Premium Thin-Wall Deep Groove Ball Bearings – Harbin Authentic 6938/6940/6944/6948/6952 ZZ Series
High-precision chromium steel construction for exceptional durability and smooth rotation. Optimized thin-wall design saves space without compromising load capacity. Precision-ground raceways and polished balls minimize friction, ensuring quiet operation under high-speed conditions. Shielded (ZZ) design protects against contaminants while maintaining low torque. Ideal for robotics, medical equipment, CNC spindles, and aerospace applications where compact size and reliability are critical. Exclusive bulk pricing for industrial buyers – wholesale quantities available at unmatched global rates. Certified OEM-grade quality with full dimensional compliance. Stock multiple sizes (6938/6940/6944/6948/6952) for streamlined procurement. Ships in anti-corrosion packaging with full technical specifications.