Precision Deep Groove Ball Bearing 6904 – 20x37x9mm
Ultra-smooth operation with high-grade chrome steel construction for minimal friction and extended durability. Precision-engineered 20x37x9mm dimensions ensure seamless fit in model making, DIY projects, and miniature machinery. Ideal for hobbyists, robotics, and industrial applications requiring reliable, low-noise performance. Heat-treated rings and nylon cage for superior load capacity and resistance to wear. Bulk pricing available – wholesale discounts for large orders, backed by global supply chain efficiency.