With the plan to develop China large passenger jets & their matching projects, both home companies and foreign ones have eagerly started their investment.
James W. Griffith, the President & CEO of Timken (a leading global precision bearings manufacturer for aerospace industry) said in
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| HCB71828-E-TPA-P4 bearing | 140 | 175 | 18 |
| HCB71828-C-TPA-P4 bearing | 140 | 175 | 18 |