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    (1) calcium sodium based grease. (2) composite calcium based grease. (3) molybdenum disulfide compound calcium-based grease. (4) lithium grease. (5) HP-R grease.

    Bearings on both sides of the bearing cap, on the one hand protect the bearings, so that dust does not enter the run, the other is the local storage of grease, the grease in the cover of the requirements can not be too much or too little, usually cover internal volume of 1 / 2 ~ 1/3. Bearing grease is generally added to the bearing outer ring gap of 1/3 ~ 1/2.