... be perfectly usable for high-speed dental turbine handpiece Dental bearing/dental bearing/Dental handpiece bearingProduct Specifications*Rings AISI 440C stainless steel ... ,BIEN AIR, MIDWEST,STAR,FARO,ADEC,SIEMENS,LARES,etc.Dental bearing size:6.35(1/4") * 3.175(1/8") * 2 ... * 3.175 * 2.787.938 * 3.175 * 2.38 Dental Bearing