High-precision 6221-NR Chrome Steel Ball Bearing for industrial applications. Features 105x190x36mm dimensions with deep groove design for smooth radial load handling. Made from high-grade chrome steel for exceptional durability and corrosion resistance. NR contact seal protects against dust and moisture while maintaining lubrication. Precision grinding ensures low noise and vibration levels under heavy loads. Ideal for electric motors, gearboxes, conveyor systems, and agricultural machinery. Heat-treated components provide extended service life in high-temperature environments. Strict quality control guarantees ABEC-1 precision standards. Bulk pricing available for industrial users and maintenance professionals. Direct factory sourcing ensures genuine OEM quality at wholesale costs.