Overview
The Clipper PSA2-12256 oil seal is a general-purpose rotary shaft seal manufactured by Parker Hannifin. It features an integrally precision-molded rubber/aramid fiber composite outer case and elastomeric sealing lip. This spring-loaded, single lip, solid rotary seal is designed for applications requiring dependable leak prevention and shaft protection across industrial machinery.
Key Features
- Nonmetallic OD for damage-free installation
- Stainless steel garter spring provides correct interface with rotating shafts
- Single-lip design optimized for general-purpose industrial sealing
- Unique nonmetallic construction will not rust or corrode
- Gasket-type seal between housing and seal outer diameter for enhanced reliability
Technical Specifications
| Part Number | PSA2-12256 (0562-12256) |
| Manufacturer | Parker Hannifin (Clipper Brand) |
| Type | Rotary Shaft Seal |
| Design | Spring-Loaded Single Lip |
| Seal Material | NBR (Nitrile) |
| Outer Case Material | Rubber/Aramid Fiber Composite |
| Spring Material | Stainless Steel |
| Shaft Diameter | 5.625 inches |
| Bore Diameter | 6.625 inches |
| Seal Length | 0.500 inches |
Typical Applications
Light industrial, mining, paper, steel, food processing, marine, aerospace and petrochemical applications benefit from Clipper oil seals. These seals are ideal for pump shafts, motor shafts, gearbox shafts, and other rotating equipment requiring leak-free operation and extended service life.
Compatibility & Replacements
Compatible With
- Pump and motor shafts in industrial machinery
- Gearbox bearing housings
- Hydraulic and pneumatic equipment
- Equipment operating with oil-lubricated rotating shafts
- Standard metric and imperial shaft sizing applications
Replaces / Drop-In Replacement For
- Part Number 12256 H1L5 rotary seals
- Split Clipper seal model 0550-12256
- General-purpose oil seals in equivalent size and pressure class
Works With
- Parker Clipper rotary seal product line
- Standard industrial seal housings and grooves
- Equipment using NBR elastomer seals
- Oil-based lubrication systems












