Bearing lubrication: Grease vs Oil

Both oils and greases have their advantages and we’ll forgive you for using the terms interchangeably. Technically though, grease is defined as an oil mixed with a thickener. Because of this, oils tend to provide higher running speeds, but will not stay in place as effectively. Therefore, continuous re-application may be needed whether the bearing is sealed or not - here, we explore what the best option is for your application.