Nowaday, the quality required of the bearing steel became higer and higer. Quality of the exported bearing steel, in particular, was much more rigorous. The titanium content of that exported products should below 30ppm.
In recent years, Dongbei Special Steel Group(DSSG) paid more attention to the metallurgy of bearing steel whose titanium content was below 30ppm. After long terms hard work, they made it at last. Their success in the metallurgy of low-titanium steel made themself the leading enterprise in China metallurgical industry. It marked the begining of a transition of China steel industry from middle grade to high grade and high value-added.
About Dongbei Special Steel Group
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 51268M bearing | 340 | 460 | 96 |
| 51168MP bearing | 340 | 420 | 64 |