K18 203.2-177.8/1 8 × 7 × 1.25 in Hydraulic Piston Seal ID × OD × H: 7 × 8 × 1.25 in




Dimensions: 7x8x1.25in
K18 is a five piece double acting compact seal which consists of one elastomeric nitrile rubber sealing element, two polyester elastomer back-up rings on both sides to prevent extrusion into the sealing gap and two special profiled guide rings produced from thermoplastic to absorb transverse forces.
- Material:NBR/TPE/POM
- Temperature:-30 ° C to 105 ° C
- Pressure limit:400 bar
- Speed limit:0.5 m/s
In Stock
Need a different size or material? Custom machined seals from your drawing or a worn sample.
K18 203.2-177.8/1 size and specifications
K18 203.2-177.8/1 is a hydraulic piston seal with the PH520 profile, size 177.8 × 203.2 × 31.75 mm (7 × 8 × 1.25 in), made of NBR/TPE/POM. Bore-first size (bore × groove × width): 8 × 7 × 1.25 in, also written 8x7x1.25. In stock and ready to ship. Free US shipping on orders over $100, same-day dispatch on orders placed by 11 AM ET, and 90-day returns.
| Dimension | mm | inch |
|---|---|---|
| Inner diameter (ID) | 177.8 | 7 |
| Outer diameter (OD) | 203.2 | 8 |
| Height (H) | 31.75 | 1.25 |
- Material
- NBR/TPE/POM
- Profile
- PH520
- Seal type
- Piston Seals
- Part number
- K18 203.2-177.8/1