... is our commitment to quality is the bearing stability Dental drill bearing product Specifications*Rings AISI 440C stainless steel: 9Cr18 ... Dental, Bien Air, MK Dent, Siemens, Lares, Dabi-Alanle, Impact Air, Vector, Yoshida, MTI, Canister, Castellini3.1756.352.386350-45022 ... .9R2-5TLZ(2.78), R2-5TLZ, R2-5TLZZ Dental drill bearing model picture: High precision ceramic ball bearing SR144TLK SR144TLKZ1W02 ...