Hybrid Deep Groove Ball Bearing 55x120x29mm Single Row With 55mm Bore And 120mm Outer Diameter 29mm Width High Load Capacity Dynamic Cr 71,500 N Static Cor 44,500 N Clearance 1 To 15 Micrometers For Precision Machinery

This 6311 hybrid deep groove bearing combines ceramic balls with steel races to deliver low friction, high speed performance and long service life. It is typically used in precision motors, automation equipment, conveyors, and other motion systems where smooth rotation and reliability are critical.

✅ Bore: 55 mm
✅ Outer diameter: 120 mm
✅ Width: 29 mm
✅ Dynamic load rating Cr: 71,500 N
✅ Static load rating Cor: 44,500 N
✅ Limiting speed: Grease 5,800 RPM; Oil 6,800 RPM
✅ Lubrication: Grease or Oil

💡 What is a ceramic hybrid deep groove bearing used for in precision machinery? Precision bearings with ceramic balls reduce friction and heat in high speed setups.
- High-speed spindles and machine tools
- Robotics and automation systems
- Conveyors and packaging lines
- Precision alignment tasks