... form a stable lubricating film; 3, static or hydrodynamic bearings can be used viscosity of the lubricant; 4, surface roughness or ... sliding bearings can be used to grease, grease with mineral oil, a variety of thickening agent (such as calcium, sodium, lithium, aluminum and ... commonly used air gas, used for high speed and can not be used at the oil or grease. Lubrication method Bearing lubricant is ...