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In when using INA bearings, we must first check the appearance of the bearing, the judgment is not in line with the standards we require. Following one to share with everyone that we should check those parts.
The INA bearings the check should astigmatism lamp, bearing the appearance of cracks and other parts of careful observation.
1, various mechanical injuries, such as rubs, scratches, bruised, bumps, etc., can cause adverse bearing installation, causing partial load and stress concentration caused by the decline in rotation accuracy and service life.
2, rust, black and pitting, the latter two are easy to store moisture and dirt defects, most likely to develop into rust. While corrosion leading to poor installation, the source of contamination of early wear and fatigue, severe corrosion causes the bearing scrap.
3, various cracks, cracks such as raw materials, forging crack, heat treatment cracks and grinding cracks, these cracks will become the source of stress concentration in the bearing during operation of the later, and rapidly expanding, causing bearing broken, the bearing life, and safety at work great impact. In fact, for the important purpose of bearing, bearing factory has its component parts and 100% magnetic ray detection checks.
4, from the skin and folding defects local base metal combined with unsound, and its surrounding often exist to varying degrees of decarburization or depleted carbon phenomenon, the materials are easy to caving, debossing or wear of the bearing life and accuracy is disadvantage.
5 riveting or welding quality of the cage, to mainly observe whether the rivet head deviation, skew, relaxation, lack of meat or "double eyelid 'correct position welding, solder joint is too large or too small, whether welding is not strong or welding caused by excessive stuck rolling body phenomenon.
Above items is part of our focus on checking the check INA Bearing, in addition to the part of the above checks, the other poor quality such as typing, such as illegible, damaged, defective should be considered more seriously, no acceptance.
The INA bearings checks should astigmatism lamp, on careful observation bearing the appearance of cracks and other parts.
1, peeling and folding:
Local defects and base metal combined with unsound, and its surrounding often exist to varying degrees of decarburization or depleted carbon phenomenon, the materials are easy to caving, indentation or wear very detrimental to bearing life and accuracy.
2, the cage of the caulking or welding quality:
MAIN OUTCOME rivet head deviation, skew, relaxation, lack of meat or double eyelids correct position welding solder is too large or too small, whether welding is not strong or welding caused by excessive stuck phenomenon of rolling elements. Above items is part of our focus on checking the check INA Bearing, in addition to the part of the above checks, the other poor quality such as typing, such as illegible, damaged, defective should be considered more seriously, no acceptance.
3, rust, black and pitting:
The latter two are easy to store moisture and dirt defects, most likely to develop into rust. While corrosion leading to poor installation, the source of contamination of early wear and fatigue, severe corrosion causes the bearing scrap.
4, various mechanical wounds:
Such as galling, scratched, bruised, bumps are caused by bad bearing mounting, causing partial load and stress concentration, resulting in a decline in rotation accuracy and service life.
5, various cracks:
Such as raw materials crack, crack forging, heat treatment cracks, grinding cracks, these cracks after bearing during operation, will become a source of stress concentration and rapidly expanding, causing the bearing rupture, a great impact on bearing life and work security. In fact, for the important purpose of bearing, bearing factory has its component parts and 100% magnetic ray detection checks
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 4T-LM603049/LM603011 NTN | 45.242 | 77.788 | 19.842 |
| 4T-LM102949/LM102910 NTN | 45.242 | 73.431 | 19.812 |