High-Grade Chrome Steel Construction
Crafted from premium chrome steel for superior hardness, wear resistance, and extended service life under high-speed rotations.
Precision Waterproof & Corrosion-Resistant Design
4x11x4mm dimensions with sealed ZZ shields to block moisture, dust, and chemicals—ideal for dental drills and wet environments.
Ultra-Smooth Miniature Deep Groove Ball Bearing
Optimized groove geometry reduces friction, ensuring silent operation and consistent torque for precision instruments.
Diverse Industrial Applications
Perfect for dental equipment, micro-motors, robotics, and delicate machinery requiring compact, high-performance bearings.
Bulk Order Advantage
Direct factory pricing for wholesale buyers—lowest global rates with guaranteed quality for large-volume procurement.