http://www.maintenancetechnology.com/2017/01/understand-motor-gearbox-lubrication/ http://www.maintenancetechnology.com/2012/05/a-real-world-approach-to-improved-lubrication-part-ii-electric-motor-lubrication http://www.maintenancetechnology.com/2015/02/the-inner-life-of-bearings-part-1-how-lubrication-really-works http://www.maintenancetechnology.com/2015/05/the-inner-life-of-bearings-part-2-lubricant-selection-and-application-frequencies http://www.maintenancetechnology.com/2015/08/cool-advice-on-hot-motors/ http://www.MAINTENANCETECHNOLOGY.COM