Alaviitsi 5 Pack 6203ZZ Deep Groove Ball Bearings, Double Metal Shielded, 17x40x12mm High Speed Bearings for Motors, Gearboxes, 3D Printers & Industrial Machinery

Alaviitsi 5 Pack 6203ZZ Deep Groove Ball Bearings, Double Metal Shielded, 17x40x12mm High Speed Bearings for Motors, Gearboxes, 3D Printers & Industrial Machinery

• Standard dimension matches most electric motors, fans, gearboxes, 3D printers, power tools and small mechanical equipment for easy replacement. "
• Both sides with metal shields to keep dust and dirt out, maintain lubrication, ensure smooth running and extend service life.
• Made of high-quality bearing steel with precision craftsmanship, provides stable rotation, low noise, strong wear resistance and long durability.
• Widely used in electric motors, 3D printers, office chairs, rollerblades, gearboxes, machine tools, conveyors, fans and industrial machinery.
• Includes 5 pieces deep groove ball bearings, pre-lubricated, durable and ready to install, perfect for daily replacement and maintenance.