... 2)Low noise, low vibration 3)Low price,good quality Good quality auto bearing 1)Chrome steel material2)Low noise, low vibration3)Low ... price,good quality 4)Demension(d,D,B): 12mm,28mm,8mmsimple in strucure popularly used in many applications high limiting speed ... bearings without filling slots ••Suitable for very high rotating speeds ••Well suited for medium high radial and axial loads in one or ...