Open Ball Bearing 61904 20x37x9 mm Chrome Steel Deep Groove Bearing Open End, 20mm Inner Diameter, 37mm Outer Diameter, 9mm Width, High Precision Small Ball Bearing for Machinery, Motors, and RC Applications

Single 61904 Open Ball Bearing 20x37x9, Chrome Steel
✔️ Open chrome steel bearing, 20x37x9, 1-pack, no seals

This open 61904 ball bearing uses chrome steel for durability and is ideal for light to moderate load applications such as conveyors, small gear trains, and hobby machinery.

✅ Inner diameter 20 mm, outer diameter 37 mm, width 9 mm
✅ Chrome steel (AISI 52100) bearing steel for rigidity
✅ Open design with no shields or seals for easy lubrication
✅ Dynamic load rating Cr: 6350 N, Static load rating Cor: 3700 N
✅ Deep groove ball bearing design for stable radial loads
✅ Grease lubrication up to 19 000 RPM, oil lubrication up to 23 000 RPM
✅ Pack: 1 bearing

💡 What is a general purpose open ball bearing used for in light to medium duty machinery?

These bearings support rotating shafts with low friction and long life. Handy in many machines.

- open chrome steel 61904 bearing for conveyors, motors, and small gear systems
- deep groove ball bearing design helps handle radial loads efficiently
- lubrication options include grease for higher speed and oil for heavier tasks
- ideal for hobby projects, DIY machines, and light industrial setups