6904 Koyo Bearing Open Type Deep Groove Ball Bearing 20 mm ID x 37 mm OD x 9 mm Width With Riveted Steel Cage For Durable, Smooth Rotation In Machinery

6904 KOYO Open Deep Groove Ball Bearing 20x37x9 mm, single
✔️ Open type deep groove bearing, 20x37x9 mm, steel cage, C0

KOYO 6904 open deep groove ball bearing is a general purpose radial bearing designed for low-friction rotation in compact machinery. This type is widely used in motors, gear drives, conveyors, and linear motion setups where a simple, reliable bearing is needed.

✅ Open type deep groove bearing with round bore
✅ 20x37x9 mm IDxODxW
✅ Steel construction with riveted cage
✅ C0 internal clearance
✅ Suitable for small machinery and hobby projects

💡 What is a deep groove ball bearing used for in small machinery?

Deep groove ball bearings are handy for radial loads and smooth rotation in compact setups. Handy for motors, gear trains, hobby projects, and precision equipment.

- Handles radial loads with low friction
- Fits into tight spaces thanks to a small bore
- Works with standard shafts and housings
- Great for hobbyists and small shop projects