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Check the bearing, do not let the bearing exposed to contaminants or moisture environment. If the work is interrupted greaseproof paper plastic sheet or similar material to cover once the machine. To focus in order to determine whether the removed bearing can be re-used, check the dimensional accuracy and rotational accuracy, internal clearance, and the mating surface raceway, cage and seals.
About inspection results can be used to bearing or proficient bearing judge.
Different standard of judgment based on the mechanical properties and the degree of importance and inspection cycle. Injury, subject to the following bearings shall not be re-used and must be replaced.
a) the bearing components in fracture and defects.
b) raceway material rolling surface stripping.
Bearings removed for inspection, good appearance record using photography and other methods. To confirm the remaining amount of lubricant and lubricant sampling, then cleaning the bearings
a bearing wash cleaning sub-coarse and fine cleaning, the bottom of the container and can be used to put a metal grid.
rough wash oil using a brush to remove grease or sticky materials. Oil rolling bearing, note that due to foreign object damage rolling surface.
c, sperm washing, in the oil slowly rotating bearings, should be carefully carried out.
Commonly used cleaning agent is a neutral water-free diesel oil or kerosene and, if necessary, are also sometimes used warm lye. Regardless of what kind of cleaning agent, must often filtered to keep clean. Immediately after cleaning, in the bearing coating rust oil or rust grease.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7940A5TYNP5 NSK | 200 | 280 | 38 |
| 7940CTYNP5 NSK | 200 | 280 | 38 |