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INA bearing rings and rolling heat treatment process to ensure the bearing of 150 degrees or less dimensionally stable. Higher operating temperature, you need to use a special heat treatment method. INA bearings in a corrosive environment, you need to bearing steel engage corrosive stainless steel standard bearing the code in the "S" prefix and suffix "W203B "(bearing in code meaning can refer to the site, bearing the meaning of the letters in the code (1 - 10)" series of articles). INA bearings and overall hardening bearing steel bearing dimensions and load carrying capacity the same in order to maintain its corrosion resistance, in the process of installation and use of the surface damage.
How judgment INA Bearing the possibility of re-use, decided to consider the bearing damage after the degree of machine performance, the importance of operating conditions, check cycle again. Test results, bearing damage and abnormal situations, the injury in a to identify the cause and to develop countermeasures.
Other test results, the following defects, INA bearings can not be reused, new bearings need to be replaced.
An inside and outside the ring, rolling body cage in which a crack and the emergence of debris.
2 inside and outside the ring, rolling body in which a spin-off.
Raceway, ribs, rolling body injury card.
Cage badly worn or loose rivets and powerful.
Raceway, rolling rust and injuries.
Raceway, rolling on the indentation and hit marks.
Inner diameter surface or the outer ring outside diameter of creep.
8 the overheating color powerful.
Nine. Grease seal INA Bearing seal and dust cover damage to serious.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6230 NSK | 150 | 270 | 45 |
| 6030 NSK | 150 | 225 | 35 |