Premium NSK 697/698/699 DDUC3 ZZC3 Micro Deep Groove Ball Bearings

High-precision miniature bearings with ultra-smooth chromium steel balls for frictionless rotation. Advanced deep groove design ensures optimal load distribution in both radial and axial directions.

Precision-ground raceways with superfinished surfaces reduce vibration and noise below 45dB. Features NSK"s proprietary ZZ metal shields for superior dust protection without speed reduction.

Ideal for high-RPM applications: drone motors, dental tools, RC vehicles, and miniature gearboxes. Each bearing undergoes rigorous NSK quality testing for concentricity ≤0.003mm.

Industrial-grade lubricant extends service life to 15,000+ hours under continuous operation. Exact dimensional compliance (ID/OD 4x11x4mm) ensures drop-in replacement for OEM parts.

Direct factory pricing with bulk discounts available. Ships in anti-corrosion vacuum packaging with technical datasheets. MOQ 100pcs for wholesale buyers.