... .000 rpm 3 Balls of Steel and Ceramic High-speed Dental Bearing of high precision level P4 (ABEC 7),usable for ... various brands of high-speed dental turbine handpieces. Product Specifications:· Bearing structure: unique flanged, with one ... RoHS Directive standard Usable for many brands of High-speed dental turbine handpieces, such as KaVo, NSK, W&H, Bien Air ...