Premium Japan Brand 6309 LU Deep Groove Ball Bearings – High Precision & Durability

Ultra-Smooth Performance
Precision-engineered with high-grade chrome steel for reduced friction, ensuring quiet operation and extended lifespan under heavy loads.
Advanced Sealing Technology
Features RS (rubber seal) variants (6003-RS, 6203, etc.) for superior dust/contaminant resistance, ideal for humid or dirty environments like industrial machinery and automotive applications.
Versatile Compatibility
Interchangeable with 6300/6200 series, perfect for electric motors, conveyors, pumps, and DIY projects requiring reliable rotational support.
Global Bulk Supply Advantage
Direct factory sourcing guarantees the lowest wholesale prices, no middlemen. Customizable bulk orders available for industrial buyers.
Trusted Japanese Craftsmanship
Rigorous ISO-certified manufacturing ensures micron-level accuracy, backed by decades of bearing expertise.