SKF OR494 67x7.0 N70 nitrile (NBR) O-ring, 67 mm ID × 7.0 mm cross-section, 70 shore-A durometer. General hydraulic and pneumatic seal per ISO 3601. Standard back-up ring pairing (PTFE) for higher-pressure static applications. Fluid compatibility: mineral oil, HFA/HFB fire-resistant hydraulic fluids, air, water. Temperature -30 to +100 °C. SKF metric O-ring range.
| Type | O-ring / back-up ring |
| Designation | SKF OR494.67X7.0-N70 |
| HS code | 4016.93 |
| O-ring inside diameter | 494.67 mm |
| O-ring cross section | 7 mm |
| Compound | Nitrile rubber (N70) |
| Product net weight | 0.0769 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.