NOK Type Hydraulic Piston Seal OUY OUYR
| ITEM | OD | ID | H |
| OUY-R 40*25*12 | 40 | 25 | 12 |
| OUY-R 45*30*12 | 45 | 30 | 12 |
| OUY-R 50*35*12 | 50 | 35 | 12 |
| OUY-R 56*30*15.5 | 56 | 35 | 15.5 |
| OUY-R 60*35*15.5 | 60 | 35 | 15.5 |
| OUY-R 60*45*15.5 | 60 | 45 | 15.5 |
| OUY-R 70*40*12 | 70 | 40 | 12 |
| OUY-R 70*45*15.5 | 70 | 45 | 15.5 |
| OUY-R 70*55*10.5 | 70 | 55 | 10.5 |
| OUY-R 80*55*15.5 | 80 | 55 | 15.5 |
| OUY-R 80*55*18 | 80 | 55 | 18 |
| OUY-R 90*70*15.5 | 90 | 70 | 15.5 |
| OUY-R 90*65*18 | 90 | 65 | 18 |
| OUY-R 100*75*18 | 100 | 75 | 18 |
| OUY-R 140*120*14 | 140 | 120 | 14 |
| OUY-R 225*200*12 | 225 | 200 | 12 |