Professional Deep Groove Ball Bearing 6221N/6221 NR/6221 ZN/6221 ZNR

Premium Material & Precision Engineering
Crafted from high-grade chrome steel for exceptional durability and load capacity. Precision-ground raceways and balls ensure smooth, low-friction rotation, minimizing energy loss.
Versatile Sealing Options
Available with metal shields (ZZ/2Z), rubber seals (RS/2RS), or snap rings (N/NR) to suit dust, moisture, or high-speed applications. ZN/ZNR variants feature offset snap rings for secure axial positioning.
Industrial-Grade Performance
Handles radial and axial loads effortlessly, ideal for electric motors, gearboxes, pumps, and automotive components. Heat-treated for stability under continuous operation.
Global Bulk Supply Advantage
Direct-from-factory pricing with no middlemen. Customizable bulk orders shipped worldwide. Unmatched cost efficiency for OEMs and large-scale projects.
Quality Guaranteed
Rigorous ISO testing ensures noise-free operation and extended service life. Each bearing is pre-lubricated for plug-and-play installation.