The Standard Locknut HNL56 is a heavy-duty steel locknut featuring a 280 mm outer diameter, 24 mm bore diameter, and a thickness of 10 mm, designed for secure bearing mounting in industrial applications. It weighs approximately 6.72 kg and includes a thread size of Tr280x4, ensuring robust locking performance. The NTN KM40 locknut offers a 200 mm bore diameter, 20 mm thickness, and weighs 3.69 kg, with an M200x3 thread, suitable for precision bearing assemblies. The AN series locknut from EIS has a 4.9375-inch (125.4 mm) outer diameter, 95 mm bore, and a slot depth of 0.166 inches, made from steel for durability. Applied’s C-Standard locknut features a compact design with precise dimensions tailored for secure fastening in mechanical systems. These locknuts provide reliable locking solutions with high-quality steel construction and precise dimensional specifications for industrial and mechanical applications.