Anti-rust performance

The grease used in the bearing must have an anti-rust effect,and the anti-rust agent is preferably insoluble in water.The grease should have good adhesion to form an oil film on the surface of the steel,even if the grease is filled with water,it can be maintained.

Mechanical stability

Grease will become soft during mechanical processing,resulting in leakage.When there is a vibration application,the grease will be thrown into the bearing from the bearing seat.If the mechanical stability of the grease is not enough,the grease will continue to be thrown out of the bearing,which will cause soap The structure produces mechanical collapse and damage using grease.

Oil seal

The oil seal is necessary to protect the bearing and lubricant to prevent external contamination,regardless of debris or moisture can not penetrate into the bearing to prevent damage.

Correct installation and maintenance is an important factor in the longest service life of the bearing.At the same time,attention must be paid to the cleanliness of the bearing,the correctness of the bearing selection and the selection of appropriate installation and maintenance tools.The bearing must be protected from pollutants and moisture.Install and lubricate correctly.The design of the bearing equipment,the condition of the oil seal,the type of lubricant and the lubrication cycle,and even the special maintenance all play the same important role.

Mixed grease

Never mix incompatible fats and oils.If two incompatible fats and oils are mixed,the consistency will usually become soft,and the fat may be easily lost in the end and cause loss.

If you don't know the type of grease originally used in the bearing,you must first remove the old grease inside and outside the bearing before adding grease.

The classification of grease

According to temperature and working conditions:

Greases can be classified according to their allowable operating temperature.The consistency and lubricating ability of greases are affected by the operating temperature.Bearings operating at a certain temperature must choose greases with the correct consistency and good lubricating effect at the same temperature.Grease is Manufactured in different working temperature ranges,it can be divided into low temperature(LT),medium temperature(MT)and high temperature(HT)greases.At the same time,there is a type of grease called EP(extrusion resistance)or EM,which is added with additives to Strengthen the strength of the lubricant film.

choose grease

If you choose the wrong grease,all measures to prevent bearing damage are in vain.It is very important to choose a grease whose base oil viscosity can provide sufficient lubrication at operating temperature.The viscosity is mainly affected by temperature,and it increases with temperature.When the temperature drops,it rises.Therefore,the viscosity of the base oil at the working temperature must be known.The machine builder usually formulates the use of a certain grease.Most standard greases can be used in a wide range.