Premium 6004 Deep Groove Ball Bearing by MLZ WM Brand
High-precision 20x42x12mm bearing with superior load capacity, crafted from hardened chrome steel for extended durability. Features smooth 20mm inner diameter, optimized for high-speed rotation and minimal friction. Sealed design (LU/U variants) prevents dust and moisture ingress, ideal for industrial machinery, automotive parts, and power tools. Advanced grinding technology ensures silent operation and vibration reduction. Stocked in bulk for wholesale pricing—direct manufacturer supply guarantees unbeatable value. Trusted by global buyers for consistent performance in heavy-duty applications.