The PTI KM30 locknut is a precision-engineered component designed to securely fasten bearings onto a shaft. Featuring an M150x3 thread, this locknut has an inner diameter of 150 mm, an outer diameter of 190 mm, and a width of 20 mm. It is commonly used in conjunction with an MB30 lock washer to prevent loosening due to vibration and rotational forces, ensuring reliable operation in various industrial and agricultural machinery applications.