Rondelle frein MB 40

Overview This lock washer is designed for securing KM KML and HM lock nuts on shafts or adapter sleeves. The MB 40 model engages with a keyway to prevent unintentional loosening of the nut. It ensures stable and reliable fastening during installation and removal cycles. The washer must be replaced each time the lock nut is installed to maintain optimal performance. Features

• Keyway engagement ensures the lock nut remains securely in position during operation
• Tabs can be bent into lock nut slots preventing loosening caused by vibration
• Simple fastening design allows efficient installation and removal reducing downtime
• 200mm bore diameter accommodates large shaft sizes for industrial applications
• Use of new washer with each installation maintains consistent locking reliability

Application & Usage

• Used with KM
• KML
• and HM lock nuts for shaft assemblies
• Ideal for adapter sleeve installations requiring secure nut retention
• Compatible with equipment needing reliable locking devices for heavy loads