Overview
The SKF W13 lockwasher is a precision-engineered external-tooth lock washer manufactured by SKF for use with bearing lock nuts in industrial automation and mechanical power transmission applications. The helically-split design with outward-facing tangs prevents unintended rotation and maintains bearing axial preload in demanding conditions. This new-in-box unit is ready for immediate deployment.
Key Features
- External-tooth design prevents counter-clockwise rotation of lock nuts
- Helically-split ring construction ensures consistent locking performance
- Steel construction rated for industrial bearing applications
- Precision tolerances meet OEM specifications
- New in box condition—fully functional and ready to install
Technical Specifications
- Bore Diameter (ID): 65.73 mm / 2.588 inches
- Outer Diameter (OD): 90.88 mm / 3.578 inches
- Face Diameter: 77.86 mm / 3.063 inches
- Thickness (Width): 1.34 mm / 0.053 inches
- Material: Steel
- Weight: 23 g / 0.05 lb
- Inside Diameter (X): 62.36 mm / 2.455 inches
- Key Width (S): 7.4 mm / 0.29 inches
- Tang Width (T): 5.94 mm / 0.234 inches
- Series: W Series
- Part Number Format: W13
Typical Applications
The SKF W13 lockwasher is used in:
- Bearing retention assemblies on rolling-element bearings
- Industrial machinery spindle applications
- Pump and motor shaft mounting
- Gearbox and transmission systems
- Heavy equipment and power transmission equipment
- Manufacturing facilities requiring reliable bearing preload maintenance
Compatibility & Replacements
Compatible With
- SKF bearing lock nuts with W13 specification
- SKF W-series rolling-element bearings
- Standard industrial bearing mount assemblies
- OEM equipment utilizing SKF lockwasher standards
Replaces / Drop-In Replacement For
- Original SKF W13 lockwasher units
- FAG W13 bearing lockwashers (dimensionally equivalent)
- Tritan W13 bearing lockwasher assemblies
Works With
- SKF bearing lock nut assemblies (KMT, KML, CMT series)
- Sealed and unsealed rolling-element bearing applications
- Standard industrial bearing mounting systems per ISO standards
