... to quality is the bearing stability Dental drill bearing product Specifications*Rings AISI 440C stainless steel ... Siemens, Lares, Dabi-Alanle, Impact Air, Vector, Yoshida, MTI, Canister, Castellini3.1756.352.386350-45022-25kpa<=70SR144TLKZN3 ... -5TLZZ Dental drill bearing model picture: High precision ceramic ball bearing SR144TLK SR144TLKZ1W02 SFR144TLW SFFR144TLZW dental drill machine bearing