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In order to give full play to INA bearings and long-term to maintain its proper performance, you must do a good job of regular maintenance (periodic inspection).
By appropriate periodic inspection, so that early detection of failure to prevent accidents in the first place, to improve the productivity and economic importance.
1, cleaning:
The INA bearings removed for inspection, first with photography and other methods to make the appearance of records. In addition, to confirm the remaining amount of lubricant and lubricant samples, and then cleaning bearings.
a, bearing cleaning of rough wash and sperm washing and can be placed in the bottom of the container used metal grid.
b, coarse wash, brush, etc. used in the oil or grease removal adhesive material.
c, sperm washing, in the oil slowly rotating bearings should be carried out carefully.
Commonly used cleaning agents for the neutral water diesel or kerosene, is sometimes necessary to use warm lye. Regardless of what kind of cleaning agent filter should always be kept clean.
After cleaning, immediately INA bearings coated rust grease oil or rust.
2, check with the judge:
In order to determine whether INA bearings removed reused, to focus on checking the accuracy of its size, rotation accuracy, internal clearance and the mating surface raceway, cage and ring.
On the inspection results, may be used to bearing or bearings were judged proficient.
Determine the mechanical properties and the criteria according to the degree of importance and checking cycles vary. If the following injury, the bearings must not be reused and must be replaced.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7011CDB NSK | 55 | 90 | 18 |
| 7011ADB NSK | 55 | 90 | 18 |