing sealing ring series, and flange flange flange series, etc.