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TIMKEN bearing in the process of using the harm than chemical erosion. Other aspects of the injury, the bearings can also repair or other methods to repair the bearings.
The TIMKEN bearing steel rod nitrogen atmosphere ball annealing. Be careful not to over-pickling pickling, pickling, will cause the rod surface roughness phosphide formation of coarse crystals, combined with the substrate is not strong, difficult to achieve multi-channel continuous drawing. Rods for etching activation treatment after pickling. Rod activation treatment to minimize the residence time in the air, so use overflow water rinse, either remove residual acid on the surface, but also able to plate with air isolation, maintaining the activity of the surface of the rod conducive to further processing.
Surface conditioning treatment is activated by acid etching, the rod immersed surface conditioning tank dipping 1min overflow water rinse. Surface adjusting liquid is a weak alkaline aqueous solution of a colloidal titanium salts. It can neutralize acid residue, but also played the role of the phosphating accelerator. Surface conditioning liquid after a period of time after natural aging, the treatment effect weakened the aging state solution even if the addition of new drug effect is not good, this time should be discarded fluid replacement.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7218CTYNSULP4 NSK | 90 | 160 | 30 |
| 7217ATYNSULP4 NSK | 85 | 150 | 28 |