Radial Deep Groove Ball Bearing Single Row 55 mm Bore 120 mm Outer Diameter 29 mm Width With 0 To Minus 20 Micrometers Bore Tolerance And 0 To Minus 18 Micrometers Outer Diameter Tolerance Dynamic Load Rating 71,500 N Static Load Rating 44,500 N

6311 Radial Deep Groove Ball Bearing for Machinery (Single)
✔️ Bore 55mm, outer dia 120mm, width 29mm; clearance 1-15µm

The 6311 bearing is a single-row deep groove ball bearing designed for general radial loads. It’s a popular choice for motors, conveyors, gearboxes, and other equipment where smooth rotation and long life are needed with either grease or oil lubrication.

✅ Bore 55 mm
✅ Outer diameter mm
✅ Width 29 mm
✅ Dynamic load rating Cr 71,500 N
✅ Static load rating Cor 44,500 N
✅ Max speed: grease 5,800 RPM; oil 6,800 RPM