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INA bearings is installed correctly is the guarantee of their extended service life, many people do not have such expertise is not a special place at the installation, easily lead to the bearing is not properly installed, easy running of machine accident, as a professional mechanical maintenance engineer must know about bearing installation.
Generally bearing installation is in accordance with, INA bearing portion of the structure, size, and install, and its cloud-like nature of the decision, at the time of installation Note pressure time is directly added to the rings on the surface of, be sure to vertical pressure, not by turning scroll body to put pressure on bearings installed relatively common method is as follows:
For the bearing ring with shaft fits transition fit, bearing the ring with the bearing block hole of fit are a clearance fit, it fits in general are relatively easy to install, in the axis of the bearing should be fixed on the axis to avoid relatively week week ring to rotate, causes unnecessary wear and tear. Bearing installation methods here, some more spinning installation so that you can tie in with some more tight inner ring shaft.
Bearing of outer ring with bearing block tie comparison pine, within ring with axis tie comparison tight was when, on can with installed INA bearing when using of professional of pressure machine to to bearing first pressure in axis Shang, then with axis, and bearing together installed to bearing block inside, in pressure installed of when attention bearing within ring of surface prominent Shang, then pad a soft metal made of casing, material is copper of or is soft steel on can has, in Assembly casing diameter than axis neck diameter also large, od diameter than within ring of document edge also small of when, To avoid pressure on the cage.
On the inspection results, judged by the used bearings or well versed in bearing.
Standard based on mechanical performance and a significant degree of judgment and inspection cycle varies. If following injury, INA bearing shall not be reused and must be replaced.
1) faults and defects of bearing parts.
2) split of Raceway surface scroll surface.
Bearing fault identification method
Without teardown check, identify or predict INA bearings in a trouble-free operation, to increase productivity and economy is very important.
Major recognition methods are as follows:
1) by voice recognition
By voice recognition needs to have a wealth of experience. Full training is essential to achieve can identify voice and non-voice of INA bearing bearings. This should be done by hand as much as possible to carry out the work. Using the listen or hear can be clearly heard on the sound bar attached to the shell bearing sound.
2) identified by operating temperature
The method is a method to identify, is limited to use in running condition, less change of occasions. To this end, the need for continuous recording of the temperature. If a fault occurs, not only temperature, irregular changes also occur.
3) through State recognition of lubricants
Analysis on lubricant sampling, whether through the level of dirty or metal powder mixed with foreign body to judge. This option could not be closer to the look of the INA bearings or large bearings are particularly effective.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 24048CE4 NSK | 240 | 360 | 118 |
| 23048CAE4 NSK | 240 | 360 | 92 |