Open Ball Bearing 55x72x9mm Deep Groove Chrome Steel 52100 Inner Diameter 55mm Outer Diameter 72mm Width 9mm Open Bearing For Industrial Machinery, Automotive, Conveyor Systems And Precision Applications

6811 Open Deep Groove Ball Bearing 55x72x9mm
✔️ Chrome steel 52100, 55x72x9mm, open bearing, 1 pc

6811 open ball bearing is a deep groove type built from chrome steel 52100. It’s a popular choice for conveyors, drive axes, gearboxes, and automation equipment where smooth rotation and easy lubrication access are important.

✅ Inner diameter 55 mm
✅ Outer diameter 72 mm
✅ Width 9 mm
✅ Material chrome steel (52100)
✅ Dynamic load rating Cr 8,800 N
✅ Static load rating Cor 8,100 N
✅ Grease lubrication max 8,700 RPM
✅ Oil lubrication max 10,000 RPM

💡 What is an open ball bearing used for in machinery and how does size affect performance?

Open bearings are handy for rotating assemblies where lubrication can be accessed easily and where radial loads are common.

✅ It supports radial loads in rotating shafts
✅ Bore and outer diameter determine fit and load rating
✅ Open design aids lubrication and cooling in non-sealed setups