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There is a fault in the operation of the bearing is often the case, so don't make a fuss. There is fault, judgement and treatment is the key.
1. the bearing temperature is too high
Agency operation, install the Turbo bearings parts allows a certain degree of temperature when touching body shell with your hands, does not feel hot should be the normal, instead it indicates that the temperature is too high.
Causes of bearing temperature is too high: lubricating oil quality does not meet the requirements, or degenerate, lubricant viscosity too high body assembled too tight (lack of clearance), Turbo bearing too tight; bearing washer on the shaft or housing rotation; overloaded; bearing cage or rolling of fragmentation.
2. bearing noise
Allowed light work in the work of rolling bearing noise if the noise is too large or unusual noise or impact sound, then the bearing is faulty.
Causes of noise of rolling bearings are complex, one is the inner and outer rings of bearing surface wear. Due to this kind of wear, undermined the bearing shell, turbo-charged relationship between bearing and axle tie led axis deviates from the correct location, the axis in abnormal sound when fast-moving. When bearings are tired, its surface metal Flake also pose increased radial clearance of bearing noise. In addition, insufficient bearing lubrication, formation of dry friction and bearings broken produces abnormal noises. After bearing wear loose, loose cage damage, will also have an abnormal noise of bearing failures.
Bearing maintenance and judgment: in order to determine whether removing bearings can be used, check bearing wash after.
Maintenance includes: monitor running status, supplementary and replacement of lubricants, periodic removal of the check, this is the best appropriate maintenance mechanical running condition of operating standards, carried out on a regular basis. As a matter of maintenance in the operating, rotating tones, vibration, temperature, lubricant condition, separation-bearing bearings, rolling element and the Raceway in the outer ring can be respectively checked.
Check Raceway surface, rolling, status of the mating surfaces, wear of the cage, turbo-charged increased bearing clearance and has nothing to do with dimensional accuracy decrease injury exceptions. Non-separation of small ball bearings, the inner ring support level with one hand, rotate the outer ring to confirm fluency.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7038ADB NSK | 190 | 290 | 46 |
| 7938CDB NSK | 190 | 260 | 33 |