Overview
The CR 9731 radial shaft oil seal is a precision-engineered radial shaft seal manufactured by SKF under their CR product line. Rated for 25x45x7 millimeter dimensions with CRW1 R construction, this seal delivers dependable performance in industrial machinery and hydraulic applications. Supplied in a lot of 5 units, these seals are suitable for replacement and maintenance programs where consistent shaft sealing is required.
Key Features
- Precision 25x45x7 mm dimensions for accurate fit and sealing
- CRW1 R construction designed for reliable pressure and temperature tolerance
- SKF CR line—trusted industrial radial shaft seal standard
- Lot of 5 units ideal for fleet maintenance and system redundancy
- New in box condition ensures product integrity
Technical Specifications
- Part Number: 9731
- Manufacturer: SKF CR
- Inner Diameter (ID): 25 mm
- Outer Diameter (OD): 45 mm
- Width (Thickness): 7 mm
- Type: Radial Shaft Oil Seal
- Seal Design: CRW1 R
- Quantity: 5 seals
- Condition: New in Box
Typical Applications
- Industrial machinery requiring shaft sealing
- Hydraulic cylinders and pump assemblies
- Motion control and automation equipment
- Bearing and gearbox protection
- Maintenance and spare parts inventory
Compatibility & Replacements
Compatible With
- Industrial machinery shafts with 25 mm bore diameter
- Hydraulic systems rated for standard radial shaft sealing
- Pump and motor assemblies using metric shaft dimensions
- Gearbox and bearing housings with 45 mm outer diameter
Replaces / Drop-In Replacement For
- Direct replacement for SKF CR 9731 seal applications
- Equivalent performance to other 25x45x7 radial shaft seals in similar applications
- Verify compatibility with your system integrator before ordering
Works With
- Standard metric 25 mm shaft systems
- Industrial oil and fluid sealing environments
- Preventive maintenance programs for rotating equipment
- Multi-unit fleet replacement scenarios
















