Date: 2013-08-20

Maintenance roll neck bearings the general steps

1) SKF Bearings tracking the location of the mill and recorded. Provide maintenance services for the roll neck bearings record card can be used for recording the bearing seat, roll number, frame number, position on the rolling mill bearing, outer bearing area and rolled products bearing tonnage and number of hours worked and other data. Record card should always updated and easy maintenance staff checked with the bottom margin can record measurement data and other tests bearing details;
2) Remove the bearing from the roller seat, remove the bearings from the bearing seat. Remove both from the bearing housing or the bearing FAG bearings checking when they need special lifting methods and tools to provide customers with the tools and special lifting lifting these recommendations;
3) cleaning bearings. NSK bearings the cleaning process should be peeled off to remove all water, residual lubricants and any other bearing severe wear may cause dirt. Cleaning bearings used in cleaning methods and cleaning agents to clean the bearing size is based on the number of decisions or bearing, small bearing or small bearing available kerosene, mineral oil or other commercial solvents. For large bearings or large bearing, can be at 40 ° C a viscosity of 22cSt (or 100 ° F to 100SUS) of the neutral oil in the washing tank clean.
4) Check the TIMKEN bearings, including visual inspection and minor repairs. Can be removed in the inner roller surface or roller out of the loop on the surface, if we find there has been little flaking or cracked skin, usually grinding machine rubbed and polished metal flake flaking surface edges.
5) INA bearings should be checked regularly wear by measuring bearing clearance to assess the wear condition of bearings;
6) If necessary, check and repair bearing;
7) Replace the bearing block;
8) If necessary, check and repair the roll neck;
9) with a bearing housing mounted to the rolls.

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Hot Products:

Product Model	Inside Diameter	Outside Diameter	Thickness
7240A NSK	200	360	58
7040A NSK	200	310	51

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