61903 Open Ball Bearing 17x30x7mm Chrome Steel Deep Groove Ball Bearing Open Design With 17 Millimeter Inner Diameter 30 Millimeter Outer Diameter And 7 Millimeter Width Ideal For Precision Small Machinery And Hobby Projects

Compact 61903 Open Ball Bearing 17x30x7mm (1 pc)
✔️ Chrome steel bearing, ID 17mm, OD 30mm, width 7mm, open

The 61903 open ball bearing is a compact radial bearing designed for light to medium loads. With an open design, it allows easy lubrication and quick inspection, making it a common choice for small machinery, hobby projects, and conveyor components.

✅ Inner diameter: 17 mm
✅ Outer diameter: 30 mm
✅ Width: 7 mm
✅ Material: Chrome steel (SAE 52100)
✅ Dynamic load rating Cr: 4,600 N
✅ Static load rating Cor: 2,550 N
✅ Maximum speed: grease 24,000 RPM; oil 29,000 RPM

💡 What is an open ball bearing used for in compact machinery?

Open bearings are handy for easy lubrication and quick inspection in small machines.

- handy for hobby projects and small conveyors - supports radial loads with simple maintenance - easy to assemble in tight spaces - commonly used in precise drive trains and hobby robotics