Leave it to us for needle rollers, cylindrical rollers, small diameter shafts, and knock pins.
Rui Seiko Co., Ltd. is a company that mainly manufactures needle rollers, cylindrical rollers, crowning rollers, and produces ultra-small shafts and precision shafts. Precision rollers are processed in full custom order regardless of SUJ2 material (bearing steel). We manufacture according to the shapes, precision, and quantities desired by our customers. In addition, we have over 100 machines including cutting machines, polishing machines, grinding machines, and super finishing machines, allowing us to handle everything from prototyping to mass production with in-house integrated processing. 【Product Line】 ■ Manufacturing of needle rollers, cylindrical rollers, and crowning rollers ■ Production of ultra-small shafts and precision shafts ■ Assembly of shafts & flanges/bushings ■ Design and production of vacuum-formed products *For more details, please download the PDF or feel free to contact us.
Inquire About This Product
basic information
【Equipment Introduction】 ■ Cutting Machine ■ Polishing Machine ■ Grinding Machine ■ High-Speed Press Machine ■ Continuous Non-Oxidizing Quenching Furnace ■ Vacuum Forming Machine *For more details, please download the PDF or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please download the PDF or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
Ruii Seiko Co., Ltd. is a company that mainly manufactures needle rollers, cylindrical rollers, crowning rollers, as well as ultra-small shafts and precision shafts. We manage all processes in-house from material selection to ensure the shortest lead time while providing high-quality products. We select more efficient manufacturing flows to achieve cost reductions, so please feel free to contact us with your requests.