6405 Koyo Bearing Open Type Deep Groove Ball Bearing 25 Mm Inner Diameter 80 Mm Outer Diameter 21 Mm Width Steel Body Riveted Steel Cage Round Bore C0 Internal Clearance High Precision and Long Lasting Performance

6405 KOYO Deep Groove Ball Bearing - Open Type, single unit
✔️ ID 25mm x OD 80mm x W 21mm, Open Type, riveted steel cage

The KOYO 6405 Open Type Deep Groove Ball Bearing is a general purpose rotary bearing used in machinery, conveyors, motors, and gearboxes. It supports radial loads with low friction and is designed for easy lubrication in open configurations.

✅ 25 mm bore (ID)
✅ 80 mm outer diameter (OD)
✅ 21 mm width
✅ Open type
✅ Deep groove ball bearing
✅ Steel construction
✅ Riveted steel cage
✅ Round bore
✅ C0 internal clearance

💡 What is a deep groove ball bearing used for?

These handy bearings are used for general purpose rotation in a wide range of machines and systems.

- radial-load support with low friction for smooth rotation
- handle axial loads in both directions at modest speeds
- common in motors, pumps, conveyors, and gearboxes
- open designs allow easy lubrication and inspection