Premium Japanese Deep Groove Ball Bearing 61900/6900 Series
High-precision deep groove design ensures smooth rotation and minimal friction for extended durability. Features hardened chrome steel construction with ultra-fine polishing for corrosion resistance and noise reduction. Available in multiple sealing options (ZZ for metal shields, 2RS for rubber seals) to suit dust-heavy or high-speed environments. Ideal for small motors, robotics, medical devices, and precision instruments. Exclusive bulk pricing for wholesalers—direct factory sourcing guarantees unbeatable quality at the lowest global rates. Strict ISO certification compliance with Japan-origin craftsmanship.