SKF Bearing 6311 NR Deep Groove Ball Bearing With Snap Ring Fit 55 Mm Bore Open Cage Normal Clearance Bearing Steel For High Load Machinery And Automotive Equipment

SKF 6311 NR Sealed Ball Bearing with Snap Ring - Single Unit
✔️ Bore 55 mm (2.165 in), OD 120 mm (4.724 in), CN clearance

This SKF 6311 NR is a standard sealed ball bearing with a cylindrical bore and snap ring that locates the outer ring. It’s a common choice in conveyors, motors, gearboxes, and other industrial equipment needing reliable radial support and easy mounting.

✅ Basic dynamic load rating: 74.1 kN
✅ Basic static load rating: 45 kN
✅ Bore: 55 mm (2.165 in); Outer diameter: 120 mm (4.724 in); Width: 29.0 mm (1.142 in)
✅ Limiting speed: 8000 r/min; Reference speed: 12000 r/min

💡 What is a sealed ball bearing used for in industrial equipment and how does it work? This handy bearing keeps rotating parts aligned and reduces friction in many machines. - It supports radial loads on rotating shafts - It minimizes friction for smoother operation - It helps seal lubrication and keep out dust and moisture