SKF WAT-57X62X9.7-E8D hydraulic guide ring / wear ring / bearing strip. Non-sealing polymer guide ring that carries the side load in a hydraulic cylinder, preventing metal-to-metal contact between rod-piston-tube. Materials cover PTFE with bronze filler, glass-filled thermoplastic and acetal. Available as straight-cut or angle-cut strip; standard groove per ISO 10766.
| Type | Hydraulic guide ring / wear ring / bearing strip |
| Designation | SKF WAT-57X62X9.7-E8D |
| HS code | 3926.90 |
| Piston groove diameter / Rod diameter | 57 mm |
| Cylinder bore diameter / Housing groove bore diameter | 62 mm |
| Housing groove width | 9.7 mm |
| Ultimate compressive strength | 158 N/mm² |
| Design | WAT |
| Material | Polyamide (PA P-2551) |
| Product net weight | 0.012 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.