SKF Bearing 6311 C3 Deep Groove Ball Bearing 55mm Bore Cylindrical Bore Clearance C3 High Dynamic Load Rating 74.1 kN Static Load 45 kN Bearing Steel For Industrial Machinery And Equipment

SKF 6311/C3 Deep Groove Ball Bearing 55mm Bore (Single)
✔️ 55 mm bore, 120 mm OD, 29 mm width, Single pack, C3 clearance

This SKF bearing is a single-row deep groove ball bearing designed for radial loading and general-purpose rotating equipment. Typical uses include motors, conveyors, pumps, and machine tools where smooth operation and easy replacement matter.

✅ Bore diameter: 55 mm
✅ Outer diameter: 120 mm (4.724 in)
✅ Width: 29 mm (1.14 in)
✅ Basic dynamic load rating: 74.1 kN
✅ Basic static load rating: 45 kN
✅ Clearance: C3
✅ Cage material: Sheet metal
✅ Lubrication: None
✅ Sealing: Without
✅ Rows: 1
✅ Reference speed: 12000 r/min
✅ Limiting speed: 8000 r/min
✅ SKF Performance Class: SKF Explorer
✅ Tolerance Class: Normal
✅ Pack size: Single bearing

💡 What is a deep groove ball bearing used for?

Deep groove ball bearings are handy for handling radial loads in a wide range of equipment. - Radial load support in motors, pumps, conveyors - Easy replacement and maintenance in machinery - High-speed operation with low friction - Quiet, reliable performance in compact assemblies