Harbin Bearing Authentic 6938/6940/6944/6948/6952 ZZ Deep Groove Ball Thin Wall Bearings

Premium Material & Precision Engineering
High-grade chrome steel construction ensures durability and smooth rotation. Precision-ground raceways and polished balls minimize friction for ultra-quiet operation.
Ultra-Thin Design for Space-Saving Applications
Optimized thin-wall structure reduces weight while maintaining load capacity—ideal for compact machinery, robotics, and automotive components.
Versatile ZZ Shield Protection
Dual metal shields (ZZ) prevent dust and debris ingress without compromising speed, extending service life in demanding environments like conveyor systems or medical equipment.
High-Speed & Low-Noise Performance
Pre-lubricated with premium grease for immediate use, supporting high RPMs in electric motors, drones, or industrial gearboxes.
Global Wholesale Advantage
Direct factory pricing for bulk orders—lowest online rates guaranteed. Reliable supply chain ensures stock availability for all industrial or DIY projects.
Wide Compatibility
Standard dimensions (6938/6940/6944/6948/6952) fit most OEM replacements. Trusted by mechanics and engineers worldwide.