Japan N-K Bearing Technology Co., Ltd. Founded in 1988 and headquartered in Tokyo, Japan, N-K Bearing Technology is a professional bearing enterprise integrating R&D, manufacturing, and sales. With wholly-owned and holding factories in Japan and Germany, we specialize in the R&D and production of high-quality, high-precision, and specialty bearings. Our product range covers over 30,000 types of bearings, with inner diameters from 1mm to outer diameters of 6,000mm, and an annual output exceeding