| Bearing Model Data |
FYH is the oldest and largest manufacturer of mounted ball bearing units in Japan. We began production of industrial mounted units for the Japanese market in 1950, and since then, we have established ourselves as a leading manufacturer of mounted units worldwide. Decades of experience have lead to the development of myriad advancements including automated production for individual self-aligning structure bearings which has allowed us to control and fabricate high quality metallic and ceramic bearings while adhering to extremely strict guidelines and tolerances. These manufacturing techniques, in conjunction with the utilization of high quality materials, are what truly set FYH apart from the competition. FYH abides by stringent Japanese Industrial Standards (JIS) for selection of materials and production methods and, in contrast to today’s commercially available bearings, our products’ surface finishing state is beyond that of JIS bearing specifications. Our bearings are designed with severe operating conditions in mind where high-speed rotation and heavy loads are regularly encountered. Nearly 700 kinds of bearings and 300 types of housings are available in our product line. Therefore, several thousand different combinations of mounted units and inserts are annually produced and supplied to the world market to meet a vast range of applications and industries. The Ceraball ceramic ball bearing series has also been developed on our own terms originating from the idea that ceramics can effectively replace steel balls as a viable substitute for high quality rolling elements operating in conjunction with steel bearing rings. Unlike many bearing manufactures, who purchase their ceramic balls elsewhere, we produce our own ceramic balls from extremely pure silicon nitride ceramic base material (Si3N4) which undergoes a multi-step production process that ensures uniformity at all levels. The greatest feature of the Ceraball is its durability which is substantially improved over traditional steel bearing balls. The problem of adhesion between steel balls and steel raceways can also be prevented by combining steel and ceramic. Bearing maintenance can be dramatically reduced, and even eliminated in many cases, even under highly aggressive environments. The Ceraball series is available with standard steel bearing rings and more commonly with stainless steel rings and housings which greatly improves heat and corrosion resistance. This series has been adopted in a number of technology industries including integrated circuit (IC) manufacturing lines, furnaces for drying semiconductor devices, medical based manufacturing devices, chemical fiber manufacturing devices, and so on. In those fields and many others, the demand of the Ceraball series has grown exponentially due to its extremely long operational life. Our goal at FYH is to continue our extensive research and development activities in an effort to fabricate mounted bearing units which can operate without maintenance even under the most demanding situations in applications such as the ocean and space technology sectors. Our ongoing research is specifically focused on the improvement of the Ceraball series under this all-encompassing ideology.

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Street address: 2306 Hirao Mihara Sakai Osaka 587-0022 JAPAN




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