NTN bearing load is big, the rotating speed is low, should choose the cone small grease , otherwose choose the cone big. High-speed NTN bearing choose the degree is small, cone mechanical stability good grease. Special attention is the foundation of the grease the viscosity of the oil lower.

Temperature requirements. Choose the grease of dropping points higher than the average temperature 20-30 ℃, in  the case of the high temperature continuous operation, pay attention to not more than the grease allows the use of temperature range.

Sliding NTN bearing in water or damp environment to work in the shower, should choose water resistance and good function of calcium, aluminum or lithium ; Choose has a good adhesion grease .

The following is a sliding NTN bearing grease in use when load, shaft neck circumference speed and the highest working temperature range of different analysis of the specific requirements:

Load < 1 MPa, shaft neck circumference speed 1 m/s the following, the highest working temperature 75 ℃, choose 3 calcium base fat;

Load 1-6.5 MPa, shaft neck circumference speed 0.5 5 m/s, the highest working temperature 55 ℃, choose 2 calcium base fat;

Load > 6.5 MPa, shaft neck circumference speed 0.5 m/s the following, the highest working temperature 75 ℃, choose 3 calcium base fat;

Load < 6.5 MPa, shaft neck circumference speed 0.5 5 m/s, the highest working temperature 120 ℃, choose 2 lithium base fat;

Load > 6.5 MPa, shaft neck circumference speed 0.5 m/s the following, the highest working temperature 110 ℃, choose 2 calcium-sodium and fat;

Load 1-6.5 MPa, shaft neck circumference speed 1 m/s the following, the highest working temperature 50-100 ℃, choose 2 lithium base fat;

Load > 5 MPa shaft neck circumference speed 0.5 m/s, the highest working temperature 60 ℃, choose 2 calender fat.

The correct choice of sliding bearing grease the operation NTN is extremely useful effect the  NTN operation.



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