Kurosawa - Nachi

Inside the factories named after , a specific cultural ritual takes place every morning. It is called the 5-S (Sort, Set in order, Shine, Standardize, Sustain). While this methodology is now used globally, Nachi perfected it.

Today, Nachi-Fujikoshi produces its own high-purity bearing steel , controls its own forging, runs its own heat treatment furnaces, and operates its own precision grinding lines. By closing the loop, eliminated variables. If a bearing fails in the field, the company can trace the error back to the exact batch of molten steel poured six months prior. This level of control is virtually unmatched in the mass-production bearing world. Nachi kurosawa