... Machinery,Scanning Equipment,Optical Equipment,Semi-Conductor,Rotary Joints,Manufacturing Equipment,Military Turrets,Slip Ring Assemblies,Robotics, ... chemical compatibility.Freerun Bearing has manufactured thin section ball bearings from SAE 440C stainless steel to provide ... and M50 steel.Freerun Bearing supplies thin section ball bearings with many different lubricants depending on the Mapplication ...