ハイブリッド深溝玉軸受55x120x29mm 単列、55mm 内径、120mm Outer Diameter 29mm Width 高負荷容量、動荷重Cr 71,500 N、静荷重Cor 44,500 N、クリアランス 1～15マイクロメートル、精密機械用
✔️ 55x120x29 mm bore, ceramic hybrid ball bearing, single unit
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