SKF PWB15X21.6X3.8 — Hydraulic rod wiper seal
SKF · Seals & Gaskets · Hydraulic Wiper Seals
SKF PWB15X21.6X3.8 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. Designation follows the SKF alphanumeric identification convention where the numeric block encodes the boundary plan and the suffix declares execution options (material, sealing, cage, precision, clearance, lubricant). Genuine SKF supply carries the SKF logo etch or moulded mark and hologram-authenticated packaging.
Specifications
- Part number
- PWB15X21.6X3.8
- HS code
- 4016.93
- Material
- As declared by SKF designation suffix
- Temperature range
- Per SKF product data
- Standard
- SKF designation convention (see description for governing ISO / DIN)
Compatibility
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Also known as — OEM cross-references & superseded numbers
- Trelleborg 1521638
- Parker 1521638
- Freudenberg 1521638
- Hallite 1521638
- Competitor equivalent: 1521638 (Trelleborg)
- Competitor equivalent: 1521638 (Parker)
- Competitor equivalent: 1521638 (Freudenberg)
- Competitor equivalent: 1521638 (Hallite)
Seals & Gaskets · More SKF · Printable datasheet