Keep your bearings firmly in their place with this lock nut from SKF. It lets you locate, secure and pre-load bearings or other components on a rotating shaft so they don't slip out during high-speed operation. The adaptable gadget can also be used to mount tapered-bore bearings onto an adapter sleeve. Thanks to the four equally spaced slots around the circumference, installation is a breeze – simply grab a 90mm HN 12-13 hook spanner (204-4543)and tighten the nut into position.

• Hefty 108kN axial load capacity means it can handle heavy-duty operations with ease
• Reusable with a new washer, so it's a sustainable choice
• Light 190g weight won't add unnecessary strain to your system
• 85mm outer diameter means it's a compact choice for cramped work areas

• Belt pulleys
• Hoisting equipment
• Industrial gears

The SKF lock nut requiring a keyway (metric) has axial static load capacity of 108 KN. Mass of lock nut is 0.19 kg.

Thread M 65x2
Associated spanner HN 12-13
locking device MB 13

Yes – this lock nut is designed for use on keyed shafts and needs to be fitted with a locking device to stop it loosening during use. SKF's MB 13 lock washer (237-2224) is an ideal match.