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Principle of Bearing Replacement and Grease Filling

2020-12-18

1. Commonly, bearing inner space should not be fulfilled with grease. Usually, it would be better to install 1/2 or 3/4 in the whole space bearing cavity.
2. Filling with 2/3 to 3/4 of the inner cavity space for axial bearing  ;
3. Filling with 1/2 (upper) and 3/4 (lower)space for radial installed bearing;
4. In easily-polluted environment, fulfill with grease in the entire space for low speed or medium speed bearings.
For high-speed bearings, put the bearings in high-quality lubricating oil before loading grease. Generally, they are soaked in the base oil of the bearing grease to be filled to prevent the bearing being burnt due to insufficient grease on the friction surface during start up.

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