Fan Motor Bearing Grease

Electric motor bearing greasing requires the motor to be de energized during the procedure.

Fan motor bearing grease.

Ball bearing applications miniature bearings applications include. Nlgi 3 is about the consistency of vegetable shortening. This allows the grease to cover the end windings of the insulation system and can cause both winding insulation. The oil to use in lubricating a ceiling fan s bearings is very specific.

Nlgi 2 is about the consistency of peanut butter. Able to handle light to moderate loads at high speeds this grease is often used on electric motor bearings for fans pumps and dryers. An electric motor bearing grease that softens more than that may leak out of the bearing with age. Stated as a number of hours l10 life indicates the life expectancy with 90 confidence that the bearings will meet the expectation.

Excess heat could decrease the effectiveness of the lubricant causing the oil to separate from the thickener. Nlgi viscosity grade is a rating of a grease s consistency. Fan motor cleaner motor scanner motor cylinder head motor spindle motor stepping motor rotary encoder view applications page sapporo precision is iso 9000 iso 9001 and iso 14001 certified. Grease compatibility with some exceptions greases with different types of thickeners should be considered incompatible with each other.

Electric motor bearing grease should soften no more than 1 to 1 5 nlgi grades in this test. Motor casing full of grease if the grease cavity is overfilled and high pressure from the grease gun is applied the excess grease can find its way between the shaft and the inner bearing cap and press into the inside of the motor. The best product for one situation is not necessarily the best product for another even when that product is considered to be the best all around product on the market. Using the wrong type can clog up the bearings and ruin the fan oftentimes requiring a full replacement.

The bearing now has to work much harder to push the rolling elements through a mud bog of grease. Mineral oil based grease derived from petroleum is more economical than synthetic oil. The increased friction and pressure from too much grease raises the temperature inside the bearing. While some grease is moved into the motor housing due to couetti flow the amount is considerably less than if the motor is operating.

The result is reduced risk of excess grease entering the electric motor stator due to couetti flow and. Fan bearing maintenance helps increase longevity and potential to reach the fan bearing s full l10 life.