Overview
The SKF LOR140 is a precision labyrinth bearing seal manufactured by SKF for industrial pump and bearing housing protection. Constructed from aluminum for durability and corrosion resistance, this seal is engineered to prevent contamination ingress while maintaining efficient operation in demanding environments. The LOR140 is part of SKF’s established line of PosiTrac labyrinth seals and represents the quality and engineering expertise SKF brings to sealing solutions worldwide.
Key Features
- Aluminum construction for enhanced durability and corrosion resistance
- Triple-ring labyrinth design for superior sealing performance
- 5-15/16″ bore diameter accommodates mid-range bearing housings
- Made in USA — built to exacting SKF standards
- Cost-effective contamination barrier for SAF and SAW housing sizes
- New in box condition, factory sealed
Technical Specifications
The following specifications are based on manufacturer documentation and distributor data:
Typical Applications
- Bearing housings: Mid-size SAF and SAW bearing housing protection (up to housing size 13)
- Pump seals: Contamination barriers in pump end-user environments
- Industrial machinery: Any rotating equipment requiring labyrinth-style seal protection
- Maintenance and replacement: OEM and aftermarket seal replacement in existing installations
- Sealed cavity lubrication: Works with grease-filled sealing cavities for enhanced protection
Compatibility & Replacements
Compatible With
- SKF SAF and SAW bearing housing models (sizes up to 13)
- Mid-range bearing housings requiring 5-15/16″ bore seals
- Standard bearing maintenance and rebuild applications
Replaces / Drop-In Replacement For
- Previous SKF LOR140 generations and configurations
- Equivalent third-party labyrinth seals with matching bore diameter specifications
- Verify compatibility with your system integrator or OEM before ordering to ensure proper fitment
Works With
- SKF bearing housings and mounting systems
- Grease-filled sealing cavity installations
- Standard mechanical seal mounting and retention hardware










