SKF KM38 Bearing Lock Nut is a steel, KM-series metric locking nut used to axially locate and secure bearings on shafts when paired with the MB38 lock washer. It features an M190×3 thread, a 240 mm outer diameter, a 214 mm face diameter, and a 28 mm width. The KM38 is designed for use with KM-series components as part of SKF's standard locking system for metric bearings. When combined with MB38, it provides a consistent locking interface suitable for securing bearings on shafts in equipment that specifies the KM hardware family.
