SKF WAT 125-2250-750-E8D hydraulic guide ring / wear ring / bearing strip. Cotton-reinforced phenolic resin bearing strip for hydraulic and pneumatic piston and rod guiding. Prevents metal-to-metal contact between piston and cylinder bore. Standard for heavy-duty press, forge, marine deck-machinery and offshore-hydraulics cylinders. Cut to length from stock roll; direct interchange to Trelleborg WR / WPA and Merkel Fey wear rings.
| Type | Hydraulic guide ring / wear ring / bearing strip |
| Designation | SKF WAT125-2250-750-E8D |
| HS code | 3926.90 |
| Piston groove diameter / Rod diameter | 50.8 mm |
| Cylinder bore diameter / Housing groove bore diameter | 57.15 mm |
| Housing groove width | 19.3 mm |
| Ultimate compressive strength | 158 N/mm² |
| Design | WAT |
| Material | Polyamide (PA P-2551) |
| Product net weight | 0.0149 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.