Lubrication
The oil, oil mist, or grease used to reduce wear and avoid overheating of motor bearings. Excess lubrication can damage the windings and internal switches, etc.
See also Automatic Grease Lubrication; Boundary Lubrication; Elasto-Hydrodynamic Lubrication; Extreme Pressure Lubricant; Face Lubrication; Force Feed Lubrication; Full Fluid-Film Lubrication; Hydrodynamic Lubrication; Oil Mist Lubrication; Oil Sump Lubrication; Pressurized Lubrication; Ring Lubrication ; Splash Lubrication.