Bearing overhaul of judgment bearing cleaning bearing replacement

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Bearings cleaning: remove the bearing maintenance, first recorded the appearance of the bearing, to confirm the amount of lubricant remaining after sampling to check with the lubricant, wash bearings. As a cleaning agent, ordinary gasoline, kerosene. Remove the cleaning of the bearing to the points of rough cleaning and fine c leaning, respectively, on the container, first put the bottom of the metal net, bearing no direct contact with the dirt of the container. Coarse cleaning, if the bearing rotation with dirt, will damage the bearing rolling surface, it should be noted. Coarse cleaning oil, use a brush to remove to grease, adhesive material, and generally clean, and transferred to the sperm washing. Sperm washing is the bearing side of the rotating cleaning oil, while careful cleaning. In addition, cleaning the oil should be kept clean.cylindrical roller bearing
Bearing maintenance and judgment: in order to judge removed the bearings can use to check in the bearing clean. Check the raceway, the raceway, with the state of the surface wear of the cage, the bearing clearance increases and nothing to do with dimensional accuracy to drop damage, abnormal. Non-separation of small ball bearings, with one hand to the inner leve l of support, rotating outer ring to confirm smooth.
(1) tapered roller bearings and other separation-shaped bearings, rolling element, the outer ring raceway surface were examined.
â'¡ large bearing hand rotation, pay attention to check the rolling element and raceway, cage, rib surface appearance of the importance of bearing the higher the greater the need for careful inspection.
The bearing is re-use (bearing replacement) judge is to consider the bearing damage, mechanical properties, the importance of operating conditions, to the next maintenance period. However, if the following defects can no longer use, must be replaced with new bearings:
(A) inner ring, outer ring, rolling body cage cracks or gaps;china bearing
(B) ring, rolling body on any one fault;
(C) the raceway, ribs, rolling on the card hurt;
(D) cage wear, or rivets with relaxation;
(E) raceway, rolling element rust injury;
(F) the raceway, rolling on a serious indentation and hit marks;
(G) the inner ring inner diameter surface or the outer ring outer diameter surface of the apparent creep;angular contact ball bearing
(H) due to heat caused obvious discoloration;
(I) the grease-enclosed bearings, seals, or a dust cover is damaged significantly.