SKF PWY63X73X6.3X9 hydraulic rod wiper seal. Hydraulic cylinder wiper (scraper) seal — sits at the rod-side gland outboard of the primary rod seal to sweep debris, ice, salt spray and paint chips off the rod on the retract stroke. Metal-cased or all-polyurethane execution. Fits DIN 6210 / ISO 6194 wiper groove.
| Type | Hydraulic rod wiper seal |
| Designation | SKF PWY63X73X6.3X9 |
| HS code | 4016.93 |
| Rod diameter | 63 mm |
| Housing groove bore diameter | 73 mm |
| Design | PWY |
| Sealing lip material | Polyurethane |
| Product net weight | 0.008 kg |
| eClass code | 23-07-01-90 |
| UNSPSC code | 31181602 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention (see description for governing ISO / DIN) |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.