The FAG KM86610 is a genuine locking washer designed to securely fasten bearing locknuts. It features external tabs that engage with a slot on the shaft or adapter sleeve, and an internal tab that bends into a slot on the locknut, effectively preventing rotation. This precision-engineered component ensures the stability and longevity of bearing assemblies in various industrial applications. With an inner diameter of 80 mm, an outer diameter of 105 mm, and a thickness of 1.5 mm, it is a critical component for maintaining bearing integrity.