Lock Nuts can be used to locate bearings on shafts or adapter sleeves. They also give easier mounting of bearings with a tapered shaft seat and the mounting and dismounting of bearings on withdrawal sleeves. The lock nuts are made from steel and the tensile strength of the material is at least 350 N/sq-mm. FAG Lock Nut, Series: KM Series, 40 mm Inside Dia, 58 mm Outside Dia, 50 mm Face Dia, Fine, M40 x 1.5, 9 mm Width, Steel