2) Remove the bearing housing from the roll and remove the bearing from the bearing housing. Whether it is to remove the bearing from the bearing housing or to carry out bearing inspections, special lifting methods and tools are required. Timken can provide customers with lifting tools and special lifting methods.
3) Clean the bearings. All flaking, water, residual lubricant and any other contaminants that cause severe wear on the bearings should be removed during the cleaning of the bearings. The cleaning method and cleaning agent used to clean the bearings are determined according to the size of the bearing to be cleaned or the number of bearings. Small bearings or a small number of bearings can be used with kerosene, mineral oil or other commercial solvents. For large bearings or large numbers of bearings, use a neutral oil with a viscosity of 22 cSt (or 100 SUS at 100 °F) at 40 °C in a cleaning tank.
4) Check the bearings, including visual inspections and minor repairs. On the outer surface of the inner ring or the surface of the roller on which the roller can be removed, if a small peeling or skin crack is found, the metal is usually peeled off by a sander and the edge of the peeling surface is polished.
5) The degree of bearing wear should be checked regularly, and the bearing wear can be evaluated by measuring the bearing clearance;
6) Inspect and repair the bearing housing as needed;
7) Put the bearing back into the bearing housing;
8) Inspect and repair the roll neck as needed;
9) Mount the bearing housing with the bearing onto the roll.
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