FAG bearing grease injection method

There are four main methods for injecting grease into FAG bearings. They are the grease cup method, the smear method, the grease gun method, and the concentrated fat method.

First: fat cup method

Open the small hole next to the FAG bearing to the grease cup, and the grease in the cup is continuously replenished to the FAG bearing. For high-speed FAG bearings, a grease-reducing valve should be installed to remove excess grease from the FAG bearing by the centrifugal force when the FAG bearing rotates to reduce the friction of the FAG bearing and the temperature rise caused by high-speed rotation.

Second: smear

Use special tools when applying, and do not use bare hands. The required amount of fat is required to meet the above requirements, and the grease should be filled with all the surfaces of the FAG bearing that require lubrication. After the grease has been used for a certain period of time, it is necessary to change the fat or make up the fat.

Third: fat gun method

The grease is used to press the grease into the FAG bearing through the grease hole through pressure. This method is often used to replenish fat.

Fourth: Concentration to the lipid method

The pump is used to transport the grease to the parts of each FAG bearing through the pipeline. The flow path of the newly added grease should be able to squeeze out the old grease, so that the new grease can be filled into the lubrication points.

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High-speed INA bearings for grease performance requirements

(1) Long service life can reduce maintenance costs and reduce friction consumption of INA bearings.

(2) Suitable consistency, good damping function, can reduce the noise of high-speed INA bearings, and is conducive to environmental protection.

(3) The anti-oxidation performance is good. After the use time is long, the appearance color and pH of the grease change little, and there is no obvious oxidation phenomenon.

(4) The flow performance is good. Generally, the use temperature is between -25 degrees Celsius and 120 degrees Celsius. The starting torque is small, the running torque is low, the energy consumption is small, and the temperature change is small.

(5) It has strong rust prevention, salt spray resistance and good water resistance, and can be used in harsh working environments.

(6) The insulation grade is A, E, and B grades, and may not contain additives such as sulfur and chlorine.

(7) Good adaptability and high and low temperature performance.

(8) Lubricity and abrasion resistance are good, no oil, no drying, no emulsification, no loss, and the grease itself should not contain solids.

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