Y630-5 Dosing metering grease pump Accurate grease quantity measurement adequate lubrication .It is generally difficult to determine the quantity of grease when manually lubricating bearings, either using a grease gun or pump. which can result in either over or under greasing the bearing .That can negatively influence the bearing's service life and possibly result in machine breakdown. Dosing scope:0.1-5g Accuracy :more or less 1% Max. pressure :